Papers - HASEGAWA, Hiroshi
-
In-Service Laser Anomaly Detection via DSP-Enabled Optical Performance Monitoring Reviewed
Taisei Sekizuka, Koki Mano, Takuma Kuno, Hiroshi Hasegawa, Yojiro Mori
Optical Fiber Communication Conference and Exposition page： Th1I.1 2026.3
-
Low-Loss and Infinitely Scalable Flat Modular OXC for Metro-Scale Optical Networks Reviewed
Atsuki Wada, Takuma Kuno, Yojiro Mori, Hiroshi Hasegawa
Optical Fiber Communication Conference and Exposition page： W3A.6 2026.3
-
Survivable Hybrid FXC-WXC Architecture for Cost-Effective Core/Regional Optical Networks Reviewed
Shunya Shimoi, Hayato Yuasa, Taisei Sekizuka, Takuma Kuno, Yojiro Mori, Wakako Maeda, Shigeyuki Yanagimachi, Hiroshi Hasegawa
Optical Fiber Communication Conference and Exposition page： W3A.5 2026.3
-
A 4,096×4,096 Strictly Non-Blocking Optical Circuit Switch Delivering 819.2 Tb/s via Space-and-Wavelength Routing Reviewed
Koki Mano, Taisei Sekizuka, Takuma Kuno, Hiroshi Hasegawa, Yojiro Mori
Optical Fiber Communication Conference and Exposition page： M3F.3 2026.3
-
Logical Topology Adaptation in DCI/DCX-Embedded Multi-Granularity Routing Layered Optical Networks Reviewed International coauthorship
Hayato Yuasa, Takuma Kuno, Yojiro Mori, Shih-Chun Lin, Motoharu Matsuura, Suresh Subramaniam, Wakako Maeda, Shigeyuki Yanagimachi, Hiroshi Hasegawa
Optical Fiber Communication Conference and Exposition page： M1A.1 2026.3
-
FXC-WXC混在型ネットワークにおける動的制御及び波長変換戦略
細川 遼太、下井 舜也、湯浅 颯士、久野 拓真、森 洋二郎、前田 和佳子、柳町 成行、長谷川 浩
2026年電子情報通信学会総合大会 page： B-12-16 2026.3
-
Survivable Hybrid FXC-WXC Network Architecture with Virtualized Wavelength Selective Functions
Shunya Shimoi, Hayato Yuasa, Taisei Sekizuka, Takuma Kuno, Yojiro Mori, Wakako Maeda, Shigeyuki Yanagimachi, Hiroshi Hasegawa
IEICE Technical Report Vol. 125 ( 372 ) page： 87 - 91 2026.3
-
In-Service Laser Anomaly Detection based on Digital Signal Processing
Taisei Sekizuka, Koki Mano, Takuma Kuno, Hiroshi Hasegawa, Yojiro Mori
IEICE Technical Report Vol. 125 ( 372 ) page： 41 - 46 2026.3
-
Tachibana, T; Hirota, Y; Tsuritani, T; Hasegawa, H
IEICE TRANSACTIONS ON COMMUNICATIONS Vol. E109B ( 2 ) page： 138 - 146 2026.2
-
Multi-granularity Routing Layered Optical Networks with Supplemental Bundled Path Routing
Kouki Kidani, Hayato Yuasa, Takuma Kuno, Yojiro Mori, Hiroshi Hasegawa
IEICE Technical Report Vol. 125 ( 338 ) page： 75 - 80 2026.1
-
MAN Model Design Algorithm Using Regional Railways Information and Person Trip Data
Shotaro Kitano, Koga Nakamura, Yusuke Hirota, Takehiro Tsuritani, Hiroshi Hasegawa, Takuji Tachibana
IEICE Technical Report Vol. 125 ( 236 ) page： 18 - 23 2025.11
-
Layered Multiband Network Architecture with Spatially Parallel Bypass for Selective and Cost-Efficient SDM Deployment Reviewed International coauthorship
Hayato Yuasa, Takuma Kuno, Yojiro Mori, Shih-Chun Lin, Motoharu Matsuura, Suresh Subramaniam, Wakako Maeda, Shigeyuki Yanagimachi, Hiroshi Hasegawa
ECOC 2025 2025.9
-
A Hybrid FXC-WXC Network Architecture with Low-Cost Pluggable Transceivers for Metro-Scale Optical Networks Reviewed
Shunya Shimoi, Hayato Yuasa, Taisei Sekizuka, Takuma Kuno, Yojiro Mori(2), (1), Wakako Maeda(3), Shigeyuki Yanagimachi, Hiroshi Hasegawa
ECOC 2025 2025.9
-
空間・波長混成型光スイッチ構成におけるIM/DD方式の適用性評価
眞野 幸希、關塚 太成、久野 拓真、森 洋二郎、長谷川 浩
電子情報通信学会ソサイエティ大会予稿集 ( B-12-11 ) 2025.9
-
Zou, RJ; Lin, SC; Matsuura, M; Hasegawa, H; Figueiredo, G; Subramaniam, S
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 17 ( 9 ) page： D18 - D29 2025.9
-
Toward scalable passive optically powered fronthaul networks
Erbayat, E; Figueiredo, GB; Petale, S; Lin, SC; Matsuura, M; Hasegawa, H; Subramaniam, S
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 17 ( 9 ) page： D125 - D136 2025.9
-
Multi-Granularity-Routing Layered Optical Networks That Enable Flexible Optical Bypass Invited Reviewed
Hiroshi Hasegawa
2025 Optica Advanced Photonics Congress page： NeW4B.1 2025.7
-
Spectrum Narrowing Mitigation via Optoelectrical Hybrid Partial-Response Spectrum Shaping Reviewed
Taisei Sekizuka, Reiji Higuchi, Kazato Satake, Takuma Kuno, Yojiro Mori, Hiroshi Hasegawa
2025 30th OptoElectronics and Communications Conference (OECC) and 2025 International Conference on Photonics in Switching and Computing (PSC) 2025.7
-
Mixed Path-Granularity and Grouped-Path Routing Networks Reviewed International coauthorship
Yudai Hirai, Takuma Kuno, Yojiro Mori, 1, Shih-Chun Lin, Motoharu Matsuura4, Suresh Subramaniam, Hiroshi Hasegawa
2025 30th OptoElectronics and Communications Conference (OECC) and 2025 International Conference on Photonics in Switching and Computing (PSC) 2025.7
-
GNNを用いた最大フロー学習と光ネットワーク制御への応用
飯田 裕介, 下井 舜也, 湯浅 颯士, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 124 ( 395 ) page： 4 - 9 2025.3
-
多粒度ルーティングレイヤ化光ネットワークにおける各種粗粒度スイッチ方式の特性評価 International coauthorship
湯浅 颯士, 森 洋二郎, 長谷川 浩,
電子情報通信学会技術研究報告 Vol. 124 ( 395 ) page： 49 - 54 2025.3
-
Deep-Depth Probability-Maintained Notch Enabling Nonlinear Distortion Measurement for Various Modulation Formats Reviewed International coauthorship Open Access
Journal of Lightwave Technology 2025.2
-
Three-Stage Optical Circuit Switch Architectures for Intra-Datacenter Networking Reviewed
Mitsuya, T; Higuchi, R; Kuno, T; Ochiai, T; Yuasa, H; Mori, Y; Hasegawa, H
JOURNAL OF LIGHTWAVE TECHNOLOGY Vol. 43 ( 2 ) page： 400 - 407 2025.1
-
符号化局発光を有するコヒーレント受信器を用いたレーザ特性解析
加川 功己, 久野 拓真, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 124 ( 346 ) page： 4 - 9 2025.1
-
Analytical and Numerical Hybrid Capacity Estimation Method for Multi-band Elastic Optical Networks
Shimoi, S; Yuasa, H; Kuno, T; Mori, Y; Lin, SC; Matsuura, M; Subramaniam, S; Hasegawa, H
NEXT-GENERATION OPTICAL COMMUNICATION: COMPONENTS, SUB-SYSTEMS, AND SYSTEMS XIV Vol. 13374 2025
-
Ahmed, F; Lee, M; Subramaniam, S; Matsuura, M; Hasegawa, H; Lin, SC
2025 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE, WCNC 2025
-
Nakamura, K; Kitano, S; Hirota, Y; Tsuritani, T; Hasegawa, H; Tachibana, T
IEEE ACCESS Vol. 13 page： 82503 - 82513 2025
-
Infinitely Scalable Modular OXC Node Architecture with Sparse and Regular Intra-Node Interconnection
Wada, A; Kuno, T; Mori, Y; Maeda, W; Yanagimachi, S; Hasegawa, H
NEXT-GENERATION OPTICAL COMMUNICATION: COMPONENTS, SUB-SYSTEMS, AND SYSTEMS XIV Vol. 13374 2025
-
Ahmed, F; Lee, M; Subramaniam, S; Matsuura, M; Hasegawa, H; Lin, SC
2025 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE, WCNC 2025
-
EEPN Mitigation by Local Oscillator Phase Isolation with Dual Pilot Carriers
Sekizuka, T; Kuno, T; Higuchi, R; Shiraki, R; Moric, Y; Hasegawa, H
NEXT-GENERATION OPTICAL COMMUNICATION: COMPONENTS, SUB-SYSTEMS, AND SYSTEMS XIV Vol. 13374 2025
-
Optically Powered PON Using Pure-Silica Inner-Cladding Double-Clad Fibers
Ohnishi, N; Yaguchi, Y; Miyakawa, Y; Lin, SC; Subramaniam, S; Hasegawa, H; Matsuura, M
2025 30TH OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE, OECC AND 2025 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING AND COMPUTING, PSC 2025
-
Shahriar, MS; Ahmed, F; Chen, G; Pham, KD; Subramanian, S; Matsuura, M; Hasegawa, H; Lin, SC
NOMS 2025-2025 IEEE NETWORK OPERATIONS AND MANAGEMENT SYMPOSIUM 2025
-
Lin, SC; Lin, CH; Subramaniam, S; Matsuura, M; Hasegawa, H
NOMS 2025-2025 IEEE NETWORK OPERATIONS AND MANAGEMENT SYMPOSIUM 2025
-
Latency-Aware Fronthaul Network Design Using Power-over-Fiber
Erbayat, E; Dos Santos, LGS; Figueiredo, GB; Lin, SC; Matsuura, M; Hasegawa, H; Subramaniam, S
2025 25TH ANNIVERSARY INTERNATIONAL CONFERENCE ON TRANSPARENT OPTICAL NETWORKS, ICTON 2025
-
Federated Deep Reinforcement Learning-Driven O-RAN for Automatic Multirobot Reconfiguration
Ahmed, F; Lee, M; Lien, SY; Subramaniam, S; Matsuura, M; Hasegawa, H; Lin, SC
NOMS 2025-2025 IEEE NETWORK OPERATIONS AND MANAGEMENT SYMPOSIUM 2025
-
Fast and Accurate Nonlinear Distortion Measurement Using Probability-Maintained Multi-Notch Sequence
Li, JN; Ye, T; Su, XF; Fan, YY; Zhang, K; Shi, SY; Yang, QL; Nakashima, H; Hoshida, T; Tao, ZM; Mori, Y; Hasegawa, H
2025 30TH OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE, OECC AND 2025 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING AND COMPUTING, PSC 2025
-
Yuasa, H; Kuno, T; Sekizuka, T; Mori, Y; Lin, SC; Matsuura, M; Subramaniam, S; Maeda, W; Yanagimachi, S; Hasegawa, H
2025 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION, OFC 2025
-
Shimoi, S; Yuasa, H; Sekizuka, T; Kuno, T; Mori, Y; Maeda, W; Yanagimachi, S; Hasegawa, H
2025 EUROPEAN CONFERENCE ON OPTICAL COMMUNICATIONS, ECOC 2025
-
Pointurier, Y; Hasegawa, H; Benzaoui, N; Simsarian, J
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 16 ( 12 ) page： SPTN1 - SPTN2 2024.12
-
Optical networking that exploits massive wavelength/spectrum and spatial parallelisms Invited Reviewed
Hasegawa, H
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 16 ( 11 ) page： H27 - H39 2024.11
-
デュアルパイロットキャリアを用いた局発レーザ位相の分離手法およびその応用 International coauthorship
矢口 勇也, 宮川 由宇, 杉浦 宗弥, Shih-Chun Lin, Suresh Subramaniam, 長谷川 浩, Denis Masson, Simon Fafard, 松浦 基晴
電子情報通信学会技術研究報告 Vol. 124 ( 262 ) page： 74 - 78 2024.11
-
波長粒度・波長群粒度ルーティングノード混在型光ネットワーク
平井 雄大, 久野 拓真, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 124 ( 346 ) page： 57 - 63 2024.11
-
スペクトル狭窄を緩和する系列推定法
樋口 怜治, 關塚 太成, 佐竹 風人, 久野 拓真, 森 洋二郎, 長谷川 浩
電子情報通信学会ソサイエティ大会予稿集 Vol. 124 ( 262 ) page： 11 - 16 2024.11
-
Digital Twin Enabled Data-Driven Approach for Traffic Efficiency and Software-Defined Vehicular Network Optimization Reviewed International coauthorship
M. S. Shahriar, S. Subramaniam, M. Matsuura, H. Hasegawa and S. -C. Lin
2024 IEEE 100th Vehicular Technology Conference (VTC2024-Fall) 2024.10
-
光給電用ダブルクラッド光ファイバの光分波回路に関する研究 International coauthorship
宮川由宇, 矢口勇也, Shih-Chun Lin, Suresh Subramaniam, 長谷川浩, 松浦基晴
電子情報通信学会ソサイエティ大会予稿集 2024.9
-
PRODIGY plus : a robust progressive upgrade approach for elastic optical networks Reviewed International coauthorship
Petale, S; Knapinska, A; Erbayat, E; Lechowicz, P; Walkowiak, K; Lin, SC; Matsuura, M; Hasegawa, H; Subramaniam, S
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 16 ( 9 ) page： E48 - E60 2024.9
-
多バンド伝送・多階層化を導入した次世代光ネットワークアーキテクチャの研究開発
湯浅颯士，森洋二郎，長谷川浩
令和６年度 電気・電子・情報関係学会東海支部連合大会 2024.8
-
多粒度ルーティングレイヤ化ネットワークにおけるルーティング粒度および性能評価
湯浅颯士・森 洋二郎・前田和佳子・柳町成行・長谷川 浩
電子情報通信学会技術研究報告 Vol. 124 ( 163 ) page： 43 - 48 2024.8
-
予備バス資源共有を導入した高信頼フレキシブル波長群ルーティングネットワーク
岩井貴寛, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 124 ( 163 ) page： 1 - 7 2024.8
-
デュアルパイロットキャリアを用いた局発レーザ位相の分離手法およびその応用
關塚 太成, 久野 拓真, 樋口 怜治, 白木 隆太, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 124 ( 163 ) page： 74 - 78 2024.8
-
マルチバンド伝送の部分的導入によるリングネットワーク容量拡大法およびその性能評価
下井 舜也, 湯浅 颯士, 森 洋二郎, 前田 和佳子, 柳町 成行, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 124 ( 163 ) page： 63 - 67 2024.8
-
Flexible waveband routing node architecture for spatial-division and multi-band optical networks [Invited] Invited Reviewed
Hasegawa, H
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 16 ( 7 ) page： C20 - C30 2024.7
-
Demonstration of Low-Complexity Digital Coherent Receivers for Intra-Datacenter Networks Reviewed
T. Kuno, T. Mitsuya, Y. Mori and H. Hasegawa
2024 IEEE Photonics Society Summer Topicals Meeting Series (SUM) 2024.7
-
Fronthaul Network Architecture and Design For Optically Powered Passive Optical Networks Reviewed International coauthorship
E. Erbayat, S. Petale, S. -C. Lin, M. Matsuura, H. Hasegawa and S. Subramaniam
ICC 2024 - IEEE International Conference on Communications page： 4961 - 4966 2024.6
-
送信器内信号劣化耐力を備えたディジタルコヒーレント受信器の実証実験
關塚 太成, 久野 拓真, 樋口 怜治, 落合 匠郎, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 123 ( 442 ) page： 21 - 26 2024.6
-
Multi-layered Optical Network Architecture with Coarse-Glanularity -Routing Optical Bypass Invited Reviewed International coauthorship
Hayato Yuasa, Kenji Cruzado, Yojiro Mori, Shih-Chun Lin, Motoharu Matsuura, Suresh Subramaniam, Kohei Hosokawa, Shigeyuki Yanagimachi, Hiroshi Hasegawa
ONDM2024 2024.5
-
DRAMA-DC: Disaster Recovery Algorithm with Mitigation Awareness in Data Center EONs Reviewed International coauthorship
R. Zou, S. -C. Lin, M. Matsuura, H. Hasegawa and S. Subramaniam
ONDM2024 2024.5
-
PV cell-based divider for power-over-fiber using double-clad fibers Reviewed International coauthorship
Y. Miyakawa, Y. Yaguchi, S.-C. Lin, S. Subramaniam, H. Hasegawa, M. Matsuura
OWPT2024 2024.4
-
Cost-Effective Capacity Enhancement of Survivable Optical Networks by Supplemental Band Expansion and Backup Resource Sharing Reviewed
Daisuke Saito, Yojiro Mori, Kohei Hosokawa, Shigeyuki Yanagimachi, Hiroshi Hasegawa
OFC2024 page： W1C.2 2024.3
-
Capacity-Bound Evaluation and Routing and Spectrum Assignment for Elastic Optical Path Networks with Distance-Adaptive Modulation Reviewed International coauthorship
Kenji Cruzado, Yojiro Mori, Shih-Chun Lin, Motoharu Matsuura, Suresh Subramaniam, Hiroshi Hasegawa
OFC2024 page： W3C.6 2024.3
-
Intra-datacenter Optical Circuit Switch Architecture with Multi-band Transmission Technologies Reviewed
Takuma Kuno, Reiji Higuchi, Kazato Satake, Yuasa Hayato, Yojiro Mori, Hiroshi Hasegawa
OFC2024 page： M2G.3 2024.3
-
トラフィック分布解析に基づく領域分割とマルチバンド仮想バイパスリンクの順次導入による逐次的ネットワーク容量拡張法
湯浅颯士・クルザド ケンジ・森 洋二郎・細川晃平・柳町成行・長谷川 浩
電子情報通信学会 フォトニックネットワーク研究会 page： PN2023-86 2024.3
-
空間分割多重及びマルチバンド光ネットワーク実現に向けた空間・波長ハイブリッド光ノード構成 Invited International coauthorship
久野 拓真，落合 匠郎，樋口 怜治，佐竹 風人，森 洋二郎，Shih-Chun Lin，松浦 基晴，Suresh Subramaniam，長谷川 浩
電子情報通信学会 フォトニックネットワーク研究会 page： PN2023-73 2024.3
-
カットセット解析に基づくエラスティック光ネットワークの容量上界推定 Invited
クルザド ケンジ, 森洋二郎, 長谷川浩
電子情報通信学会 フォトニックネットワーク研究会 page： PN2023-74 2024.3
-
異粒度ルーティングを使用したレイヤ化ネットワーク
湯浅 颯士、クルザド ケンジ、森 洋二郎、細川 晃平、柳町 成行、長谷川 浩
2024年電子情報通信学会総合大会 page： B-12-08 2024.3
-
マルチドメインネットワークにおける境界での波長変換戦略及び性能評価
下井 舜也、湯浅 颯士、クルザド ケンジ、森 洋二郎、細川 晃平、柳町 成行、長谷川 浩
2024年電子情報通信学会総合大会 page： B-12-10 2024.3
-
Kuno, T; Mori, Y; Hasegawa, H
JOURNAL OF LIGHTWAVE TECHNOLOGY Vol. 42 ( 5 ) page： 1409 - 1422 2024.3
-
Demonstration of spectrum narrowing mitigation based on recurrent neural networks for ultra-dense WDM networks Reviewed
Ryuta Shiraki, Yojiro Mori, and Hiroshi Hasegawa
Optics Letters Vol. 49 ( 4 ) page： 947 - 950 2024.2
-
ノード内接続グラフの逐次的縮退による高信頼化フレキシブル波長群ルーティングネットワークの設計法 Invited
岩井 貴寛, 和田 篤生, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 123 ( 349,PN2023-67 ) page： 102 - 106 2024.1
-
Bandwidth Abundant Optical Networking Enabled by Spatially-Jointed and Multi-Band Flexible Waveband Routing Invited Reviewed Open Access
Hiroshi Hasegawa
IEICE Transactions on Communications Vol. E107-B ( 1 ) page： 16 - 26 2024.1
-
Cost-effective network capacity upgrade by heterogeneous wavelength division multiplexing density with bandwidth-variable virtual direct links Reviewed
Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa
IEICE Transactions on Communications Vol. E107-B ( 1 ) page： 39 - 48 2024.1
-
Demodulation Framework Based on Machine Learning for Unrepeated Transmission Systems
Shiraki, R; Mori, Y; Hasegawa, H
IEICE TRANSACTIONS ON COMMUNICATIONS Vol. E107B ( 1 ) page： 39 - 48 2024.1
-
DRAMA-DC: Disaster Recovery Algorithm with Mitigation Awareness in Data Center EONs
Zou, RJ; Lin, SC; Matsuura, M; Hasegawa, H; Subramaniam, S
PROCEEDINGS OF THE 2024 INTERNATIONAL CONFERENCE ON OPTICAL NETWORK DESIGN AND MODELING, ONDM 2024 2024
-
Robustness of Digital Subcarrier Multiplexing Systems to Laser Phase Noise and Chromatic Dispersion
Satake, K; Shiraki, R; Mori, Y; Hasegawa, H
NEXT-GENERATION OPTICAL COMMUNICATION:COMPONENTS, SUB-SYSTEMS, AND SYSTEMS XIII Vol. 12894 2024
-
Fronthaul Network Architecture and Design For Optically Powered Passive Optical Networks
Erbayat, E; Petale, S; Lin, SC; Matsuura, M; Hasegawa, H; Subramaniam, S
ICC 2024 - IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS page： 4961 - 4966 2024
-
Demonstration of Low-complexity Digital Coherent Receivers for Intra-datacenter Networks
Kuno, T; Mitsuya, T; Mori, Y; Hasegawa, H
2024 IEEE PHOTONICS SOCIETY SUMMER TOPICALS MEETING SERIES, SUM 2024 2024
-
Li, JN; Ye, T; Su, XF; Zhang, K; Nakashima, H; Hoshida, T; Tao, ZN; Mori, Y; Hasegawa, H
2024 IEEE OPTO-ELECTRONICS AND COMMUNICATIONS CONFERENCE, OECC 2024
-
11,520x11,520 Optical Circuit Switch for Intra- and Inter-datacenter Converged Networks Open Access
Kuno, T; Mori, Y; Hasegawa, H
2024 IEEE PHOTONICS CONFERENCE, IPC 2024 2024
-
Laser-frequency Transition Measurement Using Coherent Receivers with Coded Local Oscillators Open Access
Kagawa, K; Kuno, T; Higuchi, R; Mori, Y; Hasegawa, H
2024 IEEE PHOTONICS CONFERENCE, IPC 2024 2024
-
Robustness of Adaptive Symbol Decision against Transmitter Impairments on GS-QAM Signals Open Access
Sekizuka, T; Kuno, T; Higuchi, R; Mori, Y; Hasegawa, H
2024 IEEE PHOTONICS CONFERENCE, IPC 2024 2024
-
ナイキストWDMシステムにおける波長多重分離法 Invited
久野 拓真, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 123 ( 267,PN2023-44 ) page： 43 - 49 2023.11
-
サブシステムモジュラ構成ノードを導入したネットワークの光パス反復収容に基づく設計法 Invited
和田 篤生, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 123 ( 267,PN2023-45 ) page： 50 - 54 2023.11
-
Neural Networkに基づくディジタル信号処理 ～ 大容量光ファイバ通信システムの実現に向けて ～ Invited
落合 匠郎, 樋口 怜治, 久野 拓真, 白木 隆太, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. rising2023 page： 50 - 54 2023.10
-
Experimental Demonstration of 128×128 Optical Cross-connects with 2.45 Pbps Throughput Reviewed International coauthorship
Takuro Ochiai, Takuma Kuno, Yojiro Mori, Ryuji Munakata, Yojiro Mori, Shi-Chun Lin, Motoharu Matsuura, Suresh Subramaniam, and Hiroshi Hasegawa
European Conference on Optical Communication page： paper Th.B.6.4 2023.10
-
Flexible-Granularity Switching Node Architecture for Spatial-Division and Multi-Band Optical Networks Invited Reviewed
Hiroshi Hasegawa
European Conference on Optical Communication 2023.10
-
Introduction to the GLOBECOM 2022 Optical Networks and Systems Symposium Special Issue International coauthorship
Hasegawa, H; Jue, J; Sivalingam, K; Subramaniam, S
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 15 ( 10 ) page： ONS1 - ONS2 2023.10
-
Transceiver-impairment Mitigation Enabled by Adaptive Symbol Decision with Neural Networks Reviewed
Takuro Ochiai, Reiji Higuchi, Takuma Kuno, Ryuta Shiraki, Yojiro Mori, and Hiroshi Hasegawa
International Conference on Photonics in Switching and Computing 2023 (PSC2023) page： paper Fr2B.2 2023.9
-
Neural Network を用いた量子化雑音と IQ 不均衡の同時補償技術
落合 匠郎，樋口 怜治，久野 拓真，白木 隆太，森 洋二郎，長谷川 浩
電子情報通信学会 ソサイエティ大会 page： B-12-11 2023.9
-
4.71-Pbps-Throughput Multiband OXC Based on Space- and Wavelength-Granular Hybrid Switching Reviewed International coauthorship
Kuno, T; Ochiai, T; Higuchi, R; Satake, K; Cruzado, K; Munakata, R; Mori, Y; Lin, SC; Matsuura, M; Subramaniam, S; Hasegawa, H
2023 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING AND COMPUTING, PSC 2023.9
-
Effective Capacity Estimation Based on Cut-Set Load Analysis in Optical Path Networks Reviewed International coauthorship
Cruzado, K; Mori, Y; Lin, SC; Matsuura, M; Subramaniam, S; Hasegawa, H
2023 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING AND COMPUTING, PSC 2023.9
-
Transceiver-impairment Mitigation Enabled by Adaptive Symbol Decision with Neural Networks
Ochiai, T; Higuchi, R; Kuno, T; Shiraki, R; Mori, Y; Hasegawa, H
2023 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING AND COMPUTING, PSC 2023.9
-
Cost-effective network capacity upgrade by heterogeneous wavelength division multiplexing density with bandwidth-variable virtual direct links Invited Reviewed
Hayashi Kazuki, Mori Yojiro, Hasegawa Hiroshi
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 15 ( 9 ) page： D23 - D32 2023.9
-
リンク群単位での負荷分散を考慮したネットワーク容量上限推定および経路波長割当法 Invited
クルザド ケンジ, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 123 ( 168,PN2023-23 ) page： 35 - 39 2023.8
-
ディジタルサブキャリア伝送方式におけるレーザ位相雑音と波長分散の相互作用評価 Invited
佐竹 風人, 森 洋二郎, 白木 隆太, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 123 ( 168,PN2023-33 ) page： 88 - 91 2023.8
-
2.45Pbpsスループットを実現する波長・空間ハイブリッド光クロスコネクトの提案と実証 Invited International coauthorship
落合 匠郎, 久野 拓真, 棟方 隆司, 森 洋二郎, Shih-Chun Lin, 松浦 基晴, Suresh Subramaniam, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 123 ( 168,PN2023-30 ) page： 73 - 77 2023.8
-
マルチバンド仮想バイパスリンクを用いた高信頼ネットワーク大容量化手法 Invited
齊藤 大介, 森 洋二郎, 細川 晃平, 柳町 成行, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 123 ( 168,PN2023-26 ) page： 55 - 58 2023.8
-
短距離コヒーレント光通信に適する変復調方式
樋口 怜治，森 洋二郎，白木 隆太，長谷川 浩
電気・電子・情報関係学会東海支部連合大会 2023.8
-
Architecture and performance evaluation of fiber-granularity routing networks with supplemental grooming by wavelength conversion Reviewed
Matsuo Takeshi, Shiraki Ryuta, Mori Yojiro, Hasegawa Hiroshi
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 15 ( 8 ) page： 541 - 552 2023.8
-
Beyond 5G研究開発を促進する国内MANモデルへの期待とモデル設計法 Invited
橘 拓至, 廣田 悠介, 鈴木 恵治郎, 釣谷 剛宏, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 123 ( 137,CS2023-51 ) page： 126 - 130 2023.7
-
Modulation and Demodulation Method Robust against Laser Phase Noise Reviewed
Reiji Higuchi, Takuma Kuno, Ryuta Shiraki, Yojiro Mori, and Hiroshi Hasegawa
Conference on Lasers and Electro-Optics/Europe – European Quantum Electronics page： paper CI-6.4 2023.6
-
回帰型ニューラルネットワークを用いたスペクトル狭窄効果抑制法 Invited
白木 隆太, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 123 ( 70,PN2023-15 ) page： 65 - 71 2023.6
-
Policy-Based Grooming, Route, Spectrum, and Operational Mode Planning in Dynamic Multilayer Networks
Tanaka Takafumi, Hasegawa Hiroshi
IEICE TRANSACTIONS ON COMMUNICATIONS Vol. E106B ( 6 ) page： 489 - 499 2023.6
-
Metropolitan Area Network Model Design Using Regional Railways Information for Beyond 5G Research Open Access
Tachibana Takuji, Hirota Yusuke, Suzuki Keijiro, Tsuritani Takehiro, Hasegawa Hiroshi
IEICE TRANSACTIONS ON COMMUNICATIONS Vol. E106-B ( 4 ) page： 296 - 306 2023.4
-
スペクトラム狭窄耐力を向上する等化器生成法
石川誉聡・白木隆太・森 洋二郎・長谷川 浩
電子情報通信学会2023年総合大会予稿集 page： B-12-14 2023.3
-
ニューラルネットワークシンボル判定器の特性変動耐性評価
加川功己・白木隆太・森 洋二郎・長谷川 浩
電子情報通信学会2023年総合大会予稿集 page： B-10-18 2023.3
-
短距離コヒーレント光通信システムに適する低損失変調方式
樋口怜治・白木隆太・森 洋二郎・長谷川 浩
電子情報通信学会2023年総合大会予稿集 page： B-10-18 2023.3
-
高次多値変調信号を用いたレーザ線幅の常時監視技術
土田直樹・久野拓真・白木隆太・森 洋二郎・長谷川 浩
電子情報通信学会2023年総合大会予稿集 page： B-12-9 2023.3
-
無瞬断光パス再配置を導入したファイバ粒度ルーティング光ネットワークの動的制御
内田航平・白木隆太・森 洋二郎・長谷川 浩
電子情報通信学会2023年総合大会予稿集 page： B-12-7 2023.3
-
Cost-Effective Network Capacity Enhancement With Multi-Band Virtual Bypass Links Reviewed
Daisuke Saito, Yojiro Mori , Kohei Hosokawa, Shigeyuki Yanagimachi, Hiroshi Hasegawa
Optical Fiber Communication Conference (OFC) 2023 2023.3
-
Architecture and Performance Evaluation of Bundled-Path-Routing Multi-Band Optical Networks Reviewed International coauthorship
Ryuji Munakata, Takuma Kuno, Yojiro Mori,Shih-Chun Lin,Motoharu Matsuura, Suresh Subramaniam, Hiroshi Hasegawa
Optical Fiber Communication Conference (OFC) 2023 2023.3
-
ナイキスト波長分割多重技術を活用した超大容量光スイッチ Invited
久野 拓真, 三ツ矢 拓誠, 森 洋二郎, 長谷川 浩, 佐藤 健一
電子情報通信学会技術研究報告 Vol. 122 ( 398, PN2022-44 ) page： 13 - 18 2023.3
-
空間分割多重光ネットワークにおける動的光パス検索に基づくルーティングとコア・スペクトル割当法
黄 宇軒, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 122 ( 398, PN2022-68 ) page： 142 - 146 2023.3
-
波長変換によるグルーミングを導入したファイバ粒度ルーティングネットワーク Invited
松尾 武, 白木 隆太, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 122 ( 398, PN2022-51 ) page： 47 - 51 2023.3
-
短距離通信用ディジタルコヒーレント受信器を用いたデータセンタ光スイッチネットワーク Invited
三ツ矢 拓誠, 久野 拓真, 森 洋二郎, 長谷川 浩, 佐藤 健一
電子情報通信学会技術研究報告 Vol. 122 ( 398, PN2022-50 ) page： 43 - 46 2023.3
-
グループ化光パスルーティングを用いたマルチバンド光ネットワーク Invited
棟方 隆司, 久野 拓真, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 122 ( 398, PN2022-49 ) page： 38 - 42 2023.3
-
選択的なリンク周波数帯域拡大によるネットワーク容量拡張法
齊藤 大介, 森 洋二郎, 細川 晃平, 柳町 成行, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 122 ( 350 ) page： 30 - 34 2023.1
-
レーザ特性の常時監視技術
土田 直樹, 久野 拓真, 白木 隆太, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 122 ( 350 ) page： 39 - 42 2023.1
-
量子化雑音耐力を備えるディジタルコヒーレント受信器
落合 匠郎, 白木 隆太, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 122 ( 350 ) page： 35 - 38 2023.1
-
PRODIGY: A Progressive Upgrade Approach For Elastic Optical Networks
Petale, S; Lin, SC; Matsuura, M; Hasegawa, H; Subramaniam, S
IEEE CONFERENCE ON GLOBAL COMMUNICATIONS, GLOBECOM page： 2129 - 2134 2023
-
Efficient Network Capacity Expansion by Differentiated WDM-Density with Bandwidth-Variable Virtual Direct Links Reviewed
Kazuki Hayashi, Yojiro Mori, Hiroshi Hasegawa
2022 IEEE Future Networks World Forum (FNWF’22) page： 310 - 313 2022.11
-
短距離光ファイバ通信システムのための低演算量ディジタルコヒーレント受信器 的設計・制御法 Invited
久野 拓真, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 122 ( 198 ) page： 60 - 63 2022.10
-
Reinforcement-Learning-based Network Design and Control with Stepwise Reward Variation and Link-Adjacency Embedding Reviewed
Kenji Cruzado, Ryuta Shiraki, Yojiro Mori, Takafumi Tanaka, Katsuaki Higashimori, Fumikazu Inuzuka, Takuya Ohara, Hiroshi Hasegawa
2022 European Conference on Optical Communication (ECOC) page： 1 - 3 2022.9
-
Highly Reliable and Large-Scale Optical Circuit Switch for Intra-Datacentre Network Reviewed
Takumi Mitsuya, Takuro Ochiai, Takuma Kuno, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
European Conference on Optical Communication (ECOC) 2022 page： 1 - 3 2022.9
-
Spatially-Jointed Flexible Waveband Routing Optical Networks Adopting Shared Path Protection Reviewed International coauthorship
Ryuji Munakata; Yojiro Mori; Suresh Subramaniam; Masahiko Jinno; Hiroshi Hasegawa
2022 12th International Workshop on Resilient Networks Design and Modeling ( #1570810790 ) 2022.9
-
RNN-Based Demodulation Framework for Spectrum Narrowing in Ultra-Dense WDM Networks Reviewed International journal
R. Shiraki, Y. Mori and H. Hasegawa
IEEE Photonics Technology Letters Vol. 34 ( 18 ) page： 993 - 996 2022.9
-
DRAMA+: Disaster Management With Mitigation Awareness for Translucent Elastic Optical Networks Reviewed International coauthorship International journal Open Access
R. Zou, H. Hasegawa, M. Jinno and S. Subramaniam
IEEE Transactions on Network and Service Management Vol. 19 ( 3 ) page： 2587 - 2599 2022.9
-
ファイバ粒度ルーティングネットワークの設計法
松尾武，白木隆太，森洋二郎，長谷川浩
令和４年度 電気・電子・情報関係学会東海支部連合大会 ( L2-6 ) 2022.8
-
データセンタ向け高信頼波長ルーティングスイッチ
三ツ矢 拓誠, 落合 匠郎, 久野 拓真, 森 洋二郎, 長谷川 浩, 佐藤 健一
電子情報通信学会技術研究報告 Vol. 122 ( 169 ) page： 60 - 64 2022.8
-
スペクトラム狭窄の影響を緩和する予等化フィルタの生成法
石川 誉聡, 白木 隆太, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 122 ( 169 ) page： 1 - 4 2022.8
-
階段型報酬制御とリンク隣接性を用いた光ネットワーク知的設計・制御法
クルザド ケンジ, 白木 隆太, 森 洋二郎, 田中 貴章, 東森 一晃, 犬塚 史一, 大原 拓也, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 122 ( 169 ) page： 31 - 35 2022.8
-
Constellation-Shaped 64QAM Robust against Phase Noise in Intra-Datacenter Networks Reviewed
J. Sakano, R. Shiraki, Y. Mori and H. Hasegawa
2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC) 2022.7
-
Power-saving Aware SDM Photonic Node with the Throughput Scalable to over Peta bit Invited Reviewed
Fumikazu Inuzuka, Hiroshi Hasegawa, Kohki Shibahara, Hidenori Takahashi, Takahiro Tsuritani, Kazunori Seno, Naru Nemoto, Emmanuel Le Taillandier de Gabory, Shigeyuki Yanagimachi, Taiji Sakamoto, Kazuhide Nakajima, Masanori Takahashi, Ryuichi Sugizaki, Ryo Nagase, Ken-ichi Sato, Yutaka Miyamoto
2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC) 2022.7
-
Optical Performance Monitoring Using Adaptive FIR Filters for Constellation-Shaped Higher-Order QAM Signals Reviewed
N. Tsuchida, T. Kuno, J. Sakano, Y. Mori and H. Hasegawa
2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC) 2022.7
-
Design and evaluation of a reconfigurable optical add-drop multiplexer with flexible wave-band routing in SDM networks Reviewed International coauthorship International journal
Kuno Takuma, Mori Yojiro, Subramaniam Suresh, Jinno Masahiko, Hasegawa Hiroshi
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 14 ( 4 ) page： 248 - 256 2022.4
-
位相雑音耐力を向上する変復調方式最適化
坂野 純・森 洋二郎・長谷川 浩
電子情報通信学会2022年総合大会予稿集 page： B-12-15 2022.3
-
波長・空間スーパーチャネルを用いたデータセンタ内光スイッチ
三ツ矢拓誠・久野拓真・森 洋二郎・長谷川 浩・佐藤健一
電子情報通信学会2022年総合大会予稿集 page： B-12-4 2022.3
-
共有型パスプロテクションを導入した高信頼空間結合型 Flexible Waveband Routing ネットワーク
棟方隆司・森 洋二郎・長谷川 浩
電子情報通信学会2022年総合大会予稿集 page： B-12-13 2022.3
-
BI-7 空間分割多重技術の最新研究開発動向：（第一部）将来の空間多重/超並列光ノード・光ネットワーク技術 Invited
長谷川 浩
電子情報通信学会2022年総合大会予稿集 page： BI-7-1 2022.3
-
Measurement method of transmitter IQ imbalance in digital coherent communication systems Reviewed
Naoki Tsuchida, Takuma Kuno, Yojiro Mori, Hiroshi Hasegawa
Proc. SPIE 12027, Metro and Data Center Optical Networks and Short-Reach Links V 2022.3
-
可変ルーティング粒度および波長多重密度を導入した光ネットワークの設計法
林 和輝・森 洋二郎・長谷川 浩
信学技報 Vol. 121 ( 386 ) page： PN2021-83 2022.3
-
受信信号を用いたレーザ線幅測定を可能とする光性能監視技術
土田直樹・久野拓真・森 洋二郎・長谷川 浩
信学技報 Vol. 121 ( 386 ) page： PN2021-81 2022.3
-
デジタル信号処理の不完全性を考慮した光変復調方式の最適化
坂野 純・森 洋二郎・長谷川 浩
信学技報 Vol. 121 ( 386 ) page： PN2021-85 2022.3
-
多機能かつ高性能ディジタルコヒーレント受信器
久野拓真・森 洋二郎・長谷川 浩
信学技報 Vol. 121 ( 386 ) page： PN2021-60 2022.3
-
高信頼空間結合型Flexible Waveband Routingネットワーク Invited
棟方 隆司, 森 洋二郎, 長谷川 浩
電子情報通信学会技術研究報告 Vol. 121 ( 386 ) page： 65 - 70 2022.3
-
Demonstration of High-throughput Intra-datacenter Switches Using Interleaved AWGs for Nyquist WDM Reviewed
Takuma Kuno, Takumi Mitsuya, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
Optical Fiber Communication Conference page： Th3A.2 2022.3
-
Design and Dynamic Control of Fiber-Granular Routing Networks with Next-Generation Optical Paths Reviewed
Takeshi Matsuo, Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa
Optical Fiber Communication Conference 2022.3
-
ナイキスト波長分割多重技術による1ペタビット超級光スイッチ
久野 拓真, 三ツ矢 拓誠, 森 洋二郎, 長谷川 浩, 佐藤 健一
電子情報通信学会技術研究報告 Vol. 121 ( 350 ) page： 41 - 45 2022.1
-
Highly Reliable and Large-Scale Optical Circuit Switch for Intra-Datacentre Networks
Mitsuya Takumi, Ochiai Takuro, Kuno Takuma, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
2022 EUROPEAN CONFERENCE ON OPTICAL COMMUNICATION (ECOC) 2022
-
Fragmentation-Minimized Periodic Network-Bandwidth Expansion Employing Aligned Channel Slot Allocation in Flexible Grid Optical Networks Open Access
Hasegawa Hiroshi, Yasuda Takuma, Mori Yojiro, Sato Ken-ichi
IEICE TRANSACTIONS ON COMMUNICATIONS Vol. E104B ( 12 ) page： 1514 - 1523 2021.12
-
Design and control of highly spectrally efficient photonic networks enabled by fiber-granular routing on overlaid ring-shaped topologies
Shiraki Ryuta, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-Ichi, Monti Paolo
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 13 ( 11 ) page： 233 - 243 2021.11
-
Bandwidth-abundant optical networks for cost-effective accommodation of 10n times traffic in the future Invited
長谷川浩
2021.10
-
マルチコアファイバネットワーク実現に向けた光ノード構成
久野拓真・森 洋二郎・長谷川 浩
信学技報 Vol. 121 ( 165 ) page： PN2021-19 2021.8
-
空間結合型Flexible Waveband Routing及びパス冗長化に基づく高信頼化大容量光ネットワーク構成法
棟方 隆司・森 洋二郎・長谷川 浩
信学技報 Vol. 121 ( 165 ) page： 41 - 45 2021.8
-
Dynamic Routing and Spectrum Allocation Based on Actor-critic Learning for Multi-fiber Elastic Optical Networks Invited Reviewed
Y. Wang, Y. Mori, and H. Hasegawa
Photonics in Switching and Computing 2021 (PSC2021) page： W1B.3 2021.8
-
Enhancing the flexibility and functionality of SCNs: demonstration of evolution toward any-core-access, nondirectional, and contentionless spatial channel cross-connects [Invited] International coauthorship
Jinno Masahiko, Ishikawa Tsubasa, Kodama Takahiro, Hasegawa Hiroshi, Subramaniam Suresh
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 13 ( 8 ) page： D80 - D92 2021.8
-
Measurement of Transmitter IQ Skew in High-Speed Digital Coherent Communication System Reviewed
Naoki Tsuchida, Takuma Kuno, Yojiro Mori and Hiroshi Hasegawa
26th Optoelectronic and Communications Conference (OECC 2021) page： #3582879 2021.7
-
Performance Evaluation of Dynamic Fiber-Granular Routing Networks with Next-Generation Optical Paths Invited Reviewed
Takeshi Matsuo, Ryuta Shiraki, Yojiro Mori, and Hiroshi Hasegawa
26th Optoelectronic and Communications Conference (OECC 2021) page： #3582898 2021.7
-
Design and Performance Evaluation of Resilient Optical Path Networks That Adopt Spatially-Jointed Flexible Waveband Routing Reviewed International coauthorship
Munakata Ryuji, Mori Yojiro, Subramaniam Suresh, Jinno Masahiko, Hasegawa Hiroshi
2021 INTERNATIONAL CONFERENCE ON OPTICAL NETWORK DESIGN AND MODELLING (ONDM) 2021.7
-
Estimation for IQ skew of A Transmitter in Digital Coherent Communication Systems Reviewed
Tsuchida Naoki, Kuno Takuma, Mori Yojiro, Hasegawa Hiroshi
2021 CONFERENCE ON LASERS AND ELECTRO-OPTICS EUROPE & EUROPEAN QUANTUM ELECTRONICS CONFERENCE (CLEO/EUROPE-EQEC) 2021.7
-
DRAMA: Disaster Management Algorithm with Mitigation Awareness for Elastic Optical Networks Reviewed International coauthorship
R. Zou, H. Hasegawa and, S. Subramaniam
DRCN2021 page： Session3-1 2021.4
-
Pre-Filtering Techniques for Spectrum Narrowing Caused by Optical Node Traversal in Ultra-Dense WDM Networks Open Access
Okamura Kazuya, Mori Yojiro, Hasegawa Hiroshi
IEEE PHOTONICS JOURNAL Vol. 13 ( 2 ) 2021.4
-
フォトニックネットワーク分野の教育・研究のオンライン化～名古屋大学の場合～ Invited
長谷川 浩
電子情報通信学会2021年総合大会予稿集 page： BI-10-4 2021.3
-
高信頼化Flexible Waveband Routingネットワーク
棟方 隆司・森 洋二郎・長谷川 浩
電子情報通信学会2021年総合大会予稿集 page： B12-2-2 2021.3
-
共有型パス冗長化を導入したFlexible Waveband Routing ネットワーク
棟方隆司, 森 洋二郎, 長谷川 浩
電子情報通信学会2022年総合大会予稿集 page： B-12-2 2021.3
-
高信頼化Flexible Waveband Routingネットワークの特性評価
棟方 隆司・森 洋二郎・長谷川 浩
電子情報通信学会フォトニックネットワーク研究会 第2種研究会PN研究会学⽣ワークショップ page： pn2021-stws-10 2021.3
-
Evaluation of low-complexity digital coherent receivers for short-reach transmission systems
Kuno Takuma, Mori Yojiro, Hasegawa Hiroshi
METRO AND DATA CENTER OPTICAL NETWORKS AND SHORT-REACH LINKS IV Vol. 11712 2021.3
-
Experimental Evaluation of Optical Cross-Connects with Flexible Waveband Routing Function for SDM Networks International coauthorship
Kuno Takuma, Mori Yojiro, Subramaniam Suresh, Jinno Masahiko, Hasegawa Hiroshi
2021 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXPOSITION (OFC) 2021.3
-
DeepDRAMA: Deep Reinforcement Learning-based Disaster Recovery with Mitigation Awareness in EONs
Zou Rujia, Bury Nathaniel, Hasegawa Hiroshi, Jinno Masahiko, Subramaniam Suresh
2021 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM) 2021
-
Joint Pre-emphasis and Partial-response Coding for Spectrum Narrowing Caused by Repeated Optical-node Traversal in Ultra-dense WDM Networks Invited Reviewed
E. Honda, Y. Mori, H. Hasegawa and K. Sato
2020 European Conference on Optical Communications (ECOC) page： 1 - 4 2020.11
-
Low-Complexity DSP Configuration for Short-Reach Transmission Systems Reviewed
T. Kuno, Y. Mori, and H. Hasegawa
25th Optoelectronics and Communications Conference (OECC 2020) page： VP95 2020.10
-
Evaluation of Optical Circuit Switches for SDM-Based Intra-Datacenter Networks Reviewed
E. Honda, Y. Mori, H. Hasegawa, and K. Sato
25th Optoelectronics and Communications Conference (OECC 2020) page： VP95 2020.10
-
Resource Assignment based on Core-State Value Evaluation to Handle Crosstalk and Spectrum fragments in SDM Elastic Optical Networks Reviewed
Y. Wang, Y. Mori, and H. Hasegawa
25th Optoelectronics and Communications Conference (OECC 2020) page： T8-2.6 2020.10
-
空間分割多重光ネットワーク実現に向けた大容量光ノード構成法 Invited Reviewed
久野拓真・森 洋二郎・長谷川 浩
信学技報 Vol. 120 ( 137 ) page： PN2020-16 2020.8
-
空間分割多重光空間分割多重光ネットワークにおける経路・コア・波長割当法ネットワーク実現に向けた大容量光ノード構成法 Invited Reviewed
王 洋・森 洋二郎・長谷川 浩
信学技報 Vol. 120 ( 137 ) page： PN2020-20 2020.8
-
光ネットワーク最適化の基礎 Invited
長谷川浩
電子情報通信学会 光通信システム研究会 (OCS) OCS Summer School 2020 page： 講演 No.2 2020.7
-
Link-protection and FIPP p-cycle designs in translucent elastic optical networks Open Access
Zou Rujia, Hasegawa Hiroshi, Jinno Masahiko, Subramaniam Suresh
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 12 ( 7 ) page： 163 - 176 2020.7
-
強化学習に基づく光ネットワーク設計 ～ 知的経路スペクトラム選択法 Invited
白木隆太・森 洋二郎・長谷川 浩・佐藤健一
Vol. 120 ( 71 ) page： PN2020-9 2020.6
-
A 2.15 Pbps Throughput Optical Cross-Connect with Flexible Waveband Routing Reviewed
T. Kuno, Y. Mori, and H. Hasegawa
2020 IEEE 8th International Conference on Photonics (ICP) (ICP2020) page： on-line 2020.6
-
Assessment of Optical Node Architectures for Building Next Generation Large Bandwidth Networks Open Access
Ganbold Mungun-Erdene, Yasuda Takuma, Mori Yojiro, Hasegawa Hiroshi, Inuzuka Fumikazu, Hirano Akira, Sato Ken-ichi
IEICE TRANSACTIONS ON COMMUNICATIONS Vol. E103B ( 6 ) page： 679 - 689 2020.6
-
Transmission-Quality-Aware Online Network Design and Provisioning Enabled by Optical Performance Monitoring Open Access
Kayano Keisuke, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi, Oda Shoichiro, Yoshida Setsuo, Hoshida Takeshi
IEICE TRANSACTIONS ON COMMUNICATIONS Vol. E103B ( 6 ) page： 670 - 678 2020.6
-
Design of seamlessly and limitlessly expandable OXC and verification tests on its versatile applicability Reviewed
R. Hashimoto, Y. Mori, H. Hasegawa and K. Sato
IEEE/OSA Journal of Optical Communications and Networking Vol. 12 ( 5 ) page： 99-108 2020.5
-
High-Throughput and High-Port-Count Optical Cross- Connents Using Flexible Waveband Routing Reviewed
T. Kuno, Y. Mori, S. Subramaniam, M. Jinno and H. Hasegawa
2020 International Conference on Optical Network Design and Modeling (ONDM) 2020.5
-
Design of seamlessly and limitlessly expandable OXC and verification tests on its versatile applicability
Hashimoto Ryota, Mori Yojiro, Hasegawa Hirioshi, Sato Ken-ichi
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 12 ( 5 ) page： 99 - 108 2020.5
-
コア間干渉及び周波数断片化を考慮した空間多重光ネットワーク制御法
王 洋・森 洋二郎・長谷川 浩
電子情報通信学会2020年総合大会予稿集 page： B12-6 2020.3
-
High-throughput optical circuit switch for intra-datacenter networks based on spatial super-channels Reviewed
E. Honda, Y. Mori, H. Hasegawa, and K. Sato
OFC2020 page： W1F.2 2020.3
-
Dynamically controlled flexible-grid networks based on semi-flexible spectrum assignment and network-state-value evaluation Reviewed
R. Shiraki, Y. Mori, H. Hasegawa, and K. Sato
OFC2020 page： paper M1B.4 2020.3
-
SDMネットワークのための光ノード構成法に関する検討
久野拓真・森 洋二郎・長谷川 浩
電子情報通信学会フォトニックネットワーク研究会 学生ワークショップ page： pn2020-stws-3 2020.3
-
空間分割多重光ネットワークのための光ノード構成
久野拓真・森 洋二郎・長谷川 浩
電子情報通信学会技術研究報告 Vol. 119 ( 442 ) page： pp.37-43 2020.3
-
空間多重ノードアーキテクチャおよびネットワーク設計・制御技術 Invited
長谷川 浩，佐藤健一
電子情報通信学会EXAT研究会 page： EXAT2020-03 2020.2
-
Quasi-Nyquist WDM networks using receiver-side quadrature duo-binary/quaternary spectrum shaping Reviewed
K. Okamura, Y. Mori, H. Hasegawa, and K. Sato
SPIE Photonics West2020 page： Paper 11308-12 2020.2
-
Highly spectrally efficient metro networks that adopt fiber-level granular routing on overlaid line-/ring-shaped virtual topologies Reviewed
R. Shiraki, Y. Mori, H. Hasegawa, K. Sato, and P. Monti
SPIE Photonics West2020 page： Paper 11308-13 2020.2
-
Architecture and Design of Coarse/Fine Hybrid Granular Routing Optical Networks Open Access
Ito Yusaku, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
IEICE TRANSACTIONS ON COMMUNICATIONS Vol. E103B ( 2 ) page： 118 - 129 2020.2
-
波長分割多重および空間分割多重を用いたデータセンタ向け大容量光スイッチ
本田 瑛士・森 洋二郎・長谷川 浩・佐藤 健一
レーザー学会学術講演会第40回年次大会予稿集 page： G04-22p-X 2020.1
-
波長分割多重および空間分割多重を用いた大容量光スイッチ
本田瑛士・森 洋二郎・長谷川 浩・佐藤健一
信学技報 Vol. 119 ( 366 ) page： OCS2019-75 2020.1
-
Demonstration of 4.3 Pbps Optical Circuit Switching for Intra-Datacentre Networks Based on Spatial Super-Channels Invited Reviewed
E. Honda, Y. Mori, H. Hasegawa and K. Sato
2020 European Conference on Optical Communications (ECOC) page： 1 - 4 2020
-
Low-Complexity Digital Coherent Receivers for Short-Reach Transmission Systems
Kuno Takuma, Mori Yojiro, Hasegawa Hiroshi
2020 IEEE PHOTONICS CONFERENCE (IPC) 2020
-
A 2.15 Pbps Throughput Optical Cross-Connect with Flexible Waveband Routing
Kuno Takuma, Mori Yojiro, Hasegawa Hiroshi
2020 IEEE 8TH INTERNATIONAL CONFERENCE ON PHOTONICS (ICP) 2020
-
Evaluation of Optical Circuit Switches for SDM-Based Intra-Datacenter Networks
Honda Eiji, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
2020 OPTO-ELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC 2020) 2020
-
Dynamically Controlled Flexible-Grid Networks Based on Semi-Flexible Spectrum Assignment and Network-StateValue Evaluation
Shiraki Ryuta, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-Ichi
2020 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXPOSITION (OFC) 2020
-
High-Throughput and High-Port-Count Optical Cross-Connents Using Flexible Waveband Routing
Kuno Takuma, Mori Yojiro, Subramaniam Suresh, Jinno Masahiko, Hasegawa Hiroshi
2020 INTERNATIONAL CONFERENCE ON OPTICAL NETWORK DESIGN AND MODELING (ONDM) 2020
-
Resource Assignment based on Core-State Value Evaluation to Handle Crosstalk and Spectrum Fragments in SDM Elastic Optical Networks
Wang Yang, Mori Yojiro, Hasegawa Hiroshi
2020 OPTO-ELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC 2020) 2020
-
Quasi-Nyquist WDM networks using receiver-side quadrature duo-binary/quaternary spectrum shaping
Okamura Kazuya, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
METRO AND DATA CENTER OPTICAL NETWORKS AND SHORT-REACH LINKS III Vol. 11308 2020
-
Low-Complexity DSP Configuration for Short-Reach Transmission Systems
Kuno Takuma, Mori Yojiro, Hasegawa Hiroshi
2020 OPTO-ELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC 2020) 2020
-
Joint Pre-emphasis and Partial-response Coding for Spectrum Narrowing Caused by Repeated Optical-node Traversal in Ultra-dense WDM Networks
Okamura Kazuya, Mori Yojiro, Hasegawa Hiroshi
2020 EUROPEAN CONFERENCE ON OPTICAL COMMUNICATIONS (ECOC) 2020
-
Highly spectrally efficient metro networks that adopt fiber-level granular routing on overlaid line-/ring-shaped virtual topologies
Shiraki Ryuta, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi, Monti Paolo
METRO AND DATA CENTER OPTICAL NETWORKS AND SHORT-REACH LINKS III Vol. 11308 2020
-
High-Throughput Optical Circuit Switch for Intra-Datacenter Networks Based on Spatial Super-Channels
Honda Eiji, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
2020 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXPOSITION (OFC) 2020
-
P-Cycle Design for Translucent Elastic Optical Networks Reviewed
Rujia Zou, Suresh Subramaniam, Hiroshi Hasegawa, and Masahiko Jinno
2019 IEEE Global Communications Conference (GLOBECOM) page： 1-6, ONS1-4 2019.12
-
フォトニックネットワークの知的制御 ～ 強化学習に基づく経路・波長選択法 ～
白木隆太・森 洋二郎・長谷川 浩・佐藤健一
電子情報通信学会超知性ネットワーキングに関する分野横断型研究会 page： ポスターとしての予稿提供 2019.11
-
強化学習に基づく通信需要分布適応型動的光パス制御法
白木隆太・森 洋二郎・長谷川 浩・佐藤健一
電子情報通信学会技術研究報告 Vol. 119 ( 290 ) page： pp.23-27 2019.11
-
Intra- and inter-data centre converged networks utilising Kramers-Kronig receivers Reviewed
E. Honda, Y. Mori, H. Hasegawa, and K. Sato
ECOC2019 page： Th.1.A.5 2019.9
-
Node architecture and design of spatially jointed flexible waveband routing optical networks Reviewed
H. Hasegawa, S. Subramaniam, M. Jinno
ECOC2019 page： Th.1.A.5 2019.9
-
Improved Optical Amplification Efficiency by using Turbo Cladding Pumping Scheme for Multicore Fiber Optical Networks Reviewed Open Access
Hitoshi TAKESHITA Keiichi MATSUMOTO Hiroshi HASEGAWA Ken-ichi SATO Emmanuel Le Taillandier de GABORY
IEICE Transactions on Communications Vol. E102-B ( 8 ) page： - 2019.8
-
Improved Optical Amplification Efficiency by using Turbo Cladding Pumping Scheme for Multicore Fiber Optical Networks Reviewed Open Access
Hitoshi TAKESHITA, Keiichi MATSUMOTO, Hiroshi HASEGAWA, Ken-ichi SATO, and Emmanuel Le Taillandier de GABORY
IEICE Transactions on Communications Vol. E102.B (2019) ( 8 ) page： 1579-1589 2019.8
-
Improved Optical Amplification Efficiency by Using Turbo Cladding Pumping Scheme for Multicore Fiber Optical Networks Open Access
Takeshita Hitoshi, Matsumoto Keiichi, Hasegawa Hiroshi, Sato Ken-ichi, de Gabory Emmanuel Le Taillandier
IEICE TRANSACTIONS ON COMMUNICATIONS Vol. E102B ( 8 ) page： 1579 - 1589 2019.8
-
Dynamic Control of Transparent Optical Networks with Adaptive State-Value Assessment Enabled by Reinforcement Learning Reviewed
Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
ICTON2019 page： Sa.A3.4 2019.7
-
Switching granularity and intra-node interconnection optimization for large scale optical nodes Invited Reviewed
Hiroshi Hasegawa and Ken-ichi Sato
OECC/PSC2019 page： WA2-5 2019.7
-
Feasibility Test of Large-Scale (1,424×1,424) Optical Circuit Switches Utilizing Commercially Available Tunable Lasers Reviewed
Eiji Honda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
OECC/PSC2019 page： WA1-3 2019.7
-
Evaluation of WSS Characteristics in Highly Dense WDM Networks Reviewed
Kazuya Okamura, Shuhei Yamaoka, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
OECC/PSC2019 page： -- 2019.7
-
Design and evaluation of quasi-Nyquist WDM networks utilizing widely deployed wavelength-selective switches Open Access
Shiraki Ryuta, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
OPTICS EXPRESS Vol. 27 ( 13 ) page： 18549 - 18560 2019.6
-
Design and evaluation of quasi-Nyquist WDM networks utilizing widely deployed wavelength-selective switches Reviewed Open Access
Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
OSA Optics Express Vol. 27 ( 13 ) page： 18549-18560 2019.6
-
Design and evaluation of quasi-Nyquist WDM networks utilizing widely deployed wavelength-selective switches Reviewed Open Access
Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
OSA Optics Express Vol. 27 ( 13 ) page： 18549-18560 2019.6
-
Assessment of Optical Node Architectures for Building Next Generation Large Bandwidth Networks Reviewed Open Access
Mungun-Erdene Ganbold, Takuma Yasuda, Yojiro Mori, Hiroshi Hasegawa, Fumikazu Inuzuka, Akira Hirano, Ken-ichi Sato
IEICE Transactions on Communications Vol. E103.B (2020) ( 6 ) page： 679-689 2019.6
-
Efficient Dynamic Routing and Spectrum Assignment for Multifiber Elastic Optical Networks Reviewed
Jingxin Wu, Suresh Subramaniam, and Hiroshi Hasegawa
IEEE/OSA J. Opt. Commun. Netw. Vol. 11 ( 5 ) page： 190-201 2019.5
-
Quasi-Nyquist WDM Networks UsingWidely Deployed Wavelength-Selective Switches Reviewed
Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
5th International Symposium on Extremely Advanced Transmission Technologies (EXAT2019) page： poster (+ 1-page paper) 2019.5
-
Efficient Dynamic Routing and Spectrum Assignment for Multifiber Elastic Optical Networks Reviewed
Jingxin Wu, Suresh Subramaniam, and Hiroshi Hasegawa
J. Opt. Commun. Netw. Vol. 11 ( 5 ) page： 190-201 2019.5
-
Efficient Dynamic Routing and Spectrum Assignment for Multifiber Elastic Optical Networks
Wu Jingxin, Subramaniam Suresh, Hasegawa Hiroshi
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 11 ( 5 ) page： 190 - 201 2019.5
-
Digital post-processing against inline spectrum narrowing caused by optical node traversals Reviewed
Shuhei Yamaoka, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
IEICE ComEx Vol. 8 ( 4 ) page： 93-98 2019.4
-
Effectiveness of Transmission-Quality-Aware Online Network Design and Provisioning Enabled through Optical Performance Monitoring Reviewed
Keisuke Kayano, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Shoichiro Oda, Setsuo Yoshida, Takeshi Hoshida
IEICE ComEx Vol. 8 ( 4 ) page： 81-86 2019.4
-
Design of and resiliency enhancement in coarse/fine hybrid granular routing optical networks based on iterative path-pair-loop inflation Reviewed
K. Itakura, Y. Mori, H. Hasegawa, and K. Sato
15th International Conference on Design of Reliable Communication Networks (DRCN2019) page： I-3 2019.3
-
既設波長選択スイッチを用いた準ナイキスト波長分割多重ネットワークの実証
白木隆太・森洋二郎・長谷川浩・佐藤健一
電子情報通信学会2019年総合大会 page： B12-3 2019.3
-
クラマース・クローニッヒ受信器を用いたデータセンタ向け光スイッチネットワーク
本田瑛士・森洋二郎・長谷川浩・佐藤健一
電子情報通信学会フォトニックネットワーク研究会学生ワークショップ page： pn2019-stws-5 2019.3
-
[依頼講演] 距離適応変調Grouped Routing
茅野敬介・山岡修平・森洋二郎・長谷川浩・佐藤健一
電子情報通信学会技術研究報告 Vol. 118 ( 505 ) page： pp. 13-17 2019.3
-
超高密度波長分割多重ネットワークにおける波長選択スイッチ特性偏差の影響
岡村和哉・山岡修平・森洋二郎・長谷川浩・佐藤健一
電子情報通信学会フォトニックネットワーク研究会学生ワークショップ page： pn2019-stws-4 2019.3
-
Assessment of Node- and Link- Level Blocking and Creating Cost-Effective Networks in the Era of Large Bandwidth Services Reviewed
Shuhei YAMAKAMI Masaki NIWA Yojiro MORI Hiroshi HASEGAWA Ken-ichi SATO Fumikazu INUZUKA Akira HIRANO
IEICE Transactions on Communications Vol. E102-B ( 3 ) page： 510-521 2019.3
-
Demonstration of Quasi-Nyquist WDM Networks Using Widely DeployedWavelength-Selective Switches Reviewed
Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
2019 Optical Fiber Communication Conference (OFC2019) page： M1A.7 2019.3
-
Verification of high performance and wide applicability of seamlessly expandable and limitless OXC Reviewed
R. Hashimoto, Y. Mori, H. Hasegawa, and K. Sato
2019 Optical Fiber Communication Conference (OFC2019) page： -- 2019.3
-
Assessment of Node-and Link-Level Blocking and Creating Cost-Effective Networks in the Era of Large Bandwidth Services Open Access
Yamakami Shuhei, Niwa Masaki, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi, Inuzuka Fumikazu, Hirano Akira
IEICE TRANSACTIONS ON COMMUNICATIONS Vol. E102B ( 3 ) page： 510 - 521 2019.3
-
Highly Dense Elastic Optical Networks Enabled by Grouped Routing with Distance-Adaptive Modulation Reviewed Open Access
K. Kayano, S. Yamaoka, Y. Mori, H. Hasegawa and K. Sato
IEEE Photonics Technology Letters Vol. 31 ( 4 ) page： 295 - 298 2019.2
-
Novel network architecture enabling quasi-Nyquist wavelength-division multiplexing Reviewed
R. Shiraki, S. Yamaoka, Y. Mori, H. Hasegawa, and K. Sato
SPIE Photonics West, Proceedings Volume 10946, Metro and Data Center Optical Networks and Short-Reach Links II page： 109460C 2019.2
-
仮想光リンクを導入した高信頼化光パスネットワーク
板倉圭佑・森 洋二郎・長谷川 浩・佐藤健一,
電子情報通信学会技術研究報告 Vol. 118 ( 396 ) page： pp. 263-270 2019.1
-
Dynamics Characterization of Wavelength-Tunable Laser Using Coherent Detection with Dual Local Oscillator
Eiji Honda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
page： G3 13pII 02 2019.1
-
Feasibility Test of Large-Scale (1,424x1,424) Optical Circuit Switches Utilizing Commercially Available Tunable Lasers
Honda Eiji, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
2019 24TH OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC) AND 2019 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING AND COMPUTING (PSC) 2019
-
Demonstration of Quasi-Nyquist WDM Networks Using Widely Deployed Wavelength-Selective Switches
Shiraki Ryuta, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
2019 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC) 2019
-
Evaluation of WSS Characteristics in Highly Dense WDM Networks
Okamura Kazuya, Yamaoka Shuhei, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
2019 24TH OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC) AND 2019 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING AND COMPUTING (PSC) 2019
-
Effectiveness of transmission-quality-aware online network design and provisioning enabled through optical performance monitoring
Kayano Keisuke, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi, Oda Shoichiro, Yoshida Setsuo, Hoshida Takeshi
IEICE COMMUNICATIONS EXPRESS Vol. 8 ( 4 ) page： 81 - 86 2019
-
Digital post-processing against inline spectrum narrowing caused by optical node traversals
Yamaoka Shuhei, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
IEICE COMMUNICATIONS EXPRESS Vol. 8 ( 4 ) page： 93 - 98 2019
-
Design of and Resiliency Enhancement in Coarse/Fine Hybrid Granular Routing Optical Networks Based on Iterative Path-Pair-Loop Inflation
Itakura Keisuke, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
2019 15TH INTERNATIONAL CONFERENCE ON THE DESIGN OF RELIABLE COMMUNICATION NETWORKS (DRCN 2019) page： 11 - 15 2019
-
Novel Network Architecture Enabling Quasi-Nyquist Wavelength-Division Multiplexing
Shiraki Ryuta, Yamaoka Shuhei, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
METRO AND DATA CENTER OPTICAL NETWORKS AND SHORT-REACH LINKS II Vol. 10946 2019
-
Verification of High Performance and Wide Applicability of Seamlessly Expandable and Limitless OXC
Hashimoto Ryota, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
2019 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC) 2019
-
Switching granularity and intra-node interconnection optimization for large scale optical nodes
Hasegawa Hiroshi, Sato Ken-ichi
2019 24TH OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC) AND 2019 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING AND COMPUTING (PSC) 2019
-
P-cycle Design for Translucent Elastic Optical Networks
Zou Rujia, Subramaniam Suresh, Hasegawa Hiroshi, Jinno Masahiko
2019 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM) 2019
-
Node architectures in SDM networks Invited
Hiroshi Hasegawa and Ken-ichi Sato
Technical Report of IEICE-EXAT page： EXAT2018-9, pp.5-11 2018.11
-
Novel Demodulation Framework Based on Quadrature Duo-Binary/Quaternary/Octernary Spectrum Shaping and MLSE for Mitigating Spectrum Narrowing Caused by Node Traversals Reviewed
Shuhei Yamaoka, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
ECOC2018 page： Mo4F 2018.9
-
経路ダイバーシティ及び周波数利用効率を向上する高信頼化光パスネットワーク設計法
板倉圭佑・森洋二郎・長谷川浩・佐藤健一
電子情報通信学会2018年ソサイエティ大会 page： B-12-4 2018.9
-
距離適応変調及びGrouped Routing による超高密度光ネットワーク
茅野敬介・山岡修平・森洋二郎・長谷川浩・佐藤健一
電子情報通信学会2018年ソサイエティ大会 page： B-12-9 2018.9
-
Quasi-Nyquist WDM Network Architecture and Its Design
Technical Report of IEICE Vol. 118 ( 203 ) page： PN2018-17, pp. 13-16 2018.8
-
Novel FM-Noise Spectrum Measurement Based on Three-Wave Interference Reviewed
Shuhei Yamaoka, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
CLEO Pacific Rim page： W4I.7 2018.8
-
Joint Banding-node Placement and Resource Allocation for Multi-granular Elastic Optical Networks Reviewed
Jingxin Wu, Maotong Xu, Suresh Subramaniam, and Hiroshi Hasegawa
IEEE/OSA JOCN Vol. 10 ( 8 ) page： 27-38 2018.8
-
Joint Banding-Node Placement and Resource Allocation for Multigranular Elastic Optical Networks Open Access
Wu Jingxin, Xu Maotong, Subramaniam Suresh, Hasegawa Hiroshi
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 10 ( 8 ) page： C27 - C38 2018.8
-
Assessment of Optical Cross-Connect Architectures for the Creation of Next Generation Optical Networks Reviewed
Mungun-Erdene Ganbold, Takuma Yasuda, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
OECC2018 page： 6A1-5 2018.7
-
Novel Demodulation Algorithm Based on Duo-Binary Spectrum Shaping and MLSE for Mitigating Spectrum Narrowing Caused by Multiple Node Traversals Reviewed
Shuhei Yamaoka, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
OSA Advanced Photonics Congress 2018 page： SpW1G.5 2018.7
-
Dynamic Routing and Spectrum Assignment for Multi-fiber Elastic Optical Networks Reviewed
Jingxin Wu, Suresh Subramaniam, and Hiroshi Hasegawa
OSA Advanced Photonics Congress 2018 page： NeTu4F.1 2018.7
-
Design and Verification of Large-Scale Optical Circuit Switch Using ULCF AWGs for Datacenter Application Invited Reviewed
H. Nagai, Y. Mori, H. Hasegawa, and K. Sato
IEEE/OSA J. Opt. Commun. Netw. Vol. 10 ( 7 ) page： B82-B89 2018.7
-
Design and Verification of Large-Scale Optical Circuit Switch Using ULCF AWGs for Datacenter Application
Nagai H., Mori Y., Hasegawa H., Sato K.
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 10 ( 7 ) page： B82 - B89 2018.7
-
リング網における超高密度波長多重と光パス収容法
白木隆太・森洋二郎・長谷川浩・佐藤健一
電子情報通信学会2018年総合大会 page： B-12-14 2018.3
-
Grouped Routing Network Enhanced with Optical Performance Monitoring
Keisuke Kayano, Hiroshi Saito, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Shoichiro Oda, Setsuo Yoshida, and Takeshi Hoshida
Optical Fiber Communication Conference and Exhibition 2018 page： M3J.8 2018.3
-
Fragmentation-minimized Transponder Upgrading Employing Channel Bandwidth Aligned Slot Allocation in Flexible Grid Optical Networks
Hiroshi Hasegawa, Takuma Yasuda, Yojiro Mori, and Ken-ichi Sato
Optical Fiber Communication Conference and Exhibition 2018 page： M3J.6 2018.3
-
Spectral Utilization Efficient Coarse Granular Routing Optical Networks with Resiliency against Multiple Failures Reviewed
Tomohiro Ishikawa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
14th International Conference on Design of Reliable Communication Networks page： A3 2018.2
-
Large-scale optical node architecture enabling spectral-efficiency maximization in ultra-dense WDM networks Reviewed
S.Yamaoka, R. Hashimoto, Y. Mori, H.Hasegawa, and K. Sato
SPIE 10560, Short Reach Networks II page： 10560-15 2018.1
-
Demonstration of 153.6Tbps Throughput from 1,536x1,536 Optical Switch with Uniform Loss and Cyclic Frequency AWGs Reviewed
H. Nagai, Y. Mori, H.Hasegawa, and K. Sato
SPIE 10560, Metro and Data Center Optical Networks and Short-Reach Links Vol. 10560 page： 105600P 2018
-
Architecture and Design of Quasi-Nyquist WDM Networks with Flexible Grid Granular Switching
Shiraki Ryuta, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
2018 PHOTONICS IN SWITCHING AND COMPUTING (PSC) 2018
-
Spectrally Efficient and Highly Resilient Grouped Routing Network Enhanced with Optical Performance Monitoring
Kayano Keisuke, Saito Hiroshi, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi, Oda Shoichiro, Yoshida Setsuo, Hoshida Takeshi
2018 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXPOSITION (OFC) 2018
-
Assessment of optical cross-connect architectures for the creation of next generation optical networks
Ganbold Mungun-Erdene, Yasuda Takuma, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
23RD OPTO-ELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC2018) 2018
-
A New Framework for Nation-Wide Networking in Future Datacenter-Traffic Centric Era
Kayano Keisuke, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi, Inuzuka Fumikazu, Hirano Akira
2018 PHOTONICS IN SWITCHING AND COMPUTING (PSC) 2018
-
Fragmentation-Minimized Transponder Upgrading Employing Channel Bandwidth Aligned Slot Allocation in Flexible Grid Optical Networks
Hasegawa Hiroshi, Yasuda Takuma, Mori Yojiro, Sato Ken-ichi
2018 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXPOSITION (OFC) 2018
-
Spectral Utilization Efficient Coarse Granular Routing Optical Networks with Resiliency against Multiple Failures
Ishikawa Tomohiro, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
2018 21ST CONFERENCE ON INNOVATION IN CLOUDS, INTERNET AND NETWORKS AND WORKSHOPS (ICIN) 2018
-
Novel Demodulation Framework Based on Quadrature Duo-Binary/Quaternary/Octernary Spectrum Shaping and MLSE for Mitigating Spectrum Narrowing Caused by Node Traversals
Yamaoka Shuhei, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
2018 EUROPEAN CONFERENCE ON OPTICAL COMMUNICATION (ECOC) 2018
-
Large-scale optical node architecture enabling spectral-efficiency maximization in ultra-dense WDM networks
Yamaoka Shuhei, Hashimoto Ryota, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
METRO AND DATA CENTER OPTICAL NETWORKS AND SHORT-REACH LINKS Vol. 10560 2018
-
Joint Banding-node Placement and Resource Allocation for Multi-granular Elastic Optical Networks Reviewed
Jingxin Wu, Maotong Xu, Suresh Subramaniam, and Hiroshi Hasegawa
IEEE Globecom 2017 2017.12
-
Fast Optical Circuit Switch for Intra-Datacenter Networking Invited Reviewed Open Access
Koh UEDA, Yojiro MORI, Hiroshi HASEGAWA, Hiroyuki MATSUURA, Kiyo ISHII, Haruhiko KUWATSUKA, Shu NAMIKI, Toshio WATANABE, Ken-ichi SATO
IEICE Transactions on Communications Vol. E100.B ( 10 ) page： 1740-1746 2017.10
-
Spectral Efficiency Maximization of Grouped Routing Optical Networks with Shared Protection Reviewed Open Access
Tomohiro Ishikawa, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
IEEE/OSA J. Opt. Commun. Netw. Vol. 9 ( 10 ) page： 864-875 2017.10
-
First Demonstration of Subsystem-Modular Optical Cross-Connect Using Single-Module 6x6 WSS Reviewed
R. Hashimoto, S. Yamaoka, Y. Mori, H. Hasegawa, K. Sato, K. Yamaguchi, K. Seno, K. Suzuki
ECOC2017 page： Tu.2.F.2 2017.9
-
Joint Pre-, Inline-, and Post-Compensation of Spectrum Narrowing Caused by Traversing Multiple Optical Nodes Reviewed
Y. Mori, H. Hasegawa, K. Sato
ECOC2017 page： P1.SC3.45 2017.9
-
Implication of optical path cross-connect and fiber cross-connect in creating cost-effective large bandwidth optical networks
Mungun-Erdene Ganbold, Takuma Yasuda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
IEICE Society Conference 2017 page： BS-7-25 2017.9
-
高信頼化Grouped Routingネットワーク
長谷川浩・森洋二郎・佐藤健一
信学技報 Vol. 117 ( 186 ) page： 13-18 2017.8
-
超高密度波長分割多重ネットワークにおける大規模光ノードの評価
山岡修平・橋本涼太・森洋二郎・長谷川浩・佐藤健一
信学技報 Vol. 117 ( 186 ) page： 47-50 2017.8
-
ネットワークコスト評価に基づく大規模光クロスコネクトノードアーキテクチャの性能比較
Ganbold Mungun-Erdene・安田拓真・森洋二郎・長谷川浩・佐藤健一
信学技報 Vol. 117 ( 186 ) page： 19-22 2017.8
-
Highly reliable and large-scale subsystem-modular optical cross-connect Reviewed Open Access
Shuhei Yamakami, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
OSA Optics Express Vol. 25 page： 17982-17994 2017.8
-
Novel Subcarrier Multiplexing and Subcarrier-synchronous Phase Estimation Tolerant to Laser Phase Noise Reviewed
David Martinez, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
Signal Processing in Photonics Communications 2017 page： SpW1F.5 2017.7
-
Compact OXC architecture, design and prototype development for flexible waveband routing optical networks Reviewed Open Access
Tomohiro Ishikawa, Yojiro Mori, Hiroshi Hasegawa, Suresh Subramaniam, Ken-ichi Sato, and Osamu Moriwaki
OSA Optics Express Vol. 25 ( 115 ) page： 15838-15853 2017.7
-
Theory and Progress of Large-scale Optical Switching and Elastically Hybrid Optical Switching Invited Reviewed
H. Hasegawa and K. Sato
Photonics in Switching 2017 page： PM2D.1 2017.7
-
Large-scale optical circuit switch architecture for intra-datacentre networking Reviewed
Yojiro Mori, Koh Ueda, Hiroshi Hasegawa, and Ken-ichi Sato
2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) 2017.6
-
Routing, Fiber, Band, and Spectrum Assignment (RFBSA) for Multi-granular Elastic Optical Networks Reviewed
Jingxin Wu, Maotong Xu, Suresh Subramaniam, and Hiroshi Hasegawa
IEEE ICC 2017 page： ONS-05: Elastic Optical Networks 2017.5
-
Large-Scale Optical Node Utilizing MxM WSSs Optimally Configured for Traffic Distribution Reviewed Open Access
M. Niwa; Y. Mori; H. Hasegawa; K. Sato
IEEE Photonics Technology Letters Vol. PP ( 99 ) page： 1-1 2017.5
-
Dynamic Path Provisioning and Disruption-Free Reoptimization Algorithms for Bandwidth on-Demand Services Considering Fairness Reviewed
Masahiro NAKAGAWA, Hiroshi HASEGAWA, Ken-ichi SATO
IEICE Transactions on Communications Vol. E100.B (2017) ( 4 ) page： 536-547 2017.4
-
多重故障を考慮した高信頼化Grouped Routingネットワーク設計法
石川智啓・森洋二郎・長谷川浩・佐藤健一
電子情報通信学会2017年総合大会 page： B-12-15 2017.3
-
Optical tunable filter for gridless ROADM Reviewed
M. Niwa, Y. Mori, H. Hasegawa and K. Sato
2017 Optical Fiber Communications Conference and Exhibition (OFC) page： 1-3 2017.3
-
Highly reliable large-scale optical cross-connect architecture utilizing M×M wavelength-selective switches Reviewed
S. Yamakami, M. Niwa, Y. Mori, H. Hasegawa and K. Sato
2017 Optical Fiber Communications Conference and Exhibition (OFC) page： 1-3 2017.3
-
Novel intra- and inter-datacenter converged network exploiting space- and wavelength-dimensional switches Reviewed
K. Ueda, Y. Mori, H. Hasegawa and K. Sato
2017 Optical Fiber Communications Conference and Exhibition (OFC) page： 1-3 2017.3
-
Dynamic control of coarse/fine hybrid granular routing optical networks Reviewed
Y. Ito, Y. Mori, H. Hasegawa and K. Sato
2017 Optical Fiber Communications Conference and Exhibition (OFC) page： 1-3 2017.3
-
Impairment mitigation in noncoherent optical transmission enabled with machine learning for intra-datacenter networks Reviewed
Keisuke Ito, Masaki Niwa, Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
SPIE Photonics West 2017 page： 10131-9 2017.2
-
Efficient network expansion strategy for elastic optical networks that considers channel capacity upgrades Reviewed
Takuma Yasuda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
SPIE Photonics West 2017 page： 10129-8 2017.2
-
Large-Scale Optical Switch Utilizing Multistage Cyclic Arrayed-Waveguide Gratings for Intra-Datacenter Interconnection Reviewed Open Access
K. Ueda, Y. Mori, H. Hasegawa and K. Sato
IEEE Photonics Journal Vol. 9 ( 1 ) page： 1-12 2017.2
-
Algorithm for raising OXC port count to meet traffic growth at minimum cost Invited Reviewed
K. Sato, Y. Mori, H. Hasegawa and K. Sato
IEEE/OSA Journal of Optical Communications and Networking Vol. 9 ( 2 ) page： A263-A270 2017.2
-
Tipping point for the future scalable OXC: what size MxM WSS is needed? Invited Reviewed
M. Niwa, Y. Mori, H. Hasegawa and K. Sato
IEEE/OSA Journal of Optical Communications and Networking Vol. 9 ( 1 ) page： A18-A25 2017.1
-
First Demonstration of Subsystem-Modular Optical Cross-Connect Using Single-Module 6x6 WSS
Hashimoto Ryota, Yamaoka Shuhei, Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi, Yamaguchi Keita, Seno Kazunori, Suzuki Kenya
43RD EUROPEAN CONFERENCE ON OPTICAL COMMUNICATION (ECOC 2017) 2017
-
Joint Banding-node Placement and Resource Allocation for Multi-granular Elastic Optical Networks
Wu Jingxin, Xu Maotong, Subramaniam Suresh, Hasegawa Hiroshi
GLOBECOM 2017 - 2017 IEEE GLOBAL COMMUNICATIONS CONFERENCE 2017
-
Routing, Fiber, Band, and Spectrum Assignment (RFBSA) for Multi-granular Elastic Optical Networks
Wu Jingxin, Xu Maotong, Subramaniam Suresh, Hasegawa Hiroshi
2017 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC) 2017
-
Large-Scale Optical Circuit Switch Architecture for Intra-Datacentre Networking
Mori Yojiro, Ueda Koh, Hasegawa Hiroshi, Sato Ken-ichi
2017 CONFERENCE ON LASERS AND ELECTRO-OPTICS EUROPE & EUROPEAN QUANTUM ELECTRONICS CONFERENCE (CLEO/EUROPE-EQEC) 2017
-
Joint Pre-, Inline-, and Post-Compensation of Spectrum Narrowing Caused by Traversing Multiple Optical Nodes
Mori Yojiro, Hasegawa Hiroshi, Sato Ken-ichi
43RD EUROPEAN CONFERENCE ON OPTICAL COMMUNICATION (ECOC 2017) 2017
-
粗粒度ルーティング光ネットワークの設備増設設計とその性能評価
齋藤裕・森洋二郎・長谷川浩・佐藤健一
信学技報 Vol. 116 ( 307 ) page： 13-18 2016.11
-
Dynamic Router Performance Control Utilizing Support Vector Machines for Energy Consumption Reduction Reviewed
H. Kawase, Y. Mori, H. Hasegawa, and K. Sato
IEEE Transactions on Network and Service Management page： TNSM-2015-00912 2016.11
-
Large-Scale and Simple-Configuration Optical Switch Enabled by Asymmetric-Port-Count Subswitches Reviewed Open Access
Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
2016 IEEE Photonics Conference, 29th Annual Conference of the IEEE Photonics Society page： ThG1.2 2016.10
-
Demonstration of Virtual Direct Link Optical Networks Reviewed
Y. Ito, M. Niwa, K. Ueda, Y. Mori, H. Hasegawa, and K. Sato
2016 IEEE Photonics Conference, 29th Annual Conference of the IEEE Photonics Society page： WD1.5 2016.10
-
Demonstration of VirNovel Optical-Node Architecture Utilizing Asymmetric-Multiport Wavelength-Selective Switchestual Direct Link Optical Networks Reviewed
M. Niwa, Y. Mori, H. Hasegawa, and K. Sato
2016 IEEE Photonics Conference, 29th Annual Conference of the IEEE Photonics Society page： WD2.3 2016.10
-
Highly Reliable and Cost-Effective Large-Scale Optical Cross-Connect Architecture Reviewed
S. Yamakami, M. Niwa, Y. Mori, H. Hasegawa, and K. Sato
2016 IEEE Photonics Conference, 29th Annual Conference of the IEEE Photonics Society page： WD2.4 2016.10
-
Experimental Demonstration of 2,160x2,160 Optical Circuit Switch for Intra-datacenter Networking Reviewed
Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Hiroyuki Matsuura, Kiyo Ishii, Haruhiko Kuwatsuka, and Shu Namiki
2016 IEEE Photonics Conference, 29th Annual Conference of the IEEE Photonics Society page： MB4.2 2016.10
-
Node Architecture and Design of Flexible Waveband Routing Optical Networks Reviewed
H. Hasegawa, S. Subramaniam, and K. Sato
IEEE/OSA JOCN Vol. 8 ( 10 ) page： 734-744 2016.10
-
データセンタ用大規模光スイッチの設計
永井宏樹・上田恒・森洋二郎・長谷川浩・佐藤健一
電子情報通信学会2016年ソサイエティ大会 page： B-12-10 2016.9
-
定期的な設備増設状況下におけるグループ化光パスルーティングネットワークの性能評価
齋藤裕・森洋二郎・長谷川浩・佐藤健一
電子情報通信学会2016年ソサイエティ大会 page： B-12-13 2016.9
-
周期的な設備増設を考慮したセミフレキシブルグリッド光ネットワークの性能評価
安田拓真・森洋二郎・長谷川浩・佐藤健一
電子情報通信学会2016年ソサイエティ大会 page： B-12-12 2016.9
-
Performance comparison of grouped optical path routing networks that adopt different granular shared protection schemes
Tomohiro Ishikawa, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
IEICE Society Conference 2016 page： BS-5-2 2016.9
-
Evaluation and Performance Modeling of Two OXC Architectures Invited Reviewed
J. Wu, M. Xu, S. Subramaniam and H. Hasegawa
2016 IEEE 37th Sarnoff Symposium page： T3-2 2016.9
-
MxM WSS Based ROADM Architecture with Topology-Insensitive Routing Performance Reviewed
M. Niwa, Y. Mori, H. Hasegawa, and K. Sato
ECOC2016 page： W.4.P1.SC4.7 2016.9
-
距離及びホップ数に適応的なサブキャリア変調を用いた周波数利用効率最大化
磯野祐馬・丹羽真規・森洋二郎・長谷川浩・佐藤健一
信学技報 Vol. 116 ( 205 ) page： 53-57 2016.9
-
Spectral-Efficiency Maximization with Subcarrier-Multiplexed Hybrid-QAM Signals Adaptive to Distance and Hop Count Reviewed
Yuma Isono, Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
ECOC2016 page： Th.1.E.3 2016.9
-
Optical Networking Utilizing Virtual Direct Links Reviewed
Y. Ito, Y. Mori, H. Hasegawa, and K. Sato
ECOC2016 page： W.4.P1.SC6.3 2016.9
-
Recent Progress in Large-scale Optical Switches for Intra-datacenter Interconnection Invited Reviewed
K. Ueda, Y. Mori, H. Hasegawa, and K. Sato
PIERS2016 page： 2P4 2016.8
-
Demonstration of 1,440x1,440 Fast Optical Circuit Switch for Datacenter Networking Reviewed
Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Hiroyuki Matsuura, Kiyo Ishii, Haruhiko Kuwatsuka, Shu Namiki, Toshio Watanabe, Ken-ichi Sato
21st OptoElectronics and Communications Conference (OECC2016)/Photonics in Switching 2016 (PS2016) page： WF1-3 2016.7
-
Spectral Efficient Grouped Routing Network that Applies Dynamic Optical Path Grooming Reviewed
Yuki Terada, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
21st OptoElectronics and Communications Conference (OECC2016)/Photonics in Switching 2016 (PS2016) page： TuA1-1 2016.7
-
Hardware Scale Analysis and Prototype Development of Flexible Waveband Routing OXCs Reviewed
Tomohiro Ishikawa, Masaki Niwa, Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Suresh Subramaniam, Ken-ichi Sato, Osamu Moriwaki
21st OptoElectronics and Communications Conference (OECC2016)/Photonics in Switching 2016 (PS2016) page： TuA1-4 2016.7
-
Survivable Grouped Routing Optical Networks With Dedicated Path Protection Reviewed Open Access
H. Hasegawa, Y. Mori, and K. Sato
IEICE Transactions on Communications Vol. E99-B ( 7 ) page： - 2016.7
-
Disruption-Free Expansion of Protected Optical Path Networks that Utilize Subsystem Modular OXC Nodes Reviewed
Kosuke Sato, Hiroshi Hasegawa, and Ken-ichi Sato
IEEE/OSA J. Opt. Commun. Netw. Vol. 8 ( 7 ) page： 476-485 2016.7
-
A Compact OXC Node Architecture That Exploits Dynamic Path Bundling and Routing Reviewed
T. Ishikawa, H. Hasegawa, S. Subramaniam, and K. Sato
ONDM2016 page： S8-3 2016.5
-
Large-Scale and Simple-Configuration Optical Switch Enabled by Asymmetric-Port-Count Subswitches Reviewed Open Access
K. Ueda, Y. Mori, H. Hasegawa, K. i. Sato and T. Watanabe
IEEE Photonics Journal, Vol. 8 ( 2 ) page： 1-10 2016.4
-
Novel Optical-Node Architecture Utilizing Asymmetric-Multiport Wavelength-Selective Switches Reviewed Open Access
M. Niwa, Y. Mori, H. Hasegawa and K. Sato
IEEE Photonics Journal, Vol. 8 ( 2 ) page： 1-10 2016.4
-
Highly spectral efficient networks based on grouped optical path routing Reviewed Open Access
Y. Terada, Y. Mori, H. Hasegawa, and K. Sato
OSA Optics Express Vol. 24 ( 6 ) page： 6213-6228 2016.3
-
MxM WSSを用いた大規模光ノード構成法
丹羽真規・森洋二郎・長谷川浩・佐藤健一
電子情報通信学会2016年総合大会 page： B-10-77 2016.3
-
サブシステムモジュラ光クロスコネクトにおけるルーティング性能のノード次数依存
伊藤圭佑・森洋二郎・長谷川浩・佐藤健一
電子情報通信学会2016年総合大会 page： B-10-23 2016.3
-
高信頼サブシステムモジュラ光クロスコネクト
山上修平・丹羽真規・森洋二郎・長谷川浩・佐藤健一
電子情報通信学会2016年総合大会 page： B-10-22 2016.3
-
機械学習制御に基づくルータの低消費電力化 (受賞に伴う奨励講演)
川瀬弘嗣・森洋二郎・長谷川浩・佐藤健一
信学技報 Vol. 115 ( 497 ) page： 47-51 2016.3
-
高信頼光クロスコネクト構成
山上修平・丹羽真規・森洋二郎・長谷川浩・佐藤健一
信学技報 Vol. 115 ( 497 ) page： 17-20 2016.3
-
Algorithm for raising OXC port count to meet traffic growth at minimum-cost Reviewed
K. Sato, Y. Mori, H. Hasegawa, and K. Sato
OSA Optical Fiber Communication Conference (OFC2016) page： W4B.2 2016.3
-
Low-Loss and Large-Scale Optical Switch Utilizing Asymmetric-Port-Count Cyclic AWGs Reviewed
K. Ueda, Y. Mori, H. Hasegawa, and K. Sato
ICP2016 page： Dev-8 2016.3
-
Cycle-Slip-Tolerant Decision-Boundary Creation with Machine Learning Reviewed
H. Kawase, Y. Mori, H. Hasegawa, and K. Sato
ICP2016 page： Com-4 2016.3
-
Spectrum Utilization Maximization in Coarse Granular Optical Routing Networks that Employ Fine Granular Shared Protection Reviewed
T. Ishikawa, Y. Mori, H. Hasegawa, K. Sato
Design of Reliable Communication Networks 2016 (DRCN2016) page： D-1 2016.3
-
Tipping point for the future scalable OXC -What size MxM WSS is needed?-, Reviewed
M. Niwa, Y. Mori, H. Hasegawa, K. Sato
OSA Optical Fiber Communication Conference (OFC2016) page： W4B.5 2016.3
-
Highly Spectral Efficient Elastic Optical Network Employing Grouped Optical Path Routing Reviewed
Y. Terada, Y. Mori, H. Hasegawa, and K. Sato
OSA Optical Fiber Communication Conference (OFC2016) page： W2A.48 2016.3
-
Large-scale and simple-configuration optical switch enabled by asymmetric-port-count sub-switches Reviewed Open Access
K. Ueda, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe
IEEE Photonics Journal ( 99 ) page： 1 2016.2
-
Demonstration of 720x720 optical fast circuit switch for intra-datacenter networks Reviewed
K. Ueda, Y. Mori, H. Hasegawa, K. Ishii, H. Kuwatsuka, S. Namiki, H. Matsuura, and K. Sato
SPIE Photonics West 2016 Vol. Proc. SPIE 9775, Next-Generation Optical Networks for Data Centers and Short-Reach Links III page： 977518 2016.2
-
Architecture and design of optical path networks utilizing waveband virtual links Reviewed
Y. Ito, Y. Mori, H. Hasegawa, and K. Sato
SPIE Photonics West 2016 Vol. Proc. SPIE 9773, Optical Metro Networks and Short-Haul Systems VII page： 977319 2016.2
-
Real-time optical path control method that utilizes multiple support vector machines for traffic prediction Reviewed
H. Kawase, Y. Mori, H. Hasegawa, and K. Sato
SPIE Photonics West 2016 Vol. Proc. SPIE 9773, Optical Metro Networks and Short-Haul Systems VII page： 977318 2016.2
-
高信頼化粗粒度ルーティング光ネットワーク
長谷川浩・森洋二郎・佐藤健一
信学技報 Vol. 115 ( 430 ) page： 181-187 2016.1
-
リンク容量増大とノード拡張性を同時達成する光ネットワークアーキテクチャ
寺田佑貴・森洋二郎・長谷川浩・佐藤健一
信学技報 Vol. 115 ( 407 ) page： 7-12 2016.1
-
Large-Scale Optical-Switch Prototypes Utilizing Cyclic Arrayed-Waveguide Gratings for Datacenters Invited Reviewed
K. Ueda, Y. Mori, H. Hasegawa, K. Sato and T. Watanabe
IEEE Journal of Lightwave Technology Vol. 34 ( 2 ) page： 608-617 2016.1
-
Optimal nonuniform wavebanding in WDM mesh networks Reviewed
Jingxin Wu, Suresh Subramaniam , Hiroshi Hasegawa
Springer Photonic Network Communications page： 1-10 2015.11
-
Differential Reliability Path Accommodation Design and Reconfiguration in Virtualized Multi-Layer Transport Network Reviewed
Akihiro Kadohata, Takafumi Tanaka, Atsushi Watanabe, Akira Hirano, Hiroshi Hasegawa, and Ken-ichi Sato
IEICE Transactions on Communications Vol. E98-B ( 11 ) page： 2151-2159 2015.11
-
Criteria for Selecting Subsystem Configuration in Creating Large-Scale OXCs Reviewed
Yasuhiro Tanaka, Hiroshi Hasegawa, and Ken-ichi Sato
IEEE/OSA J. Opt. Commun. Netw. Vol. 7 ( 10 ) page： 1009-1017 2015.10
-
Shared protected grouped optical path routing network design employing iterative path group relocation Reviewed
T. Isikawa, Y. Mori, H. Hasegawa, and K. Sato
2015 7th International Workshop on Reliable Networks Design and Modeling (RNDM2015) page： 78 - 84 2015.10
-
Pre-Adjustment Rerouting for Wavelength Defragmentation in Optical Transparent WDM Networks
Akihiro Kadohata, Atsushi Watanabe, Akira Hirano, Hiroshi Hasegawa, and Ken-ichi Sato
IEICE Transactions on Communications Vol. E98-B ( 10 ) page： 2014-2021 2015.10
-
Large-Scale Optical-Switch Prototypes Utilizing Cyclic Arrayed-Waveguide Gratings for Datacenters Reviewed
K. Ueda, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe
IEEE Journal of Lightwave Technology ( 99 ) page： 1 2015.10
-
Novel network control scheme that can substantially reduce link and node costs simultaneously Reviewed
Y. Terada, Y. Mori, H. Hasegawa, and K. Sato
2015 European Conference on Optical Communication (ECOC2015) page： 1-3 2015.9
-
Large-scale optical switch with simplified sub-switch connections for datacenter application Reviewed
K. Ueda, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe
2015 International Conference on Photonics in Switching (PS2015) page： 351-353 2015.9
-
Cost Effective and Resilient Optical Network that Offers Seamless Network Expansion via Subsystem Modular OXCs and Inter-node Interconnection Optimization Reviewed
K. Sato, Y. Mori, H. Hasegawa, K. Sato
2015 International Conference on Photonics in Switching (PS2015) page： WeIII3-3 2015.9
-
Highly scalable and compact ROADM architecture that exploits MxN wavelength-selective switches Reviewed
M. Niwa, Y. Mori, H. Hasegawa, and K. Sato
2015 International Conference on Photonics in Switching (PS2015) page： 127 - 129 2015.9
-
Evaluation of frequency utilization enhancement with transmission-characteristics-aware grouped optical path routing Reviewed
Y. Terada, Y. Mori, H. Hasegawa, K. Sato, and T. Tanaka
2015 International Conference on Photonics in Switching (PS2015) page： 256 - 258 2015.9
-
Impairment-aware optical multicast tree design with modulation format optimization Reviewed
S. Deb, H. Hasegawa, Y. Mori, and K. Sato
2015 International Conference on Photonics in Switching (PS2015) page： 250 - 252 2015.9
-
Comparison of OXC Node Architectures for WDM and Flex-Grid Optical Networks Invited Reviewed
J. Wu, S. Suburamaniam, and H. Hasegawa
24th International Conference on Computer Communication and Networks (ICCCN2015) page： 1-8 2015.8
-
Grouped Routing仮想光リンクを導入した大規模光パスネットワークの動的コントロール
伊東優作・森洋二郎・長谷川浩・佐藤健一
信学技報 Vol. 115 ( 204 ) page： 49-53 2015.8
-
機械学習制御に基づくルータの低消費電力化
川瀬弘嗣・森洋二郎・長谷川浩・佐藤健一
信学技報 Vol. 115 ( 204 ) page： 31-35 2015.8
-
Wavelength Path Signalling for WSS/WBSS Combined Optical Switches in Hierarchical Optical Networks Reviewed
T. Miyazawa, T. Hirayama, H. Harai, K. Ueda, Y. Mori, H. Hasegawa, K. Sato
ICTON2015 page： - 2015.7
-
Path Accommodation Design and Reconfiguration for Different Reliability Classes in Virtualized Multi-layer Transport Network Reviewed
A. Kadohata, T. Tanaka, A. Watanabe, A. Hirano, H. Hasegawa, and K. Sato
OECC2015 page： JTuB.24 2015.6
-
Experimental Demonstration of Multi-Granular Optical-Path Network Utilizing Wavelength/Waveband-Selective Switches Reviewed
K. Ueda, M. Niwa, Y. Mori, H. Hasegawa, K. Sato, T. Miyazawa and H. Harai
OECC2015 page： JThB.15 2015.6
-
OFC2015報告：光ネットワーク関連 Invited
長谷川 浩・森 洋二郎・佐藤 健一
信学技報 ( OCS2015-3/OPE2015-3 ) page： 9-12 2015.6
-
Experimental verification of highly scalable OXC that consists of subsystem-modular express-switch part and multicast-switch-based add/drop part enabling total throughput of 314 Tbps Reviewed Open Access
Shoichi Takashina, Hiroto Ishida, Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, and Toshio Watanabe
OSA Optics Express Vol. 23 ( 11 ) page： 14796-14805 2015.6
-
Flexible Waveband Routing Optical Networks Reviewed
H. Hasegawa, S. Subramaniam, and K. Sato
ICC2015 page： ONS 2015.6
-
Experimental verification of highly scalable OXC that consists of subsystem-modular express-switch part and multicast-switch-based add/drop part enabling total throughput of 314 Tbps Reviewed Open Access
Shoichi Takashina, Hiroto Ishida, Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, and Toshio Watanabe
OSA Optics Express Vol. 23 ( 11 ) page： 14796-14805 2015.6
-
Hardware Scale and Performance Evaluation of Compact Sub-system Modular OXC that Adopts Tailored Add/Drop Architecture Reviewed
Hiroto Ishida, Hiroshi Hasegawa, and Ken-ichi Sato
IEEE/OSA Journal of Optical Communications and Networking Vol. 7 ( 6 ) page： 586-595 2015.6
-
Path Accommodation Design and Reconfiguration for Different Reliability Classes in Virtualized Multi-layer Transport Network Reviewed
A. Kadohata, T. Tanaka, A. Watanabe, A. Hirano, H. Hasegawa, and K. Sato
OECC2015 page： JTuB.24 2015.6
-
Experimental Demonstration of Multi-Granular Optical-Path Network Utilizing Wavelength/Waveband-Selective Switches Reviewed
K. Ueda, M. Niwa, Y. Mori, H. Hasegawa, K. Sato, T. Miyazawa and H. Harai
OECC2015 page： JThB.15 2015.6
-
Optimal Nonuniform Wavebanding in WDM Mesh Networks Reviewed
J. Wu, S. Suburamaniam, and H. Hasegawa
ONDM2015 page： S5.3 2015.5
-
Resilient Grouped Routing Optical Networks With Finely Granular Protection Reviewed
H. Hasegawa, Y. Mori, and K. Sato
ONDM2015 page： S7.3 2015.5
-
Integrity Enhancement of Flexible/Semi-flexible Grid Networks that Minimizes Disruption in Spectrum Defragmentation and Bitrate-Dependent Blocking Reviewed
Z. Shen, H. Hasegawa, and K. Sato
IEEE/OSA Journal of Optical Communications and Networking Vol. 7 ( 4 ) page： 235-247 2015.4
-
データセンタ内ネットワークに適した大規模光スイッチ構成
上田恒・森洋二郎・長谷川浩・佐藤健一・渡辺俊夫
第11回PN研究会学生ワークショップ page： 7-10 2015.3
-
2段階ルーティング光クロスコネクトノードの性能評価
岡孝一郎・長谷川浩・佐藤健一
電子情報通信学会2015年総合大会 page： B-12-5 2015.3
-
将来のシステム更新に適応するエラスティック光パスネットワーク動的制御法
草野太希・沈志舒・長谷川浩・佐藤健一
電子情報通信学会2015年総合大会 page： B-12-22 2015.3
-
繰り返し再配置に基づく高信頼粗粒度ルーティング光パスネットワーク設計法
石川智啓・森洋二郎・長谷川浩・佐藤健一
電子情報通信学会2015年総合大会 page： B-12-14 2015.3
-
Large Scale Optical Cross-connect: architecture, performance analysis, and feasibility demonstration Invited Reviewed
H. Hasegawa and K. Sato
OFC2015 page： W3J.1 2015.3
-
Residual Capacity Aware Dynamic Control of GRE-based Routing Optical Path Networks under Traffic Growth Model Reviewed
Y. Terada, Y. Mori, H. Hasegawa, and K. Sato
OFC2015 page： Th1I.6 2015.3
-
Large-Scale Optical-switch Prototype Compactly Implemented with Novel Functional Configuration Reviewed
K. Ueda, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe
OFC2015 page： W3D.1 2015.3
-
Highly Scalable Subsystem Modular OXC Nodes that Host Tailored Add/drop Mechanism Reviewed
H. Ishida, H. Hasegawa and K. Sato
OFC2015 page： Th2A.47 2015.3
-
Demonstration of Large-Port-Count and Compact ROADM that Exhibits Virtual-C/D/C Performance Reviewed
S. Takashina, H. Ishida, Y. Mori, H. Hasegawa, and K. Sato
OFC2015 page： W3J.6 2015.3
-
A Novel Routing and Frequency Slot Assignment Scheme that Can Adapt to Transmission Speed Migration Reviewed
Z. Shen, T. Kusano, H. Hasegawa, and K. Sato
OFC2015 page： W1I.2 2015.3
-
Performance analysis of large-scale OXC that enables dynamic modular growth Reviewed Open Access
Yasuhiro Tanaka, Hiroshi Hasegawa, and Ken-ichi Sato
OSA Optics Express Vol. 23 ( 5 ) page： 5994-6006 2015.3
-
階層化光ネットワークにおけるWSS/WBSS混合光スイッチのための波長パスシグナリング実験
宮澤高也・平山孝弘・原井洋明・上田恒・森洋二郎・長谷川浩・佐藤健一
信学技報 ( PN2014-98 ) page： 121-126 2015.3
-
Grouped Routingに基づく高周波数利用効率ネットワーク
寺田佑貴・森洋二郎・長谷川浩・佐藤健一
信学技報 ( PN2014-90 ) page： 75-80 2015.3
-
Wavelength-Tunable Filters Utilizing Arrayed Waveguide Gratings for Colorless/Directionless/Contentionless Optical Signal Drop in ROADMs Reviewed
S. Takashina, Y. Mori, H. Hasegawa, K. Sato, T. Watanabe
IEEE Photonics Journal Vol. 7 ( 1 ) page： article no. 7100511 2015.2
-
Router power reduction by active performance control realized with support vector machines Reviewed
H. Kawase, H. Hasegawa, and K. Sato
ICNC2015 page： 530-535 2015.2
-
Wavelength-tunable filter utilizing non-cyclic arrayed waveguide grating to create colorless, directionless, contentionless ROADMs Reviewed
M. Niwa, S. Takashina, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe
Proc. SPIE 9388, Optical Metro Networks and Short-Haul Systems VII, 938807 (February 7, 2015) 2015.2
-
A novel optical path routing network that combines coarse granularity optical multicast with fine granularity add/drop and block Reviewed
M. M. Soares, Y. Mori, H. Hasegawa and K. Sato
Proc. SPIE 9388, Optical Metro Networks and Short-Haul Systems VII, 93880O (February 7, 2015); 2015.2
-
スケーラブルな大規模光クロスコネクト構成技術 Invited
長谷川浩・佐藤健一
第35回レーザー学会年次大会 page： G.11aVI.3 2015.1
-
スケーラブルな大規模低損失かつ低消費電力なアレイ導波路回折格子型波長可変フィルタ光クロスコネクト構成技術
丹羽真規・高科翔一・森洋二郎・長谷川浩・佐藤健一
第35回レーザー学会年次大会 page： G.11pVI.3 2015.1
-
共有型プロテクションを導入した粗粒度ルーティング光パスネットワーク
石川智啓・森洋二郎・長谷川浩・佐藤健一
第一回Japan Photonic Network デザインコンテスト page： 25-28 2014.11
-
信号帯域幅毎の設定目標周波数を導入した光パス経路・周波数スロット割当法
草野太希・沈志舒・長谷川浩・佐藤健一
電子情報通信学会2014年ソサイエティ大会 page： B-12-11 2014.9
-
Impact of Branching in Grouped Routing Optical Networks in a Dynamic Scenario
Mauro Soares, Hiroshi Hasegawa, Ken-ichi Sato
IEICE 2014 Society Conference page： B-12-13 2014.9
-
準フレキシブルグリッドネットワークにおけるパス再配置の効果
沈志舒・長谷川浩・佐藤健一
電子情報通信学会2014年ソサイエティ大会 page： B-12-12 2014.9
-
Verification of High Frequency Spectrum Utilization in Grouped Optical Path Routing Networks under Traffic Growth Scenario Reviewed
Y. Terada, Y. Mori, H. Hasegawa, and K. Sato
European Conference on Optical Communications (ECOC2014) page： We.3.5.1 2014.9
-
Novel Large-port-count Optical-switch Architecture for Optical Interconnection in Datacenter Reviewed
K. Ueda, Y. Mori, H. Hasegawa, K. Sato and T. Watanabe
European Conference on Optical Communications (ECOC2014) page： We.3.5.1 2014.9
-
Low-loss and Low-power-consumption Wavelength TunableFilter Enabling Colorless/Directionless/Contentionless Optical Drop in ROADMs Reviewed
S. Takashina, Y. Mori, H. Hasegawa, K. Sato and T. Watanabe
European Conference on Optical Communications (ECOC2014) page： We.3.5.2 2014.9
-
周回性アレイ導波路回折格子を用いた光スイッチの最適設計
上田恒・森洋二郎・長谷川浩・佐藤健一
信学技報 ( PN2014-19 ) page： 49-54 2014.9
-
Blocking Performance of Multi-Stage Routing Optical Path Networks Reviewed
Hai-Chau Le, Hiroshi Hasegawa, Ken-ichi Sato
OECC/ACOFT2014 page： TU6A-6 2014.7
-
Design of Reliable Optical Path Networks that Consist of Large Scale Subsystem-Modular OXC Nodes Reviewed
K. Sato, H. Hasegawa and K. Sato
OECC/ACOFT2014 page： MO1A-3 2014.7
-
Dynamic Control of Optical Path Networks by Utilizing Adaptive Wavelength Grouping and Link Fiber Selection Reviewed
K. Oka, H. Hasegawa, and K. Sato
Photonics in Switching 2014 page： PM4C.2 2014.7
-
Optimum Power-budget Allocation for Large-scale Optical Switches Utilizing Cyclic Arrayed Waveguide Gratings Reviewed
K. Ueda, Y. Mori, H. Hasegawa, and K. Sato
Photonics in Switching 2014 page： JT5C.3 2014.7
-
Disruption Minimized Spectrum Defragmentation and Equalization of Bitrate Dependent Blocking in Semi-flexible Grid Networks Reviewed
Z. Shen, H. Hasegawa, and K. Sato
Photonics in Switching 2014 page： PW1B.2 2014.7
-
Cost Effective and Reliable Networking that Utilizes Subsystem Modular OXC Nodes
K. Sato, H. Hasegawa and K. Sato
WINS Workshop 2014 page： - 2014.7
-
A Novel Semi-flexible Grid Network Utilizing Aligned Frequency Slot Assignment
Z. Shen, H. Hasegawa, and K. Sato
WINS Workshop 2014 page： - 2014.7
-
Grouped Routingによるファイバ周波数利用効率の向上
寺田佑貴・森洋二郎・長谷川浩・佐藤健一
信学技報 Vol. 114 ( 109 ) page： 1-5(PN2014-1) 2014.6
-
A Novel Flexible Grid/Semi-flexible Grid Optical Path Network Design Algorithm that Reserves Exclusive Frequency Slots for High Bitrate Signals Reviewed
Z. Shen, H. Hasegawa, and K. Sato
ONDM2014 page： S10.3 2014.5
-
Design of Grouped Routing Entity (GRE)-based Optical Networks with 100% Signal Quality Guarantee Reviewed
A. Jirattigalachote, Y. Taniguchi, T. Ban, P. Monti, L. Wosinska, H. Hasegawa, and K. Sato
ONDM2014 page： S8.2 2014.5
-
機械学習に基づく動的性能制御によるルータの低消費電力化
川瀬弘嗣・長谷川浩・佐藤健一
電子情報通信学会2014年総合大会 page： B-7-29 2014.3
-
2段階ルーティング型光パスネットワークの動的制御
岡孝一郎・長谷川浩・佐藤健一
電子情報通信学会2014年総合大会 page： B-12-12 2014.3
-
電気クロスコネクト容量を考慮した階層化パスネットワークの動的制御
平沢佑矩・長谷川浩・佐藤健一
電子情報通信学会2014年総合大会 page： B-12-11 2014.3
-
初期割当と逐次再配置による無瞬断階層化パス再配置法
大澤尚晃・長谷川浩・佐藤健一
電子情報通信学会2014年総合大会 page： B-12-10 2014.3
-
エラスティック光パスネットワークにおける高ビットレート信号専用周波数領域を用いた信号割当法
沈志舒・長谷川浩・佐藤健一
電子情報通信学会2014年総合大会 page： B-12-5 2014.3
-
Port Count Analysis of Wavelength Routing Switch that Utilizes Cyclic AWGs
Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
IEICE General Conference 2014 page： BS-1-26 2014.3
-
Fiber Capacity Enhancement Employing Grouped Optical Path Routing
Yuki Terada, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
IEICE General Conference 2014 page： BS-1-30 2014.3
-
機械学習に基づくルータの動的性能制御による消費電力削減効果
川瀬弘嗣・長谷川浩・佐藤健一
第10回PN研究会学生ワークショップ page： 5-8 2014.3
-
サブシステムモジュラー型ノードから構成される光パスネットワークの高信頼化
佐藤晃輔・長谷川浩・佐藤健一
第10回PN研究会学生ワークショップ page： 17-20 2014.3
-
A 204.8 Tbps Throughput 64x64 Optical Cross-Connect Prototype that Allows C/D/C Add/Drop Reviewed
K. Takaha, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe
OFC/NFOEC2014 page： M2K.1 2014.3
-
階層化光パスネットワークにおける波長変換・波長群変換器の導入効果 Invited
沈志舒・長谷川浩・佐藤健一
信学技報 Vol. 113 ( 455 ) page： 43-48(PN2013-98) 2014.3
-
Performance Evaluations of Large-Scale OXC that Achieves Modular and Hitless Expansion Reviewed
Y. Tanaka, H. Hasegawa and K. Sato
OFC/NFOEC2014 page： W2A.50 2014.3
-
Fiber-nonlinearity Limitation of Transmission Distances in Ultra-dense Gridless Photonic Networks Reviewed
Y. Mori, H. Hasegawa and K. Sato
OFC/NFOEC2014 page： W2A.33 2014.3
-
Hardware Scale and Performance Evaluation of Compact OXC Add/Drop Architecture Reviewed
H. Ishida, H. Hasegawa and K. Sato
OFC/NFOEC2014 page： W1C.7 2014.3
-
Enhancement of Fiber Frequency Utilization by Employing Grouped Optical Path Routing Reviewed
Y. Terada, Y. Mori, H. Hasegawa, and K. Sato
OFC/NFOEC2014 page： W1C.6 2014.3
-
Low Crosstalk Wavelength Tunable Filter that Utilizes Symmetric and Asymmetric Mach-Zehnder Interferometers Reviewed
S. Takashina, Y. Mori, H. Hasegawa, K. Sato and T.Watanabe
OFC/NFOEC2014 page： Th3F.6 2014.3
-
低クロストークを実現したアレイ導波路回折格子型光可変フィルタの構成
高科翔一，森洋二郎，長谷川浩，佐藤健一，渡辺俊夫
レーザー学会学術講演会第34回年次大会 page： G121aVII04 2014.1
-
大規模光クロスコネクトを用いた超大容量光ノード
高羽健介，森 洋二郎，長谷川 浩，佐藤健一，渡辺俊夫
レーザー学会学術講演会第34回年次大会 page： G121aVII06 2014.1
-
Cyclic AWGを用いた大規模波長ルーティングスイッチ
上田 恒，森 洋二郎，長谷川 浩，佐藤健一
レーザー学会学術講演会第34回年次大会 page： G121aVII05 2014.1
-
A novel elastic optical path network that utilizes bitrate-specific anchored frequency slot arrangement Reviewed Open Access
Zhi-shu Shen, Hiroshi Hasegawa, Ken-ichi Sato, Takafumi Tanaka, and Akira Hirano
OSA Optics Express Vol. 22 ( 3 ) page： 3169-3179 2014.1
-
Large capacity optical networks applying multi-stage hetero-granular optical path routing Reviewed
Hai-Chau Le, Hiroshi Hasegawa, Ken-ichi Sato
Elsevier Optical Switching and Networking Vol. 11 ( A ) page： 105-112 2014.1
-
Effectiveness of Wavelength/Waveband Conversion and Its Allowable Cost Bound for Hierarchical Optical Path Networks Reviewed
Z. Shen, H. Hasegawa, and K. Sato
IEEE/OSA Journal of Optical Communications and Networking Vol. 5 ( 11 ) page： 1262-1274 2013.11
-
A comparison of large-scale selective switch-based optical cross-connects Reviewed
Hai-Chau Le, Hiroshi Hasegawa, Ken-ichi Sato
2013 International Conference on Advanced Technologies for Communications (ATC) page： 55-59 2013.11
-
人口分布に基づくトラヒックが日本版フォトニックネットワークモデルに与える影響
廣田悠介・坂野寿和・築島幸男・長谷川浩・釣谷剛宏・荒川伸一・戸出英樹
電子情報通信学会2013年ソサイエティ大会 page： B-12-8 2013.9
-
多段型波長ルーティングスイッチにおける接続最適化
長谷川 浩, 佐藤 健一
電子情報通信学会2013年ソサイエティ大会 page： B-12-3 2013.9
-
サブシステムモジュラー型光クロスコネクトノードにおけるAdd/Drop アーキテクチャのハードウェア規模削減効果
石田 寛人, 長谷川 浩, 佐藤 健一
電子情報通信学会2013年ソサイエティ大会 page： B-12-4 2013.9
-
無瞬断増設が可能なサブシステムモジュラー構成ノードアーキテクチャ
田中康寛, 長谷川 浩, 佐藤 健一
電子情報通信学会2013年ソサイエティ大会 page： B-12-5 2013.9
-
複数の周波数グリッドを導入したエラスティック光パスネットワークアーキテクチャ
沈 志舒, 長谷川 浩, 佐藤 健一
電子情報通信学会2013年ソサイエティ大会 page： B-12-6 2013.9
-
エラスティック光パスネットワークの最適化 Invited
長谷川 浩, 佐藤 健一
電子情報通信学会2013年ソサイエティ大会 page： BI-2-2 2013.9
-
A large-scale wavelength routing optical switch for data center networks Invited Reviewed Open Access
K. Sato, H. Hasegawa, T. Niwa, T. Watanabe
IEEE Communications Magazine Vol. 51 ( 9 ) page： 46-52 2013.9
-
Performance Evaluations of Large-scale OXCs that Utilize Multi-stage Hetero-granular Optical Path Switching Reviewed
Hai-Chau Le, Hiroshi Hasegawa, Ken-ichi Sato
ECOC2013 page： Th.2.E.3 2013.9
-
Subsystem Modular OXC Architecture that Achieves Disruption Free Port Count Expansion Reviewed
Y. Tanaka, Y. Iwai, H. Hasegawa, and K. Sato
ECOC2013 page： Th.2.E.4 2013.9
-
A Novel Semi-flexible Grid Optical Path Network that Utilizes Aligned Frequency Slot Arrangement Reviewed
Z. Shen, H. Hasegawa, K. Sato, T. Tanaka, and A. Hirano
ECOC2013 page： We.2.E.2 2013.9
-
Evaluation of Hardware Requirements for Largescale OXC Architecture Employing Wavelength Switching and Fiber Selection Reviewed
Toshinori Ban, Hai-Chau Le, Hiroshi Hasegawa, and Ken-ichi Sato
The 18th OptoElectronics and Communications Conference (OECC2013) page： WT2-2 2013.7
-
Development of Ultra-Compact 8x8 Waveband Cross-connect Reviewed
Kensuke Takaha, Toshinori Ban, Hiroshi Hasegawa, Kenichi Sato, Hiroshi Takahashi, and Masayuki Okuno
The 18th OptoElectronics and Communications Conference (OECC2013) page： WT2-3 2013.7
-
Performance Evaluation of Large-scale OXC Architectures that Utilize Intra-node Routing Restriction Invited Reviewed
Hai-Chau Le, Toshinori Ban, Hiroshi Hasegawa, and Ken-ichi Sato
The 18th OptoElectronics and Communications Conference (OECC2013) page： MQ2-2 2013.7
-
An efficient add/drop architecture for large-scale subsystem-modular OXC Reviewed
Hiroto Ishida, Hiroshi Hasegawa, Ken-ichi Sato
2013 15th International Conference on Transparent Optical Networks (ICTON 2013) page： We.A1.5 2013.6
-
日本の地域特性を考慮したフォトニックネットワークモデルの検討
坂野 寿和, 築島 幸男, 長谷川 浩, 釣谷 剛宏, 廣田 悠介, 荒川 伸一, 戸出 英樹
信学技報 Vol. 113 ( 91 ) page： PN2013-1(pp. 1-6) 2013.6
-
波長変換・波長群変換器の導入による階層化光パスネットワークのコスト削減効果 Open Access
沈 志舒, 長谷川 浩, 佐藤 健一
信学技報 Vol. 113 ( 91 ) page： PN2013-5(pp. 25-30) 2013.6
-
Topological Characteristic of Japan Photonic Network Model
Shin'ichi Arakawa, Toshikazu Sakano, Yukio Tukishima, Hiroshi Hasegawa, Takehiro Tsuritani, Yusuke Hirota, Hideki Tode
IEICE Technical Report Vol. 113 ( 91 ) page： PN2013-2(pp.7-12) 2013.6
-
Coarse Granular Optical Routing Networks Utilizing Fine Granular Add/Drop Reviewed Open Access
Yuki Taniguchi, Hiroshi Hasegawa, Ken-ichi Sato
IEEE/OSA Journal of Optical Communications and Networking Vol. 5 ( 7 ) page： 774 - 783 2013.6
-
Efficient Shared Protection Network Design Algorithm that Iterates Path Relocation with New Resource Utilization Metrics Reviewed
Masakazu SATO, Hiroshi HASEGAWA, and Ken-ichi SATO
IEICE Transactions on Communications Vol. E96-B ( 04 ) page： 2012EBP3354 2013.4
-
Cost Effective Optical Networks that Utilize Hetero-granular Multi-stage Routing
Hai-Chau Le, Hiroshi Hasegawa, Ken-ichi Sato
page： B-12-23 2013.3
-
A 270 X 270 Optical Cross-Connect Switch Utilizing Wavelength Routing with Cascaded AWGs Reviewed
Tomonobu Niwa, Hiroshi Hasegawa, Ken-ichi Sato
OFC/NFOEC2013 page： OTh1A.3 2013.3
-
OXC Hardware Scale Reduction Attained by Using Interconnected Subsystem Architecture Reviewed
Yuto Iwai, Hiroshi Hasegawa, and Ken-ichi Sato
OFC/NFOEC2013 page： NW1J.2 2013.3
-
Compact Integrated Tunable Filter Utilizing AWG Routing Function and Small Switches Reviewed
Tomonobu Niwa, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe, and Hiroshi Takahashi
OFC/NFOEC2013 page： OW1C.2 2013.3
-
Impact of Wavelength/Waveband Convertors and the Cost Bound in Hierarchical Optical Path Networks Reviewed
Zhi-shu Shen, Hiroshi Hasegawa, Ken-ichi Sato
OFC/NFOEC2013 page： OM3A.2 2013.3
-
Dynamic Grouped Routing Optical Networks for Cost Effective and Agile Wavelength Services Reviewed
Yuki Taniguchi, Hiroshi Hasegawa, Ken-ichi Sato
OFC/NFOEC2013 page： OM3A.5 2013.3
-
Design strategies for Survivable Grouped Routing Entity (GRE)-based Optical Networks Reviewed
Hiroshi Hasegawa, Yuki Taniguchi, Ken-ichi Sato, Amornrat Jirattigalachote, Paolo Monti, Lena Wosinska
DRCN2013 page： 148-154 2013.3
-
Performance Evaluation of Large Capacity Ultra-Compact Waveband Cross-Connect Reviewed
T. Ban, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, M. Okuno
IEEE Photonics Technology Letters Vol. 25 ( 5 ) page： 446-449 2013.3
-
Performance Evaluation of Large Capacity Ultra-compact Waveband Cross-connect Reviewed
Toshinori Ban, Kiyo Ishii, Hiroshi Hasegawa, Ken-ichi Sato, Hiroshi Takahashi, and Masayuki Okuno
IEEE Photonic Technology Letters Vol. 25 ( 5 ) page： 446-449 2013.3
-
A novel large-scale OXC architecture and an experimental system that utilizes wavelength path switching and fiber selection Reviewed Open Access
Toshinori Ban, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe, and Hiroshi Takahashi
OSA Optics Express Vol. 21 ( 1 ) page： 469-477 2013.1
-
A large-scale photonic node architecture that utilizes interconnected OXC subsystems Reviewed Open Access
Yuto Iwai, Hiroshi Hasegawa, and Ken-ichi Sato
OSA Optics Express Vol. 21 ( 1 ) page： 478-487 2013.1
-
An efficient heuristic waveband assignment algorithm for hierarchical optical path networks utilizing wavelength convertors Reviewed
Z. Shen, H. Hasegawa, and K. Sato
ELSEVIER Optical Switching and Networking Vol. 10 ( 1 ) page： 54-61 2013.1
-
PCE-based fast path control in multi-domain photonic networks Reviewed
Y. Iizawa, S. Araki, S. Ishida, I. Nishioka, K. Shimada, H. Hasegawa, K. Sato
ELSEVIER Optical Switching and Networking Vol. 10 ( 1 ) page： 32-43 2013.1
-
Impact of Elastic Optical Paths that Adopt Distance Adaptive Modulation to Create Efficient Network Reviewed
Tatsumi TAKAGI, Hiroshi HASEGAWA, Ken-ichi SATO, Yoshiaki SONE, Akira HIRANO, and Masahiko JINNO
IEICE TRANSACTIONS on Communications Vol. E95-B ( 12 ) page： (未決定) 2012.12
-
Formulation of MUX/DEMUX Functions for Multiple Input-Output Port Cyclic AWG Reviewed
Kiyo Ishii, Hiroshi Hasegawa, and Ken-ichi Sato
ACP2012 page： AS4A.4 2012.11
-
Quasi-Scheduled Optical Path Routing and Wavelength Assignment That Uses Expected Traffic Variation Reviewed
Naoaki Osawa, Hiroshi Hasegawa, and Ken-ichi Sato
ACP2012 page： AS2D.4 2012.11
-
Design of Optical Path Networks Employing Large-capacity WSS/WBSS-Combined Optical Cross-connects Reviewed
Hai Chau Le, Hiroshi Hasegawa, and Ken-ichi Sato
ACP2012 page： AF4A.49 2012.11
-
Efficient Routing Strategies for Interconnected Small Scale OXC Sub-System Networks Reviewed
Yuto Iwai, Hiroshi Hasegawa, and Ken-ichi Sato
ACP2012 page： ATh2D.2 2012.11
-
Performance Evaluation of Large-Scale OXC Architecture Employing Wavelength Path Switching and Fiber Selection Reviewed
Toshinori Ban, Hiroshi Hasegawa, and Ken-ichi Sato
ACP2012 page： ATh2D.4 2012.11
-
A Novel Large-Scale Wavelength Routing Switch Configuration Exploiting Small Arrayed Waveguide Gratings Reviewed
Tomonobu Niwa, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe, and Hiroshi Takahashi
ACP2012 page： ATh2C.4 2012.11
-
Evaluations of OXC Hardware Scale and Network Resource Requirements of Different Optical Path Add/Drop Ratio Restriction Schemes Reviewed
Fumisato Naruse, Yoshiyuki Yamada, Hiroshi Hasegawa, and Ken-ichi Sato
IEEE/OSA Journal of Optical Communications and Networking Vol. 4 ( 11 ) page： B26-B34 2012.11
-
Optical Fast Circuit Switching Networks Employing Dynamic Waveband Tunnel Reviewed
Takahiro Ogawa, Hiroshi HASEGAWA, and Ken-ichi SATO
IEICE TRANSACTIONS on Communications Vol. E95-B ( 10 ) page： (未決定) 2012.10
-
Router Power Reduction Through Dynamic Performance Control Based on Traffic Predictions Reviewed
Hiroyuki Ito, Hiroshi HASEGAWA, and Ken-ichi SATO
IEICE TRANSACTIONS on Communications Vol. E95-B ( 10 ) page： (未決定) 2012.10
-
Performance evaluation of optical path networks utilizing waveband selective switch-based cross-connects Reviewed
H. -C. Le, T.-B. Nguyen, H. Hasegawa, and K. Sato
2012 International Conference on Advanced Technologies for Communications (ATC) page： 323-326 2012.10
-
Shared Protected Elastic Optical Path Network Design That Applies Iterative Re-Optimization Based on Resource Utilization Efficiency Measures Reviewed
Shun Kosaka, Hiroshi Hasegawa, Ken-ichi Sato, Takafumi Tanaka, Akira Hirano, Masahiko Jinno
38th European Conference and Exhibition on Optical Communication (ECOC2012) page： Tu.4.D.5 2012.9
-
Large-Scale Photonic Node Architecture That Utilizes Interconnected Small Scale Optical Cross-Connect Sub-Systems Reviewed
Yuto Iwai, Hiroshi Hasegawa, Ken-ichi Sato
38th European Conference and Exhibition on Optical Communication (ECOC2012) page： We.3.D.3 2012.9
-
A Novel Large-Scale OXC Architecture That Employs Wavelength Path Switching and Fiber Selection Reviewed
Toshinori Ban, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe, Hiroshi Takahashi
38th European Conference and Exhibition on Optical Communication (ECOC2012) page： We.3.D.1 2012.9
-
Hardware Scale Reduction in Large-Port Count OXCs Exploiting Selective Switch based Coarse Granular Routing Reviewed
Yuki Taniguchi, Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato
Photonic in Switching 2012 (PS2012) page： We-S31-O03 2012.9
-
Impairment-Aware Multicast Tree Design for Hierarchical Optical Path Networks Reviewed
Yusuke Hachisuka, Hiroshi Hasegawa, Ken-ichi Sato
Photonic in Switching 2012 (PS2012) page： Th-S33-O08 2012.9
-
Effectiveness of Waveband Conversion for Hierarchical Optical Path Networks and the Allowable Cost Bound Reviewed
Zhi-shu Shen, Hiroshi Hasegawa, Ken-ichi Sato
Photonic in Switching 2012 (PS2012) page： Th-S34-O10 2012.9
-
Compact Tunable Filter Realized with Combination of Wavelength Routing and Switch Function Reviewed
Tomonobu Niwa, Hiroshi Hasegawa and Ken-ichi Sato
Photonic in Switching 2012 (PS2012) page： Th-S23-O06 2012.9
-
A Large Capacity Optical Cross-connect Architecture Exploiting Multi-Granular Optical Path Routing Reviewed
Hai-Chau Le, Hiroshi Hasegawa, Ken-chi Sato
Photonic in Switching 2012 (PS2012) page： Fr-S26-O14 2012.9
-
波長グループ化とファイバ選択に基づく大規模光クロスコネクトアーキテクチャ,
坂俊憲, 長谷川 浩, 佐藤健一,
電子情報通信学会2012年ソサイエティ大会予稿集 page： B-12-9 2012.9
-
トラフィック変動予測を利用した初期割当及び予測誤差に対応した追加割当による2段階光パス波長経路設定法
大澤尚晃, 長谷川 浩, 佐藤健一,
電子情報通信学会2012年ソサイエティ大会予稿集 page： B-12-8 2012.9
-
トラフィック変動予測に基づくリンク容量の動的制御によるネットワーク低消費電力化
早川和希, 長谷川 浩, 佐藤健一
電子情報通信学会2012年ソサイエティ大会予稿集 page： B-7-48 2012.9
-
トラフィック変動予測情報を用いた光パス波長経路ケジューリング法におけるパラメータ依存性
大澤 尚晃, 長谷川 浩, 佐藤 健一
電子情報通信学会 第8回PN研究会学生ワークショップ予稿集 page： 21-23 2012.8
-
Impact of Optical Transparent Reach on the Performance of Translucent Multi-granular Optical Path Networks Reviewed
Hai-Chau Le, Hiroshi Hasegawa, Ken-chi Sato
The Fourth International Conference on Communications and Electronics 2012 (ICCE2012) page： CN1-3 2012.8
-
Design of bandwidth abundant photonic networks that utilize flexible/multi-granular optical path routing Invited Reviewed
Hiroshi Hasegawa and Ken-ichi Sato
2012 17th Opto-Electronics and Communications Conference (OECC2012) page： 3A2-5 2012.7
-
Optical Node Architectures That Utilize Dedicated Add/Drop Switches to Realize Colorless, Directionless and Contentionless Capability Reviewed
Yoshiyuki YAMADA, Hiroshi HASEGAWA, Ken-ichi SATO
IEICE TRANSACTIONS on Communications Vol. E95-B ( 4 ) page： 1307-1316 2012.4
-
受信ノード群間の一般化包含関係を用いた波長群マルチキャストネットワーク設計法
蜂須賀 悠介, 長谷川 浩, 佐藤 健一
電子情報通信学会 第7回PN研究会学生ワークショップ 予稿集 page： 17-20 2012.3
-
トラフィック変動予測情報を用いた光パスの動的経路・波長制御法
大澤 尚晃, 長谷川 浩, 佐藤 健一
電子情報通信学会 第7回PN研究会学生ワークショップ 予稿集 page： 21-24 2012.3
-
[奨励講演]Colorless, Directionless, Contentionless機能を考慮したAdd/Drop分離型光ノードアーキテクチャ Invited
山田 祥之, 長谷川 浩, 佐藤 健一
電子情報通信学会技術研究報告 フォトニックネットワーク研究会 Vol. 111 ( PN-475 ) page： PN2011-88, pp. 37-41 2012.3
-
Impairment-Aware Routing and Waveband Assignment for Efficient Optical Transport Networks Reviewed
Amornrat Jirattigalachote, Yoshiyuki Yamada, Cicek Cavdar, Paolo Monti, Lena Wosinska, Hiroshi Hasegawa, Ken-ichi Sato
Optical Fiber Communication Conference and Exposition and National Fiber Optic Engineers Conference (OFC/NFOEC2012) page： OW3A.2 2012.3
-
Compact Wavelength Tunable Filter Fabricated on a PLC Chip That Construct Colorless/Directionless/Contentionless Drop Function in Optical Cross-Connect Reviewed
Tomonobu Niwa, Ryosuke Hirako, Hiroshi Hasegawa, Ken-ichi Sato, Masayuki Okuno, Toshio Watanabe
Optical Fiber Communication Conference and Exposition and National Fiber Optic Engineers Conference (OFC/NFOEC2012) page： OTh3D.6 2012.3
-
Evaluations of Different Optical Path Add/Drop Ratio Restriction Schemes on OXC Hardware Scale and Network Resource Requirement Reviewed
Fumisato Naruse, Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato
Optical Fiber Communication Conference and Exposition and National Fiber Optic Engineers Conference (OFC/NFOEC2012) page： OTh1A.5 2012.3
-
Colorless/Directionless/Contentionless Optical Add/Drop Architecture Applying Waveband Technologies and Colorless MUX/DEMUX Reviewed
Yoshiyuki Yamada, Ryosuke Hirako, Hiroshi Hasegawa, Ken-ichi Sato
Optical Fiber Communication Conference and Exposition and National Fiber Optic Engineers Conference (OFC/NFOEC2012) page： JTh2A.44 2012.3
-
A Novel Optical Networking Scheme Utilizing Coarse Granular Optical Routing and Fine Granular Add/Drop Reviewed
Yuki Taniguchi, Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato
Optical Fiber Communication Conference and Exposition and National Fiber Optic Engineers Conference (OFC/NFOEC2012) page： JW2A.2 2012.3
-
Virtual Fiber Networking and Impact of Optical Path Grooming on Creating Efficient Layer One Services Reviewed
Fumisato NARUSE, Yoshiyuki YAMADA, Hiroshi HASEGAWA, Ken-ichi SATO
IEICE TRANSACTIONS on Communications (Special Section on New/Next Generation Photonic Networking and Future Networks) Vol. E95-B ( 3 ) page： 723-729 2012.3
-
事前予約情報に基づく階層化パスネットワークの動的制御
遠藤 慎也, 長谷川 浩, 佐藤 健一
電子情報通信情報学会2012年総合大会 page： B-12-8 2012.3
-
周波数資源の逐次最小化に基づく共有プロテクション型エラスティック光パスネットワーク設計法
小坂 駿, 長谷川 浩, 佐藤 健一
電子情報通信情報学会2012年総合大会 page： B-12-22 2012.3
-
波長リソースおよびファイバ使用率の繰り返し最適化に基づく共有型光パスプロテクションネットワーク設計法
佐藤 正和, 長谷川 浩, 佐藤 健一
電子情報通信情報学会2012年総合大会 page： B-12-21 2012.3
-
経路優先度事前計算に基づく準集中制御型経路波長割当法の性能評価
大野 寛明, 長谷川 浩, 佐藤 健一
電子情報通信情報学会2012年総合大会 page： B-12-20 2012.3
-
小規模光クロスコネクトのスタック構成を用いた大容量フォトニックノード
岩井 祐斗, 長谷川 浩, 佐藤 健一
電子情報通信情報学会2012年総合大会 page： B-12-9 2012.3
-
Coarse Granular Routing Optical Networks for Future Optical Services Invited
H. Hasegawa and K. Sato
Proceedings of IWOO2011(6th International Workshop on OPS & OCDMA) page： 24 2011.12
-
Impact of electrical grooming and regeneration of wavelength paths in creating hierarchical optical path networks Reviewed Open Access
H.C. Le, H. Hasegawa, and K. Sato
OSA Optics Express Vol. 19 ( 26 ) page： 882-894 2011.12
-
Hybrid hierarchical optical path network design algorithms utilizing ILP optimization Invited Reviewed
L. H. Chau, H. Hasegawa, K. Sato
Elsevier, Optical Switching and Networking Vol. 8 ( 4 ) page： 226-234 2011.12
-
A dynamic and quasi-centralized path control method employing traffic-prediction-based route pre-prioritization Invited Reviewed
H. Ohno, H. Hasegawa, K. Sato
Elsevier, Optical Switching and Networking Vol. 8 ( 4 ) page： 242-248 2011.12
-
Multi-domain path control system for large-scale photonic networks Reviewed
S. Araki, H. Hasegawa, and K. Sato
ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011) page： CD-ROM 2011.11
-
Design algorithm of waveband multicast tree in hierarchical optical path networks that utilizes grouping of destination node sets Reviewed
Y. Hachisuka, H. Hasegawa, and K. Sato
ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011) page： CD-ROM 2011.11
-
Design of hierarchical optical path networks that utilize wavelength conversion and evaluation of the allowable cost bound Reviewed
Z. Shen, H. Hasegawa, and K. Sato
ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011) page： CD-ROM 2011.11
-
Efficient Iterative Design Algorithm for Enhancing Resource Utilization of Shared Protected Optical Path Networks Reviewed
Masakazu Sato, Hiroshi Hasegawa, Ken-Ichi Sato
2011 8th International Workshop on the Design of Reliable Communication Networks (DRCN2011) page： 102-109 2011.11
-
Compact Hierarchical Optical Cross-Connect Utilizing Newly Designed Waveband Selective Switch with Extra Ports for Grooming Reviewed
Ryosuke Hirako, Kiyo Ishii, Hiroshi Hasegawa, Ken-ichi Sato, Hiroshi Takahashi, Masayuki Okuno
ECOC2011 page： Th.12.A.4 2011.9
-
Impact of Electrical Grooming and Regeneration of Wavelength Paths in Creating Hierarchical Optical Path Networks Reviewed Open Access
Hai-Chau Le, Hiroshi Hasegawa, Ken-ichi Sato
ECOC2011 page： We.8.K.2 2011.9
-
Disruption Minimized Spectrum Defragmentation in Elastic Optical Path Networks That Adopt Distance Adaptive Modulation Reviewed
Tatsumi Takagi, Hiroshi Hasegawa, Ken-ichi Sato, Yoshiaki Sone, Akira Hirano, Masahiko Jinno
ECOC2011 page： Mo.2.K.3, 2011.9
-
Development of Hierarchical Optical Path Cross-Connect Systems Employing Wavelength/Waveband Selective Switches Reviewed
Kiyo Ishii, Shin-ichi Mitsui, Hiroshi Hasegawa, Ken-ichi Sato, Shin Kamei, Masayuki Okuno, and Hiroshi Takahashi
J. OPT. COMMUN. NETW. Vol. 3 ( 7 ) page： 559-567 2011.7
-
Development of Single PLC-Chip Waveband Selective Switch that Has Extra Ports for Grooming and Termination Reviewed
R. Hirako, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno
OECC2011 page： 7E1_4 2011.7
-
Development of Large Capacity Ultra-compact Waveband Cross-connect Reviewed
T. Ban, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno
OECC2011 page： 6A1_2 2011.7
-
効率的なグルーミング率制約を実現する階層型光クロスコネクトノードアーキテクチャ Open Access
平光亮介, 石井紀代, 長谷川浩, 佐藤健一, 高橋浩, 奥野将之
電子情報通信学会技術研究報告 フォトニックネットワーク研究会 Vol. 111 ( 93 ) page： PN2011-11, pp. 55-60 2011.6
-
Compact matrix-switch-based hierarchical optical path cross-connect with colorless waveband add/drop ratio restriction Reviewed Open Access
R. Hirako, H. Hasegawa, K. Sato, and M. Okuno, and O. Moriwaki
IEICE Trans. Commun. Vol. E94-B ( 4 ) page： 918-927 2011.4
-
平滑化とGeneralized Gravityによる交流トラフィック行列の推定法
白紅霞, 長谷川 浩, 佐藤健一
電子情報通信学会 フォトニックネットワーク研究会学生ワークショップ page： 21-22 2011.3
-
複数ファイバによりリンクが構成されるネットワークにおけるトラフィック分布予測情報を用いた適応的光パス制御法
大野寛明, 長谷川 浩, 佐藤健一
電子情報通信学会 フォトニックネットワーク研究会学生ワークショップ page： 17-20 2011.3
-
Novel Hierarchical Optical Cross-Connect Architecture Utilizing Dedicated Add/Drop Switches That Effectively Offer Colorless and Directionless Capability Reviewed
Y.Yamada, H.Hasegawa, and K.Sato
OFC/NFOEC 2011 page： OThR6 2011.3
-
大粒度ルーティング光パスネットワークにおけるグルーミング率の分布解析
山田 祥之, 長谷川 浩, 佐藤 健一
電子情報通信学会 フォトニックネットワーク研究会学生ワークショップ page： 7-9 2011.3
-
トラフィック分布予測情報を用いた適応的光パスネットワーク制御法における探索経路数への依存性
大野寛明, 長谷川 浩, 佐藤健一
電子情報通信学会 フォトニックネットワーク研究会学生ワークショップ page： 5-6 2011.3
-
大粒度ルーティング光パスネットワークにおける中間グルーミング導入の効果
山田 祥之, 長谷川 浩, 佐藤 健一
電子情報通信学会 フォトニックネットワーク研究会 技術研究報告 ( PN2010-14 ) page： 13-17 2011.3
-
超小型波長群クロスコネクトの特性評価
坂俊憲,石井紀代,長谷川浩,佐藤健一,高橋浩,奥野将之
電子情報通信情報学会2011年総合大会 page： B-12-18 2011.3
-
多段選択型チューナブルフィルタによるOXCノードColorless/Directionless/Contentionlessドロップ機能の実現
丹羽朝信,平光亮介,長谷川浩,佐藤健一
電子情報通信情報学会2011年総合大会 page： B-12-17 2011.3
-
高速光回線交換におけるトラフィック分布に応じた波長群幅可変化の効果
谷口侑磯,小川貴弘,長谷川浩,佐藤健一
電子情報通信情報学会2011年総合大会 page： B-12-14 2011.3
-
階層化光パスネットワークにおける波長群マルチキャスト配信
蜂須賀悠介,長谷川浩,佐藤健一
電子情報通信情報学会2011年総合大会 page： B-12-13 2011.3
-
波長変換を考慮した多階層光パスネットワークの設計法
沈志舒,長谷川浩,佐藤健一
電子情報通信情報学会2011年総合大会 page： B-12-12 2011.3
-
繰り返し設計による予備リソース共用度向上を図る共有型光パスプロテクションネットワーク設計法
佐藤正和,長谷川浩,佐藤健一
電子情報通信情報学会2011年総合大会 page： B-12-11 2011.3
-
ルータ性能の動的制御による低消費電力化とパケット棄却率推定法
伊藤弘行,長谷川浩,佐藤健一
電子情報通信情報学会2011年総合大会 page： B-7-20 2011.3
-
Optical Network Design Algorithms That Consider Optical Path Add/Drop Ratio Restrictions for OXC Hardware Scale Reduction Reviewed
F.Naruse, Y.Yamada, H.Hasegawa, and K.Sato
OFC/NFOEC 2011 page： NThC3 2011.3
-
Hybrid Optical WDM Networks Utilizing Optical Waveband and Electrical Wavelength Cross-Connects Reviewed
H.-C. Le, H.Hasegawa, and K.Sato
OFC/NFOEC 2011 page： NMC3 2011.3
-
Dynamic Routing and Frequency Slot Assignment for Elastic Optical Path Networks That Adopt Distance Adaptive Modulation Reviewed
T. Takagi, H. Hasegawa, K. Sato, Y. Sone, B. Kozicki, A. Hirano, and M. Jinno
OFC/NFOEC 2011 page： OThI7 2011.3
-
Flexible and Compact Hierarchical Optical Cross-Connect Node with Waveband Add/Drop Restriction Reviewed
R. Hirako, K. Ishii, H.Hasegawa, and K.Sato
OFC/NFOEC 2011 page： OTuE5 2011.3
-
［奨励講演］波長変換・波長群変換機能を有する多階層光パスネットワークの二段階整数線形計画に基づく設計法 Invited Open Access
中野 一輝, 山田 祥之, 長谷川 浩, 佐藤 健一
電子情報通信学会技術研究報告 フォトニックネットワーク研究会 Vol. 110 ( 431 ) page： PN2010-63, pp. 41-44 2011.2
-
A dynamic path control method applying traffic-prediction-based route pre-prioritization Reviewed
H.Ohno, H.Hasegawa, and K.Sato
ACP2010 page： FQ4 2010.12
-
Ring Connecting Node Architecture Employing Variable Filter Reviewed
T.Oono, K.Ishii, H.Hasegawa, and K.Sato
ACP2010 page： ThH4 2010.12
-
Switch Scale Evaluation for Optical Cross-Connects Considering Add/Drop Ratio Restriction Reviewed
R. Hirako, K. Ishii, H.Hasegawa, and K.Sato
ACP2010 page： ThH3 2010.12
-
Hybrid Hierarchical Optical Path Network Design Algorithm with 2-stage ILP Optimization Reviewed
H.-C. Le, H.Hasegawa, and K.Sato
ACP2010 page： ThD3 2010.12
-
Hierarchical Optical Path Network Design Algorithm Considering Waveband Add/Drop Ratio Constraint Reviewed
H.-C. Le, H. Hasegawa, and K. Sato
IEEE/OSA Journal of Optical Communications and Networking Vol. 2 ( 10 ) page： 872–882 2010.10
-
マトリクススイッチを用いたコンパクトな階層化光パスクロスコネクトノード Invited
長谷川浩, 佐藤健一, 高橋浩, 奥野将之
電子情報通信学会2010年度ソサイエティ大会 page： BCI-1-4 2010.9
-
可変フィルタを用いた連接リング間接続ノード伝送試験
大野高明, 石井紀代, 長谷川浩, 佐藤健一
電子情報通信学会2010年度ソサイエティ大会 page： B-12-7 2010.9
-
トラフィック分布予測情報を用いた適応的光パスネットワーク制御法
大野寛明, 長谷川 浩, 佐藤健一
電子情報通信学会2010年度ソサイエティ大会 page： B-12-6 2010.9
-
事前予約情報を利用した階層化パスネットワークの動的制御
遠藤慎也, 長谷川浩, 佐藤健一
電子情報通信学会2010年度ソサイエティ大会 page： B-12-5 2010.9
-
繰り返しパス再配置に基づく共有型光パスプロテクションネットワーク設計法
佐藤正和, 長谷川浩, 佐藤健一
電子情報通信学会2010年度ソサイエティ大会 page： B-7-9 2010.9
-
Development of Compact Hierarchical Optical Path Cross-Connect Prototype Utilizing Integrated Colorless Multi/Demultiplexers Reviewed
Ryosuke Hirako, Kiyo Ishii, Hiroshi Hasegawa, and Ken-Ichi Sato
ECOC2010 page： We.8.A.5 2010.9
-
Algorithms for Maximizing Spectrum Efficiency in Elastic Optical Path Networks that Adopt Distance Adaptive Modulation Reviewed
T. Takagi, H. Hasegawa, K. Sato, T. Tanaka, B. Kozicki, Y. Sone, and M. Jinno
ECOC2010 page： We.8.D.5 2010.9
-
Coarse Granular Routing in Optical Path Networks and Impact of Supplemental Intermediate Grooming Reviewed
Yoshiyuki Yamada, Hiroshi Hasegawa, and Ken-Ichi Sato
ECOC2010 page： Th.10.F.1 2010.9
-
Hierarchical Optical Path Network Design for Future Peta-Bit Class Networks Invited Reviewed
H. Hasegawa, K. Sato
OECC2010 page： 9A4-1 2010.7
-
Optical Fast Circuit Switching Networks Applying Waveband Grooming Reviewed
T.Ogawa, Y.Yamada, H.Hasegawa, K.Sato
The 9th International Conference on Optical Internet (COIN2010) page： WeB1-4 2010.7
-
K.Shimada, S.Araki, H.Hasegawa, K.Sato, “A Dynamic Routing Algorithm for Multi-Domain Photonic Networks using Maximum Flow Information between Domain Boundaries Reviewed
K.Ishii, H.Hasegawa, K.Sato, M.Okuno, H.Takahashi
The 9th International Conference on Optical Internet (COIN2010) page： TuC2-4 2010.7
-
Performance Test of Ultra-Compact Waveband Cross-Connect Module Reviewed
K.Ishii, H.Hasegawa, K.Sato, M.Okuno, H.Takahashi
The 9th International Conference on Optical Internet (COIN2010) page： TuC1-6 2010.7
-
Development of Hierarchical Optical Cross-Connect System for ROADM-Ring Connection Using PLC Technologies Reviewed
K. Ishii, O. Moriwaki, H. Hasegawa, K. Sato, Y. Jinnouchi, M. Okuno, H. Takahashi,
IEEE Photonics Technology Letters Vol. 22 ( 7 ) page： 498-500 2010.4
-
Adaptive Self-Reconfigurable Network to Create Cost-Effective Bandwidth-on-Demand Services Reviewed
M. Nakagawa, H. Hasegawa, K. Sato, T. Takeda, and K. Shiomoto
OFC/NFOEC2010 page： NWA2 2010.3
-
波長群変換・波長変換機能を有する多階層光パスネットワークの設計法
中野 一輝, 山田 祥之, 長谷川 浩, 佐藤 健一
電子情報通信学会技術研究報告 フォトニックネットワーク研究会 Vol. 109 ( 455 ) page： PN2009-89, pp. 19-24 2010.3
-
階層化光パスネットワークの実現コスト分析と波長変換器の導入効果
中野 一輝, 山田 祥之, 長谷川 浩, 佐藤 健一
第三回フォトニックネットワーク研究会学生ワークショップ予稿集 page： 予稿集 2010.3
-
二段階ILPによる波長群変換・波長変換を考慮した多階層光パスネットワーク設計法
中野 一輝, 山田 祥之, 長谷川 浩, 佐藤 健一
電子情報通信情報学会2010年総合大会 page： B-12-31 2010.3
-
ドメイン内フローを利用したマルチドメインフォトニックネットワーク動的光パスルーティング法
島田 康平, 荒木 壮一郎, 長谷川 浩, 佐藤 健一
電子情報通信情報学会2010年総合大会 page： B-12-29 2010.3
-
波長群パス専用線ネットワークにおける波長パスグルーミング効果
成瀬文覚, 山田祥之, 長谷川 浩, 佐藤健一
電子情報通信情報学会2010年総合大会 page： B-12-28 2010.3
-
波長群パスを導入した光回線交換ネットワーク
小川 貴弘, 山田 祥之, 長谷川 浩, 佐藤 健一
電子情報通信情報学会2010年総合大会 page： B-12-27 2010.3
-
可変フィルタを用いた連接リング間接続ノード構成
大野 高明, 石井 紀代, 長谷川 浩, 佐藤 健一
電子情報通信情報学会2010年総合大会 page： B-12-19 2010.3
-
階層化光パスネットワークノード用集積化カラーレス波長合分波器
平光 亮介, 石井 紀代, 長谷川 浩, 佐藤 健一, 高橋 浩
電子情報通信情報学会2010年総合大会 page： B-12-18 2010.3
-
PLCデバイスを用いた多階層光クロスコネクトノード装置伝送試験
野口 一人, 森脇 摂, 阪本 匡, 高橋 浩, 長谷川 浩, 佐藤 健一, 奥野 将之, 大森 保治
電子情報通信情報学会2010年総合大会 page： B-12-17 2010.3
-
ルータ性能の動的制御による低消費電力化
伊藤 弘行, 長谷川 浩, 佐藤健一
電子情報通信情報学会2010年総合大会 page： B-7-50 2010.3
-
Terabit-scale Compact Hierarchical Optical Cross-connect System Employing PLC Devices and Optical Backplane Reviewed
O. Moriwaki, K. Noguchi, H. Takahashi, T. Sakamoto, K. Sato, H. Hasegawa, M. Okuno, and Y. Ohmori
OFC/NFOEC2010 page： Post-deadline 2010.3
-
Impacts of Waveband Capacity and Waveband Add/Drop Ratio on the Performance of ROADM-Ring Connecting Hierarchical Optical Path Cross-Connects Reviewed
K. Ishii, H. Hasegawa, and K. Sato
OFC/NFOEC2010 page： NMD1 2010.3
-
Demonstration of Compact Hierarchical Optical Path Cross-Connect Utilizing Wavelength/Waveband Selective Switches Reviewed
S. Mitsui, H. Hasegawa, K. Sato, S. Kamei, H. Takahashi, and M. Okuno
OFC/NFOEC2010 page： NThF4 2010.3
-
Wavelength assignment for concatenated ROADM ring networks and switch scale reduction in concatenating node Reviewed
K. Ishii, H. Hasegawa, and K. Sato
IEEE/OSA Journal of Optical Communications and Networking Vol. 2 ( 1 ) page： 67-79 2010.2
-
A new multi-state route scheduling algorithm based on traffic prediction Reviewed
K. Obara, H. Hasegawa, K. Sato
ONDM 2010 (14th Conference on Optical Network Design and Modeling) page： P-12 2010.2
-
Impact of path granularity and operation interval on dynamic path network control Reviewed
H. Ito, H. Hasegawa, and K. Sato
ACP 2009 (Asia Communications and Photonics Conference and Exhibition 2009) page： CD-ROM 2009.11
-
Impact of waveband capacity on protected hierarchical optical path networks Reviewed
Y. Yamada, H. Hasegawa, and K. Sato
ACP 2009 (Asia Communications and Photonics Conference and Exhibition 2009) page： CD-ROM 2009.11
-
Evaluations on Physical and Optical Path Level Hierarchical Networks to Implement Optical Fast Circuit Switching Reviewed
T. Ogawa, Y. Yamada, H. Hasegawa, K. Sato
ACP 2009 (Asia Communications and Photonics Conference and Exhibition 2009) page： CD-ROM 2009.11
-
A dynamic routing algorithm for multi-domain photonic networks using averaged link load information, Reviewed
K. Shimada, S. Araki, H. Hasegawa, and K. Sato
ACP 2009 (Asia Communications and Photonics Conference and Exhibition 2009) page： CD-ROM 2009.11
-
Hierarchical Optical Path Network Design Algorithm that can Best Utilize WSS/WBSS based Cross-connects Reviewed
H.-C. Le, H. Hasegawa, K. Sato
Proc. of Photonics in Switching 2009 page： ThII2-3 2009.9
-
An Ultra-compact Waveband Cross-connect Switch Module to Create Cost-effective Multi-degree Reconfigurable Optical Node Reviewed
K. Ishii, H. Hasegawa, K. Sato, M. Okuno, S. Kamei, and H. Takahashi
Proc. of 35th European Conference on Optical Communication (ECOC2009) page： 4.2.2 2009.9
-
Efficient ROADM-ring Connecting Node Switch Architecture that Utilizes Waveband Routing and its Realization with PLC Technologies Reviewed
K.Ishii, O. Moriwaki, H. Hasegawa, K. Sato, Y. Jinnouchi, M. Okuno, and H. Takahashi
Proc. of 35th European Conference on Optical Communication (ECOC2009) page： 5.3.1 2009.9
-
Route and Wavelength/Waveband Assignment for Creation of Compact Hierarchical Optical Cross-Connect for Multi-Ring Connection Reviewed
K. Ishii, H. Hasegawa, and K. Sato
Proc. of 35th European Conference on Optical Communication (ECOC2009) page： 4.6.2 2009.9
-
Hierarchical Optical Cross-Connect Architecture that Implements Colorless Waveband Add/Drop Ratio Restriction Utilizing a Novel Wavelength Multi/Demultiplexers Reviewed
R. Hirako, K. Ishii, H. Hasegawa, K. Sato, and O. Moriwak
Proc. of Photonics in Switching 2009 page： FrII2-2 2009.9
-
Low Loss and Cost-Effective Hierarchical Optical Path Cross-Connect Switch Architecture based on WSS/WBSS Reviewed
S. Mitsui, H. Hasegawa, and K. Sato
Proc. of Photonics in Switching 2009 page： FrII2-3 2009.9
-
波長パス需要数が少ない領域における多階層光パスネットワークのコスト解析
中野，山田，長谷川，佐藤
平成21年度電気関係学会東海支部連合大会 page： O-453 2009.9
-
トラフィックデータの時間粒度がパス容量制御に与える効果 Reviewed
伊藤，長谷川，佐藤
電子情報通信学会ソサイエティ大会予稿集 page： B-7-17 2009.9
-
無瞬断でのパス再配置を考慮した動的ネットワーク制御法の効果 Reviewed
中川，長谷川，佐藤，杉山，武田，塩本
電子情報通信学会ソサイエティ大会予稿集 page： B-7-59 2009.9
-
Cyclic AWGを用いたモノリシック分散配置波長群選択スイッチ
石井紀代、長谷川浩、佐藤健一、亀井新、奥野将之，高橋浩
電子情報通信学会フォトニックネットワーク研究会技術研究報告 ( PN2009-16 ) page： 31-35 2009.8
-
波長群並びに波長パス切替によるプロテクション機能を有する高信頼化多階層光パスネットワーク
山田、長谷川、佐藤
電子情報通信学会フォトニックネットワーク研究会技術研究報告 ( PN2009-12 ) page： 7-11 2009.8
-
Cyclic AWGを用いたモノリシック波長群選択スイッチ
石井、長谷川、佐藤、亀井，高橋，奥野
電子情報通信学会 フォトニックネットワーク研究会学生ワークショップ page： 1-3 2009.3
-
Survivable Hierarchical Optical Path Networks EmployingWaveband and Wavelength Path Protection Reviewed
Y. Yamada, H. Hasegawa, K. Sato
Prof. of OFC/NFOEC 2009 page： OWY3 2009.3
-
階層化光パスネットワークにおける波長群・波長変換導入によるコスト削減効果
中野、山田、長谷川、佐藤
電子情報通信学会 フォトニックネットワーク研究会学生ワークショップ page： 31-35 2009.3
-
時変トラフィック変動予測情報を用いた動的光パス経路設定法の効果
小原圭太, 長谷川浩, 佐藤健一
電子情報通信情報学会2009年総合大会 page： B-7-33 2009.3
-
波長群パスを導入した多階層型セグメント化ネットワーク
小川貴弘, 山田祥之, 長谷川浩, 佐藤健一
電子情報通信情報学会2009年総合大会 page： B-12-3 2009.3
-
動的パスレイヤネットワーク制御におけるパス粒度の検討
伊藤弘行, 長谷川浩, 佐藤健一
電子情報通信情報学会2009年総合大会 page： B-7-80 2009.3
-
高信頼化多階層光パスネットワークにおけるロワーオーダ光パス切替方式のコスト評価
山田祥之, 長谷川浩, 佐藤健一
電子情報通信情報学会2009年総合大会 page： B-12-4 2009.3
-
マルチドメイン型フォトニックネットワークにおけるドメイン・リンク重み付けに基づく効率的な経路決定法
島田康平, 荒木壮一郎, 長谷川浩, 佐藤健一
電子情報通信情報学会2009年総合大会 page： B-7-82 2009.3
-
Cost Evaluation of Hierarchical Optical Path Networks Applying Waveband Add/Drop Ratio Constraint to Each Waveband,
Le Hai Chau, Hiroshi Hasegawa, Ken-ichi Sato
IEICE General Conference page： B-12-1 2009.3
-
全波長群パスに対するadd/drop 率を制約可能な多階層光パスクロスコネクトノード構成及び光スイッチ規模の評価
平光亮介, 石井紀代, 長谷川浩, 佐藤健一
電子情報通信情報学会2009年総合大会 page： B-12-2 2009.3
-
Hierarchical Optical Path Network Design Considering Waveband Add/Drop Ratio Restriction and Network Cost Analysis on Different Network Parameters
H-C. Le, H. Hasegawa, and K. Sato
IEICE Technical Report ( OCS2008-109 ) page： 13-18 2009.2
-
New Dynamic Network Design and Provisioning Algorithms for Broadband Connection Services Considering Fairness Reviewed
M. Nakagawa, H. Hasegawa, K. Sato, R. Sugiyama, T. Takeda, E. Oki, and K. Shiomoto
Proc. of the 13th Conference on Optical Network Design and Modelling, ONDM 2009 page： Paper #1569164809 2009.2
-
*Analysis and development of fixed and variable waveband MUX/DEMUX utilizing AWG routing functions Reviewed
S. Kakehashi, H. Hasegawa, K. Sato, O. Moriwaki, and S. Kamei
IEEE Journal of Lightwave Technology Vol. 27 ( 1 ) page： 30-40 2009.1
-
*Optical networking technologies that will create future bandwidth abundant networks Invited Reviewed
K. Sato and H. Hasegawa
IEEE/OSA Journal of Optical Communications and Networking Vol. 1 ( 2 ) page： A81-A93 2009.1
-
Hierarchical Optical Path Network Design Algorithm Considering Waveband Protection Reviewed
Y. Yamada, H. Hasegawa, and K. Sato
IEEE/OSA Journal of Lightwave Technology Vol. 27 ( 24 ) page： 5736-5748 2009
-
Optical cross-connect switch architectures for hierarchical optical path networks Reviewed
S. Kakehashi, H. Hasegawa, K. Sato, O. Moriwaki, and S. Kamei
IEICE Trans. Commun. Vol. E91-B ( 10 ) page： 3174-3184 2008.10
-
Performance evaluation of dynamic network design for provisioning of broadband connection services Reviewed
M. Nakagawa, H. Hasegawa and K. Sato
Proc. of COIN 2008 page： CD-ROM 2008.10
-
Hierarchical optical path network design algorithm considering waveband add/drop ratio constraint Reviewed
L. H. Chau, H. Hasegawa and K. Sato
Proc. of COIN 2008 page： CD-ROM 2008.10
-
Evaluation of network parameter dependencies of hierarchical optical path network cost considering waveband protection Reviewed
Y. Yamada, H. Hasegawa and K. Sato
Proc. of COIN 2008 page： CD-ROM 2008.10
-
Network segmentation and design algorithm for large-scale optical path networks based on traffic distribution information Reviewed
T. Yamamoto, H. Hasegawa, and K. Sato
Proc. of ECOC 2008 page： We.2.B.6 2008.9
-
再帰的需要探索および既設パス再最適化による共有型予備経路フォトニックネットワーク設計法
秋井，長谷川，佐藤
電子情報通信学会2008年ソサイエティ大会予稿集 page： B-7-65 2008.9
-
観測トラフィック量および一般化重力モデルに基づく時変トラフィック交流マトリクス推定法
平野，長谷川，佐藤
電子情報通信学会2008年ソサイエティ大会予稿集 page： B-7-29 2008.9
-
Selection of Waveband Add/Drop Ratio Bound for Hierarchical Optical Path Network Design
Le Hai Chau,H. Hasegawa, K. Sato
Proc. of IEICE Society Conference 2008 page： B-12-4 2008.9
-
大規模多階層光パスネットワーク設計およびGMPLS制御統合システムの実現
岡田，長谷川，佐藤
電子情報通信学会2008年ソサイエティ大会予稿集 page： B-7-66 2008.9
-
ネットワーク規模及び波長群容量に対する高信頼化多階層光パスネットワークのコスト解析
山田，長谷川，佐藤
電子情報通信学会2008年ソサイエティ大会予稿集 page： B-12-3 2008.9
-
*Optical Multicast Tree Construction Algorithm Considering SNR Constraint and 3R Regeneration Reviewed
Y. Morita, H. Hasegawa, K. Sato, Y. Sone, K. Yamada, M. Jinno
Proc. of ECOC 2008 page： We.3.A.4 2008.9
-
Monolithically Integrated Waveband Selective Switch Using Cyclic AWGs Reviewed
K. Ishii, H. Hasegawa, K. Sato Kamei, H. Takahashi, and M. Okuno
Proc. of ECOC 2008 page： Mo.4.C.5 2008.9
-
*An efficient hierarchical optical path network design algorithm based on traffic demand expression in a Cartesian produce space Reviewed
I. Yagyuu, H. Hasegawa, and K. Sato
IEEE Journal of Selected Areas in Communications (J-SAC), Supplement on Optical Communications and Networking (OCN) Vol. 26 ( 6 ) page： 22-31 2008.8
-
Hierarchical Optical Path Cross-Connect Node Architecture Using WSS/WBSS Reviewed
S. Mitsui, H. Hasegawa and K. Sato
Proc. of Photonics Switching 2008 page： S-04-1 2008.8
-
連接光リングネットワークにおける最適波長割当とノードスイッチ規模削減法
石井、長谷川、佐藤
電子情報通信学会フォトニックネットワーク研究会技術研究報告 page： 13-18 2008.6
-
Quasi-Dynamic Network Design Considering Different Service Holding Times Reviewed Open Access
K. Kanie, H.Hasegawa, and K. Sato
IEEE J-SAC Vol. 26 ( 3 ) page： 47-53 2008.4
-
SNR制約下における光パスマルチキャストツリー構築法
森田、長谷川、佐藤、曽根
電子情報通信学会2008年総合大会予稿集 page： B-7-72 2008.3
-
多階層光パスネットワーク設計法の進展
山田、長谷川、佐藤
電子情報通信学会 フォトニックネットワーク研究会学生ワークショップ page： 13-15 2008.3
-
Hierarchical Optical Path Network Design Considering Waveband Protection
Y. Yamada, H. Hasegawa, and K. Sato
IEICE Technical Report, Photonic Network Vol. 107 ( 544 ) page： 99-104 2008.3
-
WSS/WBSSを用いた多階層光パスクロスコネクトノード構成と光スイッチ規模の評価
三井、長谷川、佐藤
電子情報通信学会2008年総合大会予稿集 page： B-12-22 2008.3
-
AWGの折り返し導波路構成を用いた分散配置型波長群合分波器
梯，長谷川，佐藤，森脇
電子情報通信学会2008年総合大会予稿集 page： B-12-1 2008.3
-
Hierarchical optical path network design algorithm considering restriction on waveband add/drop ratio
Le Hai Chau,H. Hasegawa, K. Sato
Proc. of IEICE General Conference 2008 page： B-12-21 2008.3
-
トラフィックの変動予測情報を利用したフォトニックネットワークの動的経路制御法
小原、長谷川、佐藤
電子情報通信学会2008年総合大会予稿集 page： B-7-4 2008.3
-
集中制御型OBSネットワークにおける光バッファ配置決定法及び配置の評価
吉川、長谷川、佐藤
電子情報通信学会2008年総合大会予稿集 page： B-7-74 2008.3
-
*An Edge-Preserving Super-Precision for Simultaneous Enhancement of Spacial and Grayscale Resolutions Reviewed
H. Hasegawa, T.Ohtsuka, I. Yamada, and K. Sakaniwa
IEICE Trans. Fundamentals Vol. E91-A ( 2 ) page： 673-681 2008.2
-
Interleaved Waveband MUX/DEMUX Developed on Single Arrayed-Waveguide Grating Reviewed
S. Kakehashi, H. Hasegawa, K. Sato, and O. Moriwaki
Proc. of OFC/NFOEC2008 page： OThE1 2008.2
-
Cost Comparisons for Hierarchical and Single-layer Optical Path Networks Considering Waveband and Wavelength Path Protection Reviewed
Y. Yamada, H. Hasegawa, and K. Sato
Proc. of OFC/NFOEC2008 page： OThI4 2008.2
-
An RWA Algorithm for OBS Networks based on Iterative Local Optimization of Total Blocking Probability Reviewed
T. Yoshikawa, H.Nagashima, H. Hasegawa, and K. Sato
Proc. of APOC2007 page： CD-ROM 2007.11
-
Suppression of Boundary Effect and Introduction of Scale Correlation for Wavelet based Traffic Prediction Reviewed
N. Matsusue, H. Hasegawa, and K. Sato
Proc. of MMSP2007 page： CD-ROM 2007.10
-
Formulation of waveguide connection for waveband MUX/DEMUX using concatenated Arrayed-Waveguide Gratings Reviewed
S. Kakehashi, H. Hasegawa, K. Sato and O. Moriwaki
IEICE Trans. Commun. Letter Vol. E90-B ( 10 ) page： 2950–2952 2007.10
-
Simple Node Architectures for Concatenation of ROADM Rings Reviewed
K.Ishi, H. Hasegawa, and K. Sato
Proc. of ECOC2007 page： CD-ROM 2007.9
-
Waveband Selective Switch Using Concatenated AWGs Reviewed
S.Kakehashi, H. Hasegawa, K. Sato, and O.Moriwaki
Proc. of ECOC2007 page： CD-ROM 2007.9
-
一般化重力モデルと低次周期多項式近似に基づく時変トラフィック行列推定
平野 真彦, 長谷川 浩, 佐藤 健一
電子情報通信学会ソサイエティ大会予稿集 page： CD-ROM 2007.9
-
Hierarchical Optical Path Network Design Considering Waveband Protection Reviewed
Y. Yamada, H. Hasegawa, and K. Sato
Proc. of ECOC2007 page： CD-ROM 2007.9
-
ブロッキングの公平性を考慮した総ブロッキング率の繰返し最適化に基づく集中制御型OBS 波長経路割当法
吉川 友啓, 長谷川 浩, 佐藤 健一
電子情報通信学会ソサイエティ大会予稿集 page： CD-ROM 2007.9
-
セグメント間トラフィック最小化基準に基づく大規模フォトニックネットワークのセグメント分割法
山本 卓也, 長谷川 浩, 佐藤 健一
電子情報通信学会ソサイエティ大会予稿集 page： CD-ROM 2007.9
-
An RWA Algrithm for Centralized Control of OBS Network based on Minimization of Expected Total Blocking Probability
T. Yoshikawa, H. Hasegawa, and K. Sato
IEICE Tech. Report, PN page： unknown 2007.8
-
Simple Node Architectures for Connection of Two ROADM Rings Using Hierarchical Optical Path Routing Reviewed
K.Ishi, H. Hasegawa, and K. Sato
Proc. of Photonics in Switching 2007 page： CD-ROM 2007.8
-
Performance of Waveband MUX/DMUX Using Concatenated AWGS Reviewed
S. Kakehashi, H. Hasegawa, K. Sato, O. Moriwaki, S. Kamei, Y. Jinnouchi, and M. Okuno
IEEE Photonics Technology Letters Vol. 19 ( 16 ) page： 1197-1199 2007.8
-
Prospects and Challenges of Multi-Layer Optical Networks Reviewed Open Access
K.Sato and H.Hasegawa
IEICE Trans. Commun. Vol. E90-B ( 8 ) page： 1890-1902 2007.8
-
Fast Generation of Orthogonal Periodic Polynomials and Its Application to Smooth Approximation of the Internet Traffic Reviewed
H. Hasegawa, N. Matsusue, and K. Sato
Proc. OECC/IOOC2007 page： 13A2-3 2007.7
-
Wavelength Assignment for Concatenated ROADM Ring Networks and Simple Node Architecture
K.Ishii, H.Hasegawa, and K.Sato
IEICE Tech. Report, PN Vol. 107 ( 90 ) page： 13-17 2007.6
-
多階層光パスネットワークの有効性と波長群容量の評価
柳生 功, 長谷川 浩, 佐藤 健一
電子情報通信学会2007年全国大会予稿集 page： CD-ROM 2007.3
-
Quasi-Dynamic Network Design Considering Different Service Holding/Contract Terms Reviewed
K. Kanie, H. Hasegawa, and K. Sato
Proc. on OFC2007 page： JThA65 2007.3
-
Waveband MUX/DEMUX Using Concatenated AWGs -Formulation of Waveguide Connection and Fabrication Reviewed
S. Kakehashi, H. Hasegawa, K. Sato, O. Moriwaki, S. Kamei, Y. Jinnouchi, and M. Okuno
Proc. on OFC2007 page： JThA94 2007.3
-
多階層光パスを用いたOADMリング間接続ノードアーキテクチャ
石井 紀代, 長谷川 浩, 佐藤 健一
電子情報通信学会2007年全国大会予稿集 page： CD-ROM 2007.3
-
複数サービストラフィックに対する準動的フォトニックネットワーク設計
蟹江 剛一, 長谷川 浩, 佐藤 健一
電子情報通信学会2007年全国大会予稿集 page： CD-ROM 2007.3
-
分割・階層化に基づく大規模フォトニックネットワーク設計法
杉村 浩史, 長谷川 浩, 佐藤 健一
電子情報通信学会2007年全国大会予稿集 page： CD-ROM 2007.3
-
Lanczos の原理に基づく周期直交多項式生成とトラフィック特性近似への応用
松末 直也, 長谷川 浩, 佐藤 健一
電子情報通信学会2007年全国大会予稿集 page： CD-ROM 2007.3
-
アレイ導波路回折格子を用いた波長群合分波器
梯 昌二, 長谷川 浩, 佐藤 健一
電子情報通信学会2007年全国大会予稿集 page： CD-ROM 2007.3
-
Optical switch architecture for hierarchical optical path networks
S. Kakehashi, H. Hasegawa, and K. Sato
IEICE Technical Report, PN Vol. 106 ( 419 ) page： 9-12 2006.12
-
A Design of orthonormal Wavelet for analysis of stationary long memory process
H. Hasegawa, and K. Sato
IEICE Technical Report, PN Vol. 106 ( 419 ) page： 27-30 2006.12
-
An Edge-Preserving Super-Precision for Simultaneous Enhancement of Spacial and Grayscale Resolutions Reviewed
Proc of 2006 IEEE International Workshop on Multimedia Signal Processing (MMSP 2006) page： CD-ROM 2006.10
-
Studies of node architectures for hierarchical optical path networks Reviewed
S. Kakehashi, H. Hasegawa, and K. Sato
Proc. of ITCom2006 page： CD-ROM 2006.10
-
Wavelet 分解レベル間相関を用いたトラフィック予測法
松末 直也, 長谷川 浩, 佐藤 健一
電子情報通信学会ソサイエティ大会予稿集 page： unknown 2006.9
-
Waveband MUX/DEMUX Using Concatenated Arrayed-Waveguide Gratings Reviewed
S. Kakehashi, H. Hasegawa, K. Sato, and O. Moriwaki
Proc. of ECOC2006 page： CD-ROM 2006.9
-
An Efficient Hierarchical Optical Path Network Design Algorithm based on a Traffic Demand Expression in a Cartesian Product Space Reviewed
I. Yagyu, H. Hasegawa, and K. Sato
Proc. of ECOC2006 page： CD-ROM 2006.9
-
ルータコストの非線形性を考慮した大規模フォトニックネットワーク設計法
杉村 浩史, 長谷川 浩, 佐藤 健一
電子情報通信学会ソサイエティ大会予稿集 page： unknown 2006.9
-
マルチレイヤフォトニックネットワークにおける準動的設計
蟹江 剛一, 長谷川 浩, 佐藤 健一
電子情報通信学会フォトニックネットワーク研究会 page： unknown 2006.8
-
多階層光パスネットワークにおける光パス需要密度の直積空間上表現と波長群パスの逐次設定法
柳生 功, 長谷川 浩, 佐藤 健一
電子情報通信学会フォトニックネットワーク研究会 page： unknown 2006.8
-
平均ブロッキング率の局所最適解探索に基づくOBSネットワーク設計法
長嶋 秀孝, 長谷川 浩, 佐藤 健一
電子情報通信学会フォトニックネットワーク研究会 page： unknown 2006.8
-
`A Trous 変換と適応並列劣勾配射影に基づくIP トラフィック予測
渡部 克弥, 松末 直也, 長谷川 浩, 佐藤 健一
電子情報通信学会フォトニックネットワーク研究会 page： unknown 2006.5
-
大規模フォトニックネットワーク階層化アーキテクチャの検討
池田 充, 長谷川 浩, 佐藤 健一
電子情報通信学会2006年全国大会予稿集 page： CD-ROM 2006.3
-
大規模フォトニックネットワーク設計法
杉村浩史, 長谷川浩, 佐藤健一
電子情報通信学会2006年全国大会予稿集 page： CD-ROM 2006.3
-
サービスの契約/解約を考慮した準動的フォトニックネットワーク設計におけるネットワークコストの長期的変動
蟹江 剛一, 長谷川 浩, 佐藤 健一
電子情報通信学会2006年全国大会予稿集 page： CD-ROM 2006.3
-
階層化光パス網におけるノード構成の研究
梯 昌二, 長谷川 浩, 佐藤 健一
電子情報通信学会2006年全国大会予稿集 page： CD-ROM 2006.3
-
An Improvement of Convergence Speed and Image Qualityof an Adaptive Super-Resolution
T. Ono, H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of SIP Symposium 2005 page： CD-ROM 2005.11
-
An Improvement of Convergence Speed and Image Qualityof an Adaptive Super-Resolution
T. Ono, H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of SIP Symposium 2005 page： CD-ROM 2005.11
-
An Edge-Preserving Super-Precision from Multiple Quantized Images
H. Hasegawa, T. Ohtsuka, I. Yamada, and K. Sakaniwa
Proc. of SIP Symposium 2005 page： CD-ROM 2005.11
-
An Edge-Preserving Super-Precision from Multiple Quantized Images
H. Hasegawa, T. Ohtsuka, I. Yamada, and K. Sakaniwa
Proc. of SIP Symposium 2005 page： CD-ROM 2005.11
-
Segmented Network Design and Performance Evaluation forLarge Scale Transparent OXC-Based Networks Reviewed
Koshi Sugimura, Hiroshi Hasegawa, Ken-ichi Sato
Proc. of OpticsEast 2005 page： CD-ROM 2005.10
-
Segmented Network Design and Performance Evaluation for Large Scale Transparent OXC-Based Networks Reviewed
K. Sugimura, H. Hasegawa, and K. Sato
Proc. of ITCom2005 page： CD-ROM 2005.10
-
マルチレイヤフォトニックネットワークにおける準動的なトラフィック変動に対するネットワーク増設法
蟹江 剛一,長谷川 浩,佐藤 健一
電子情報通信学会2005年ソサイエティ大会予稿集 page： B12-14 2005.9
-
An Iterative MPEG Super-Resolution with an Outer Approximation of Framewise Quantization Constraint Reviewed
H. Hasegawa, T.Ono, I. Yamada, and K. Sakaniwa
IEICE Trans. Fundamentals Vol. E88-A ( 9 ) page： 2427-2435 2005.9
-
セグメント化された大規模ネットワークにおけるリソース共有プロテクション方式の研究
杉村 浩史,長谷川 浩,佐藤 健一
電子情報通信学会2005年ソサイエティ大会予稿集 page： CD-ROM 2005.9
-
Multi-layered Photonic Network Design ConsideringIncremental Traffic Growth and Different Service Contract Terms Invited Reviewed
Koichi Kanie, Hiroshi Hasegawa, Ken-ichi Sato
Proc. of 31st European Conference and Exhibition on Optical Communication (ECOC2005) page： CD-ROM 2005.9
-
マルチレイヤフォトニックネットワークにおける準動的なトラフィック変動に対するネットワーク増設法
蟹江 剛一,長谷川 浩,佐藤 健一
電子情報通信学会2005年ソサイエティ大会予稿集 page： CD-ROM 2005.9
-
Multi-layered Photonic Network Design ConsideringIncremental Traffic Growth and Different Service Contract Terms Invited Reviewed
Koichi Kanie, Hiroshi Hasegawa, Ken-ichi Sato
Proc. of 31st European Conference and Exhibition on Optical Communication (ECOC2005) page： CD-ROM 2005.9
-
セグメント化された大規模ネットワークにおけるリソース共有プロテクション方式の研究
杉村 浩史,長谷川 浩,佐藤 健一
電子情報通信学会2005年ソサイエティ大会予稿集 page： B12-15 2005.9
-
Multi-layered Photonic Network Design Considering Incremental Traffic Growth and Different Service Contract Terms Invited Reviewed
K. Kanie, H. Hasegawa, and K. Sato
Proc. of ECOC2005 page： CD-ROM 2005.9
-
A COLOR SUPER-RESOLUTION WITH MULTIPLE NONSMOOTH CONSTRAINTS BY HYBRID STEEPEST DESCENT METHOD Reviewed
R. Sasahara, H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of the The International Conference on Image Processing (ICIP2005) page： MonPmPo2-4 2005.8
-
A COLOR SUPER-RESOLUTION WITH MULTIPLE NONSMOOTH CONSTRAINTS BY HYBRID STEEPEST DESCENT METHOD Reviewed
R. Sasahara, H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of the The International Conference on Image Processing (ICIP2005) page： CD-ROM 2005.8
-
A Multidimensional Associative Memory Neural Network to Recall Nearest Pattern from Input Reviewed
H. Sun, H. Hasegawa, I. Yamada
Proc. of the IEEE International Workshop on Nonlinear Signal and Image Processing (NSIP 2005) page： CD-ROM 2005.5
-
An Adaptive Super-Resolution of Videos with Noise Information on Camera Systems Reviewed
T. Ono, H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP2005) page： CD-ROM 2005.3
-
制約付きアフィン射影法に基づくIP トラフィック予測法
渡部 克弥, 松末 直也, 長谷川 浩, 佐藤 健一
電子情報通信学会2006年全国大会予稿集 page： CD-ROM 2005.3
-
光パス需要密度の直積空間上表現と空間内探索に基づく多階層光パス網設計法
柳生 功, 長谷川 浩, 佐藤 健一
電子情報通信学会2006年全国大会予稿集 page： CD-ROM 2005.3
-
An Adaptive Super-Resolution of Videos with Noise Information on Camera Systems Reviewed
T. Ono, H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP2005) 2005
-
A Multidimensional Associative Memory Neural Network to Recall Nearest Pattern from Input Reviewed
H. Sun, H. Hasegawa, I. Yamada
Proc. of the IEEE International Workshop on Nonlinear Signal and Image Processing (NSIP 2005) 2005
-
Color Super-Resolution subject to Bounded Total Variation
R. Sasahara, H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of SIP Symposium page： CD-ROM 2004.11
-
An Adaptive Super-Resolution for Noisy and Blurred Image Sequences
T. Ono, H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of SIP Symposium page： CD-ROM 2004.10
-
An Edge-Preserving Inverse Halftoning by Successive Outer Approximation Techniques
T. Okada, H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of SIP Symposium page： CD-ROM 2004.10
-
Discrete Time-Frequency Projection Filtering based on an Alias-Free Discrete Time-Frequency Analysis Reviewed
H. Hasegawa, I. Yamada, and K. Sakaniwa
IEICE Trans. Fundamentals Vol. E87-A ( 6 ) page： 1537-1545 2004
-
A Super-Resolution Image Recovery of Movies with an Outer Approximation of Framewise MPEG Quantization Constraint Reviewed
H. Hasegawa, T. Ono, I. Yamada, and K. Sakaniwa
Proc. of the 2004 IEEE International Midwest Symposium on Circuits and Systems (MWSCAS 2004) page： II-537 2004
-
A Successive Least-Squares Super-Resolution of MPEG Video Sequences
H. Hasegawa, T. Ono, I. Yamada, and K. Sakaniwa
Proc. of IEICE General Conference page： A-4-8 2004
-
A Super-Resolution of Movies Based on Adaptive Parallel Subgradient Projection Technique
T. Ono, H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of IEICE General Conference page： CD-ROM 2004
-
A Multidimensional Associative Memory Neural Network to Recall Nearest Pattern from Input
H. Sun, H. Hasegawa, and I. Yamada
Proc. of SIP Symposium page： CD-ROM 2004
-
Color Super-Resolution subject to Bounded Total Variation
R. Sasahara, H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of SIP Symposium 2004
-
An Adaptive Super-Resolution for Noisy and Blurred Image Sequences
T. Ono, H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of SIP Symposium 2004
-
An Edge-Preserving Inverse Halftoning by Successive Outer Approximation Techniques
T. Okada, H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of SIP Symposium 2004
-
A Multidimensional Associative Memory Neural Network to Recall Nearest Pattern from Input
H. Sun, H. Hasegawa, and I. Yamada
Proc. of SIP Symposium 2004
-
A Super-Resolution of Movies Based on Adaptive Parallel Subgradient Projection Technique
T. Ono, H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of IEICE General Conference page： A-4-19 2004
-
A truncated polynomial interpolation theorem and its application to polynomially WLS design of IIR filters Reviewed
H. Hasegawa, M. Nakagawa, I. Yamada, and K. Sakaniwa
IEICE Trans. Fundamentals Vol. E86-A ( 7 ) page： 1742-1748 2003
-
Time-Frequency Projection Filtering based on Alias-free Discrete Time-Frequency Analysis
H. Hasegawa, I. Yamada, and K. Sakaniwa
Technical Report of IEICE page： DSP2002-166 2003
-
An Adaptive Super Resolution Reconstruction of MPEG Compressed Video Sequences
H. Hasegawa, T. Ono, I. Yamada, and K. Sakaniwa
Proc. of 26th Symposium on Information Theory and Its Applications page： 241-244 2003
-
A Reconstruction of High-Resolution Images from MPEG Compressed Video Sequences
H. Hasegawa, T. Ono, I. Yamada, and K. Sakaniwa
Proc. of 18th Digital Signal Processing Symposium 2003
-
A Reconstruction of High-Resolution Images from MPEG Compressed Video Sequences
H. Hasegawa, T. Ono, I. Yamada, and K. Sakaniwa
Proc. of 18th Digital Signal Processing Symposium 2003
-
A higher order generalization of an alias-free discrete time-frequency analysis Reviewed
H. Hasegawa, Y. Miki, I. Yamada, and K. Sakaniwa
IEICE Trans. Fundamentals Vol. E85-A ( 8 ) page： 1774-1780 2002
-
A truncated polynomial interpolation theorem and its application to the WLS design of IIR filters
H. Hasegawa, M. Nakagawa, I. Yamada, and K. Sakaniwa
Proc. of the IEEE International Conference on International Symposium on Circuits and Systems (ISCAS2002) Vol. V page： 705-708 2002
-
A higher order generalization of an alias-free discrete time-frequency analysis Reviewed
H. Hasegawa, Y. Miki, I. Yamada, and K. Sakaniwa
Proc. of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP2002) Vol. II page： 1453-1456 2002
-
An Estimation of Multicomponent Polynomial Phase Signals
Y. Miki, H. Hasegawa, I. Yamada and K. Sakaniwa
Proc. of 17th Digital Signal Processing Symposium page： A4-5 2002
-
Analysis of multicomponent polynomial phase signals using unwrapped phase and geometry on triangle
Y. Miki, H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of 25th Symposium on Information Theory and Its Applications page： 75-78 2002
-
Time-Frequency Projection Filtering based on Alias-free Discrete Time-Frequency Analysis
H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of 25th Symposium on Information Theory and Its Applications page： 71-74 2002
-
Generalized discrete higher order moment spectra and their kernel design
H. Hasegawa, Y. Miki, I. Yamada, and K. Sakaniwa
Technical Report of IEICE page： DSP2000-188 2001
-
A higher order generalization of an alias-free discrete time-frequency analysis
H. Hasegawa, Y. Miki, I. Yamada, and K. Sakaniwa
Proc. of 24th Symposium on Information Theory and Its Applications page： 815-818 2001
-
A truncated polynomial interpolation theorem and its application to the WLS design of IIR filters
H. Hasegawa, M. Nakagawa, I. Yamada, and K. Sakaniwa
Proc. of 24th Symposium on Information Theory and Its Applications page： 537-540 2001
-
A generalization of the Walsh's theorem for weighted least-squares rational approximation
H. Hasegawa, M. Nakagawa, I. Yamada, and K. Sakaniwa
Proc. of 16th Digital Signal Processing Symposium page： 373-378 2001
-
A simple least-squares design of M-D IIR filters with fixed separable denominator based on multivariate division algorithm Reviewed
H. Hasegawa, I. Yamada, and K. Sakaniwa
Multidimensional Systems and Signal Processing Vol. 11 ( 4 ) page： 339-358 2000
-
A design of near perfect reconstruction qmf banks based on Hybrid Steepest Descent Method Reviewed
H. Hasegawa, I. Yamada, and K. Sakaniwa
IEICE Trans. Fundamentals Vol. E83-A ( 8 ) page： 1523-1530 2000
-
Kernel design of generalized class of discrete-time discrete-frequency time-frequency distributions based on Hybrid steepest descent method
H. Hasegawa, Y. Miki, I. Yamada, and K. Sakaniwa
Technical Report of IEICE page： DSP2000-127 2000
-
Kernel synthesis for generalized time-frequency distributions based on Hybrid steepest descent method
H. Hasegawa, Y. Miki, I. Yamada, and K. Sakaniwa
Proc. of 15th Digital Signal Processing Symposium page： 103-108 2000
-
Least-squares design of M-D IIR filters with fixed separable denominator based on multivariate division algorithm Reviewed
H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of the European Conference on Circuit Theory and Design (ECCTD'99) page： 1139-1142 1999
-
Algebraic multidimensional phase unwrapping and zero distribution of complex polynomials Reviewed
I. Yamada, K. Kurosawa, H. Hasegawa, and K. Sakaniwa
IEEE Trans. on Signal Processing Vol. 46 ( 6 ) page： 1639-1664 1998
-
Constrained least squares design of M-D FIR filter based on convex projection techniques Reviewed
I. Yamada, H. Hasegawa, and K. Sakaniwa
Proc. of Taiwan-Japan Joint Workshop on the Latest Development of Telecommunication Research page： 17-21 1998
-
A note on constrained least squares design of M-D FIR filter based on convex projection techniques Reviewed
I. Yamada, H. Hasegawa, and K. Sakaniwa
IEICE Trans. Fundamentals Vol. E81-A ( 8 ) page： 1586-1591 1998
-
Algebraic least squares approxiamtion of multivariate polynomial by rational function with separable denominator
H. Hasegawa, I. Yamada, and K. Sakaniwa
Proc. of 13th Digital Signal Processing Symposium page： 399-403 1998
-
Simple derivation of stability radius of multivariate systems Reviewed
H. Hasegawa, I. Yamada, and K. Sakaniwa
Electronics Letters Vol. 33 ( 11 ) page： 937-938 1997
-
Characterization of multivariate stable polynomial by algebraic multidimensional unwrapped phase
I. Yamada, K. Kurosawa, H. Hasegawa, and K. Sakaniwa
Proc. of 12th Digital Signal Processing Symposium page： 573-578 1997
-
A note on constrained least squares design of M-D FIR filter based on convex projection techniques
I. Yamada, H. Hasegawa, and K. Sakaniwa
Technical Report of IEICE page： DSP97-120 1997
-
Schur多項式から非Schur多項式集合への距離
長谷川 浩, 山田 功, 坂庭 好一
電子情報通信学会技術研究報告 page： DSP96-36 1996
-
多次元離散システムの安定余裕に関する一検討
長谷川 浩, 山田 功, 坂庭 好一
第19回情報理論とその応用シンポジウム(SITA96)予稿集 page： 713-716 1996
-
A simple derivation of stability radius for multidimensional complex discrete systems
H. Hasegawa, I. Yamada, and K. Sakaniwa
Technical Report of IEICE page： DSP96-107 1996
-
実Schur多項式から実非Schur多項式集合への距離
長谷川 浩, 山田 功, 坂庭 好一
電子情報通信学会技術研究報告 1996
-
A multidimensional phase unwrapping algorithm and zero distribution of complex polynomials Reviewed
I. Yamada, K. Kurosawa, H. Hasegawa, and K. Sakaniwa
Proc. of European Conference on Circuit Theory and Design (ECCTD'95) page： 491-495 1995
-
フェージングの一推定法について
坂庭 好一，長谷川 浩
電子情報通信学会全国大会 page： B-369 1995
-
多次元連続位相の導出アルゴリズムと多項式の零点分布決定への応用
山田 功, 黒澤 馨, 長谷川 浩, 坂庭 好一
電子情報通信学会技術研究報告 page： DSP95-1 1995
-
代数的連続位相導出アルゴリズムを用いた多次元安定性判別の一手法
山田 功, 長谷川 浩, 坂庭 好一
第18回情報理論とその応用シンポジウム(SITA95)予稿集 page： 101-104 1995