Papers - HASEGAWA, Hiroshi
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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
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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
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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
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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
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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
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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
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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
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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
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Tachibana, T; Hirota, Y; Tsuritani, T; Hasegawa, H
IEICE TRANSACTIONS ON COMMUNICATIONS Vol. E109B ( 2 ) page： 138 - 146 2026.2
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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