論文 - 長谷川 浩
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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
沈 志舒, 長谷川 浩, 佐藤 健一
信学技報 113 巻 ( 91 ) 頁: PN2013-5(pp. 25-30) 2013年6月
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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 113 巻 ( 91 ) 頁: PN2013-2(pp.7-12) 2013年6月
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Coarse Granular Optical Routing Networks Utilizing Fine Granular Add/Drop 査読有り
Yuki Taniguchi, Hiroshi Hasegawa, Ken-ichi Sato
IEEE/OSA Journal of Optical Communications and Networking 5 巻 ( 7 ) 頁: 774 - 783 2013年6月
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Efficient Shared Protection Network Design Algorithm that Iterates Path Relocation with New Resource Utilization Metrics 査読有り
Masakazu SATO, Hiroshi HASEGAWA, and Ken-ichi SATO
IEICE Transactions on Communications E96-B 巻 ( 04 ) 頁: 2012EBP3354 2013年4月
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Cost Effective Optical Networks that Utilize Hetero-granular Multi-stage Routing
Hai-Chau Le, Hiroshi Hasegawa, Ken-ichi Sato
頁: B-12-23 2013年3月
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A 270 X 270 Optical Cross-Connect Switch Utilizing Wavelength Routing with Cascaded AWGs 査読有り
Tomonobu Niwa, Hiroshi Hasegawa, Ken-ichi Sato
OFC/NFOEC2013 頁: OTh1A.3 2013年3月
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OXC Hardware Scale Reduction Attained by Using Interconnected Subsystem Architecture 査読有り
Yuto Iwai, Hiroshi Hasegawa, and Ken-ichi Sato
OFC/NFOEC2013 頁: NW1J.2 2013年3月
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Compact Integrated Tunable Filter Utilizing AWG Routing Function and Small Switches 査読有り
Tomonobu Niwa, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe, and Hiroshi Takahashi
OFC/NFOEC2013 頁: OW1C.2 2013年3月
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Impact of Wavelength/Waveband Convertors and the Cost Bound in Hierarchical Optical Path Networks 査読有り
Zhi-shu Shen, Hiroshi Hasegawa, Ken-ichi Sato
OFC/NFOEC2013 頁: OM3A.2 2013年3月
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Dynamic Grouped Routing Optical Networks for Cost Effective and Agile Wavelength Services 査読有り
Yuki Taniguchi, Hiroshi Hasegawa, Ken-ichi Sato
OFC/NFOEC2013 頁: OM3A.5 2013年3月
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Design strategies for Survivable Grouped Routing Entity (GRE)-based Optical Networks 査読有り
Hiroshi Hasegawa, Yuki Taniguchi, Ken-ichi Sato, Amornrat Jirattigalachote, Paolo Monti, Lena Wosinska
DRCN2013 頁: 148-154 2013年3月
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Performance Evaluation of Large Capacity Ultra-Compact Waveband Cross-Connect 査読有り
T. Ban, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, M. Okuno
IEEE Photonics Technology Letters 25 巻 ( 5 ) 頁: 446-449 2013年3月
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Performance Evaluation of Large Capacity Ultra-compact Waveband Cross-connect 査読有り
Toshinori Ban, Kiyo Ishii, Hiroshi Hasegawa, Ken-ichi Sato, Hiroshi Takahashi, and Masayuki Okuno
IEEE Photonic Technology Letters 25 巻 ( 5 ) 頁: 446-449 2013年3月
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A novel large-scale OXC architecture and an experimental system that utilizes wavelength path switching and fiber selection 査読有り
Toshinori Ban, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe, and Hiroshi Takahashi
OSA Optics Express 21 巻 ( 1 ) 頁: 469-477 2013年1月
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A large-scale photonic node architecture that utilizes interconnected OXC subsystems 査読有り
Yuto Iwai, Hiroshi Hasegawa, and Ken-ichi Sato
OSA Optics Express 21 巻 ( 1 ) 頁: 478-487 2013年1月
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An efficient heuristic waveband assignment algorithm for hierarchical optical path networks utilizing wavelength convertors 査読有り
Z. Shen, H. Hasegawa, and K. Sato
ELSEVIER Optical Switching and Networking 10 巻 ( 1 ) 頁: 54-61 2013年1月
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PCE-based fast path control in multi-domain photonic networks 査読有り
Y. Iizawa, S. Araki, S. Ishida, I. Nishioka, K. Shimada, H. Hasegawa, K. Sato
ELSEVIER Optical Switching and Networking 10 巻 ( 1 ) 頁: 32-43 2013年1月
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Impact of Elastic Optical Paths that Adopt Distance Adaptive Modulation to Create Efficient Network 査読有り
Tatsumi TAKAGI, Hiroshi HASEGAWA, Ken-ichi SATO, Yoshiaki SONE, Akira HIRANO, and Masahiko JINNO
IEICE TRANSACTIONS on Communications E95-B 巻 ( 12 ) 頁: (未決定) 2012年12月
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Formulation of MUX/DEMUX Functions for Multiple Input-Output Port Cyclic AWG 査読有り
Kiyo Ishii, Hiroshi Hasegawa, and Ken-ichi Sato
ACP2012 頁: AS4A.4 2012年11月
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Quasi-Scheduled Optical Path Routing and Wavelength Assignment That Uses Expected Traffic Variation 査読有り
Naoaki Osawa, Hiroshi Hasegawa, and Ken-ichi Sato
ACP2012 頁: AS2D.4 2012年11月