Hasegawa Hiroshi 長谷川浩

… Alternative Names

HASEGAWA Hiroshi 長谷川浩

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Researcher Number	40323802
Other IDs
Affiliation (Current)	2025: 名古屋大学, 工学研究科, 教授
Affiliation (based on the past Project Information) *help	2024: 名古屋大学, 工学研究科, 教授 2020 – 2022: 名古屋大学, 工学研究科, 教授 2016 – 2018: 名古屋大学, 工学研究科, 准教授 2012 – 2016: 名古屋大学, 工学(系)研究科(研究院), 准教授 2013: 名古屋大学, 大学院工学研究科, 准教授 … More 2011: 名古屋大学, 工学研究科, 准教授 2005 – 2006: 名古屋大学, 大学院工学研究科, 助教授 2005: Nagoya University, Graduat School of Engineering, Associate Professor, 大学院・工学研究科, 助教授 2005: 名古屋大学, 工学研究科, 助教授 2002 – 2004: 東京工業大学, 大学院・理工学研究科, 助手 Less
Review Section/Research Field	Principal Investigator Basic Section 21020:Communication and network engineering-related / Information network / Computer system/Network / Perception information processing/Intelligent robotics Except Principal Investigator Communication/Network engineering / Broad Section J / 情報通信工学
Keywords	Principal Investigator フォトニックネットワーク / ネットワーク制御 / 動的制御 / メトロネットワーク / 光パスネットワーク / ファイバ粒度ルーティング / 超高密度波長多重 / 波長経路割り当て / ネットワーク・ＬＡＮ / 疎粒度ルーティング … More / 光ファイバ通信 / ネットワーク最適化 / 粗粒度ルーティング / ネットワーク設計 / Grouped Routing / 波長群パス / 階層化光パスネットワーク / 光スイッチ / ネットワークアーキテクチャ / 凸解析 / 画像復元 / 超解像 / 量子化 / 逆問題 / Hubar norm / Total Variation / Hybrid Steepest Descent Method / 超解像画像復元 … More Except Principal Investigator フォトニックネットワーク / DS-CDMA / OFDM / 移動体通信 / ROADM / 光クロスコネクト / 光通信 / 高次多値変調 / 省エネルギー / AI推論 / 光トランシーバ / 光ニューラルネットワーク / 周波数安定化 / エラスティックネットワーク / コヒーレント / フレキシブルグリッド / OXC / 光アド・ドロップマルティプレクサ / 波長多重伝送 / 光ルーティングノード / 波長多重 / コヒーレント通信 / ネットワーク設計 / 空間多重ノード / 光パス / 光分岐挿入ノード / 空間多重 / コヒーレント伝送 / component sequences / sequence decomposition / PN sequences / fast acquisition / 擬似ランダム系列 / 高速同期捕捉方式 / 要素系列 / 系列分解 / PN系列 / 高速同期捕捉 / equalizer / fading / near-far problem / multiple access / multi-user / mobile communication / 等化器 / フェージング / 遠近問題 / マルチプルアクセス / マルチユーザ / 波長ルーティング / チューナブルフィルタ / 光信号分岐挿入部 / ノードアーキテクチャ / 光ノード / 光集積回路 / 光伝達ノード / 光ネットワーク / 光スイッチ Less

Highly Energy Efficient and Broadband Information Processing Platform based on Optical Functional Circuits
- Principal Investigator
  
  石原亨
- Project Period (FY)
  2024 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Review Section
  
  Broad Section J
- Research Institution
  Nagoya University
Adaptive and Integrated Control of Optical Routing Metro NetworksPrincipal Investigator
- Principal Investigator
  
  Hasegawa Hiroshi
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 21020:Communication and network engineering-related
- Research Institution
  Nagoya University
ハイパースケール光ネットワークノードの研究
- Principal Investigator
  
  佐藤健一
- Project Period (FY)
  2014
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Communication/Network engineering
- Research Institution
  Nagoya University
Studies on dynamic interconnection of multiple optical networks by coarse granular optical path routingPrincipal Investigator
- Principal Investigator
  
  Hiroshi Hasegawa
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Information network
- Research Institution
  Nagoya University
Development of new-generation data-centric optical networks
- Principal Investigator
  
  Sato Ken-ichi
- Project Period (FY)
  2014 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Research Field
  
  Communication/Network engineering
- Research Institution
  Nagoya University
Agile and bandwidth abandant photonic networks utilizing path hierarchy and dynamic virtual fiber managementPrincipal Investigator
- Principal Investigator
  
  HASEGAWA Hiroshi
- Project Period (FY)
  2012 – 2013
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Computer system/Network
- Research Institution
  Nagoya University
High Performance Photonic Integrated Routing System
- Principal Investigator
  
  SATO Ken-ichi
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Communication/Network engineering
- Research Institution
  Nagoya University
ディジタル防犯カメラ映像からの高精細画像復元に関する研究Principal Investigator
- Principal Investigator
  
  長谷川浩
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Perception information processing/Intelligent robotics
- Research Institution
  Nagoya University
Fast Acquisition Algorithm for PN Sequences
- Principal Investigator
  
  SAKANIWA Kohichi
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Communication/Network engineering
- Research Institution
  Tokyo Institute of Technology
Improved OFDM-CDMA System coping with the Near-Far Problem
- Principal Investigator
  
  SAKANIWA Kohichi
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  情報通信工学
- Research Institution
  Tokyo Institute of Technology

[Journal Article] Highly Dense Elastic Optical Networks Enabled by Grouped Routing With Distance-Adaptive Modulation2019
- Author(s)
  Kayano Keisuke、Yamaoka Shuhei、Mori Yojiro、Hasegawa Hiroshi、Sato Ken-Ichi
- Journal Title
  
  IEEE Photonics Technology Letters
  
  Volume: 31 Issue: 4 Pages: 295-298
- DOI
  10.1109/lpt.2019.2892506
- NAID
  120006645102
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K13756, KAKENHI-PROJECT-26220905
[Journal Article] Design and Verification of Large-Scale Optical Circuit Switch Using ULCF AWGs for Datacenter Application2018
- Author(s)
  Nagai H.、Mori Y.、Hasegawa H.、Sato K.
- Journal Title
  
  Journal of Optical Communications and Networking
  
  Volume: 10 Issue: 7 Pages: B82-B82
- DOI
  10.1364/jocn.10.000b82
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] First Demonstration of Subsystem-Modular Optical Cross-Connect Using Single-Module 6 × 6 Wavelength-Selective Switch2018
- Author(s)
  Ryota Hashimoto, Shuhei Yamaoka, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Keita Yamaguchi, Kazunori Seno, and Kenya Suzuki
- Journal Title
  
  J. Lightwave Technol.
  
  Volume: 36 Pages: 1435-1442
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Large-scale optical switch utilizing multistage cyclic Arrayed-Waveguide Gratings for intra-datacenter interconnection2017
- Author(s)
  Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Journal Title
  
  IEEE Photonics Journal
  
  Volume: Volume: 9
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Tipping point for the future scalable OXC -What size MxM WSS is needed?- (Invited Paper)2017
- Author(s)
  M. Niwa Y. Mori, H. Hasegawa, and K. Sato
- Journal Title
  
  Journal of Optical Communications and Networking
  
  Volume: Vol. 9, Issue 1
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Highly reliable and large-scale subsystem-modular optical cross-connect2017
- Author(s)
  Shuhei Yamakami, Yojiro Mori, Hiroshi Hasegawa, And Ken-ichi Sato
- Journal Title
  
  OSA Optics Express
  
  Volume: Vol. 25, Issue 15 Pages: 17982-17994
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Tipping point for the future scalable OXC: What size MxM WSS is needed?2017
- Author(s)
  M. Niwa Y. Mori, H. Hasegawa, and K. Sato
- Journal Title
  
  IEEE/OSA J. Optical Commun. Network, JOCN
  
  Volume: Vol. 9
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Large-scale optical node utilizing MxM WSSs optimally configured for traffic distribution2017
- Author(s)
  Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
- Journal Title
  
  IEEE Photonics Technology Letters
  
  Volume: Volume: 29, Issue:16 Pages: 1293-1296
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Algorithm for raising OXC port count to meet traffic growth at minimum-cost [Invited]2017
- Author(s)
  Kosuke Sato, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Journal Title
  
  IEEE/OSA Journal of Optical Communications and Networking
  
  Volume: Vol. 9, Issue 2
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Algorithm for raising OXC port count to meet traffic growth at minimum-cost2017
- Author(s)
  Kosuke Sato, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Journal Title
  
  IEEE/OSA J. Optical Commun. Network, JOCN
  
  Volume: Vol. 9
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Disruption-Free Expansion of Protected Optical Path Networks that Utilize Subsystem Modular OXC Nodes2016
- Author(s)
  Kosuke Sato, H. Hasegawa, and K. Sato
- Journal Title
  
  IEEE/OSA J. Optical Commun. Network, JOCN
  
  Volume: VOL.8 Pages: 476-485
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Large-scale and simple-configuration optical switch enabled by asymmetric-port-count sub-switches2016
- Author(s)
  Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, and Toshio Watanabe
- Journal Title
  
  IEEE Photonics Journal
  
  Volume: Volume: 8
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Dynamic Router Performance Control Utilizing Support Vector Machines for Energy Consumption Reduction2016
- Author(s)
  H. Kawase, Y. Mori, H. Hasegawa and K. Sato,
- Journal Title
  
  IEEE Transactions on Network and Service Management
  
  Volume: 13 Issue: 4 Pages: 860-870
- DOI
  10.1109/tnsm.2016.2605640
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26280029
[Journal Article] Novel optical-node architecture utilizing asymmetric-multiport wavelength-selective switches2016
- Author(s)
  Masaki Niwa, Y. Mori, H. Hasegawa, and K. Sato
- Journal Title
  
  IEEE Photonics Journal
  
  Volume: Volume: 8
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Survivable Grouped Routing Optical Networks With Dedicated Path Protection2016
- Author(s)
  Hiroshi Hasegawa, Yojiro Mori, Ken-ichi Sato
- Journal Title
  
  IEICE Transactions on Communications
  
  Volume: E99-B-07 Pages: 1435-1444
- NAID
  130005160274
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26280029
[Journal Article] Large-scale optical-switch prototypes utilizing cyclic arrayed-waveguide gratings for datacenters2016
- Author(s)
  Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, and Toshio Watanabe
- Journal Title
  
  Journal of Lightwave Technology
  
  Volume: 34 Pages: 608-617
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Highly spectral efficient networks based on grouped optical path routing2016
- Author(s)
  Yuki Terada, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Journal Title
  
  Optics Express
  
  Volume: 24 Pages: 6213-6228
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Hardware scale and performance evaluation of compact subsystem modular optical cross connect that adopts tailored Add/Drop architecture2015
- Author(s)
  H. Ishida, H. Hasegawa, K. Sato
- Journal Title
  
  IEEE/OSA Journal of Optical Communications Network
  
  Volume: 7 Pages: 586-596
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Performance analysis of different configuration subsystem-modular OXC2015
- Author(s)
  Y. Tanaka, H. Hasegawa, K. Sato
- Journal Title
  
  Performance analysis of different configuration subsystem-modular OXC
  
  Volume: 7 Pages: 1009-1017
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] 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 Tbps2015
- Author(s)
  S. Takashina, H. Ishida, M. Niwa, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe
- Journal Title
  
  IEEE Optics Express
  
  Volume: 23 Pages: 14796-14805
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Performance analysis of large-scale OXC that enables dynamic modular growth2015
- Author(s)
  Y. Tanaka, H. Hasegawa, K. Sato
- Journal Title
  
  OpticsExpress
  
  Volume: 23 Pages: 5994-6006
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26220905
[Journal Article] Performance evaluations of large-scale multi-stage hetero-granular optical cross-connects2014
- Author(s)
  L.H.Chau, H.Hasegawa and K.Sato
- Journal Title
  
  Optics Express
  
  Volume: Vol.22, Iss.3 Pages: 3157-3168
- NAID
  120005522272
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] Effectiveness of wavelength/waveband conversion and its allowable cost bound for hierarchical optical path networks2014
- Author(s)
  Z. Shen, H. Hasegawa, and K. Sato
- Journal Title
  
  IEEE/OSA JOCN
  
  Volume: Vol. 5, Issue 11 Pages: 3169-3179
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] Performance evaluations of large-scale multi-stage hetero-granular optical cross-conｎects2014
- Author(s)
  L. H. Chau, H. Hasegawa and K. Sato
- Journal Title
  
  Optics Express
  
  Volume: Vol. 22, Issue 3 Pages: 3157-3168
- NAID
  120005522272
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] A novel elastic optical path network that utilizes bitrate-specific anchored frequency slot arrangement2014
- Author(s)
  Z.Shen, H.Hasegawa, K.Sato, T.Tanaka, and A.Hirano
- Journal Title
  
  Optics Express
  
  Volume: Vol.22, Iss.3 Pages: 3169-3179
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] A novel large-scale OXC architecture and an experimental system development that utilizes wavelength path switching and fiber selection2013
- Author(s)
  T. Ban, H. Hasegawa, K. Sato, T. Watanabe, and H. Takahashi
- Journal Title
  
  OSA Optics Express
  
  Volume: Vol. 21 Issue 1 Pages: 469-477
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] A large-scale photonic node architecture that utilizes interconnected OXC subsystems2013
- Author(s)
  Y.Iwai, H.Hasegawa, and K.Sato
- Journal Title
  
  OSA Optics Express
  
  Volume: Vol.21 Issue 1 Pages: 478-487
- NAID
  120005522270
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] Large scale wavelength routing optical switch for data center networks2013
- Author(s)
  K. Sato, H. Hasegawa, and T. Watanabe
- Journal Title
  
  IEEE Communications Magazine
  
  Volume: vol. 51, No. 9 Pages: 46-52
- NAID
  120005522271
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] Coarse granular optical routing networks utilizing fine granular add/drop2013
- Author(s)
  Y. Taniguchi, Y. Yamada, H. Hasegawa, K. Sato
- Journal Title
  
  IEEE/OSA Journal of Optical Communications and Networking
  
  Volume: 5 Issue: 7 Pages: 774-783
- DOI
  10.1364/jocn.5.000774
- NAID
  120005522268
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24700063
[Journal Article] Coarse Granular Optical Routing Networks Utilizing Fine Granular Add/Drop2013
- Author(s)
  Yuki Taniguchi, Yoshiyuki Yamada, Hiroshi Hasegawa, and Ken-ichi Sato
- Journal Title
  
  IEEE/OSA JOCN
  
  Volume: vol.5 Pages: 774-783
- NAID
  120005522268
- Data Source
  KAKENHI-PROJECT-24700063
[Journal Article] A novel large-scale OXC architecture and an experimental system that utilizes wavelength path switching and fiber selection2013
- Author(s)
  T.Ban, H.Hasegawa, K.Sato, T.Watanabe, and H.Takahashi
- Journal Title
  
  OSA Optics Express
  
  Volume: Vol.21 Issue 1 Pages: 469-477
- NAID
  120005522269
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] A large-scale photonic node architecture that utilizes interconnected OXC subsystems2013
- Author(s)
  Y. Iwai, H. Hasegawa, and K. Sato
- Journal Title
  
  OSA Optics Express
  
  Volume: Vol. 21 Issue 1 Pages: 478-487
- NAID
  120005522270
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] 階層化光クロスコネクトノードのアーキテクチャ2013
- Author(s)
  長谷川　浩、佐藤　健一
- Journal Title
  
  光学
  
  Volume: Vol. 42, No. 05 Pages: 229-235
- NAID
  10031166447
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] Effectiveness of wavelength/ waveband conversion and its allowable cost bound for hierarchical optical path networks2013
- Author(s)
  Z.-S Shen, H.Hasegawa, and K.Sato
- Journal Title
  
  IEEE/OSA JOCN
  
  Volume: Vol.5, Iss. 11 Pages: 1262-1274
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] Performance evaluation of large capacity ultra-compact waveband cross-connect2013
- Author(s)
  T.Ban, K.Ishii, H.Hasegawa, K.Sato, H.Takahashi, and M.Okuno
- Journal Title
  
  IEEE Photonics Technology Letters
  
  Volume: Vol.25, Issue 5 Pages: 446-449
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] Large scale wavelength routing optical switch for data center networks2013
- Author(s)
  K.Sato, H.Hasegawa, and T.Watanabe
- Journal Title
  
  IEEE Communications Magazine
  
  Volume: vol.51, No.9 Pages: 46-52
- NAID
  120005522271
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] Coarse granular optical routing networks utilizing fine granular add/drop2013
- Author(s)
  Y.Taniguti, Y.Yamada, H.Hasegawa, K.Sato
- Journal Title
  
  IEEE/OSA Journal of Optical Communications and Networking
  
  Volume: Vol.5, Issue 7 Pages: 774-783
- NAID
  120005522268
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] Evaluations of different optical path add/drop ratio restriction schemes on OXC hardware scale and network resource requirement2012
- Author(s)
  F.Naruse, Y.Yamada, H.Hasegawa, K.Sato
- Journal Title
  
  IEEE/OSA Journal of Optical Communications and Networking (JOCN)
  
  Volume: vol.4, No.11
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] A large port count wavelength routing optical switch that consists of cascaded small-size cyclic Arrayed Waveguide Gratings2012
- Author(s)
  T.Niwa, H.Hasegawa, K.Sato, T.Watanabe, and H.Takahashi
- Journal Title
  
  IEEE Photonics Technology Letters
  
  Volume: vol.24, Issue 22 Pages: 2027-2030
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] Impact of electrical grooming and regeneration of wavelength paths in creating hierarchical optical path networks2011
- Author(s)
  L.H.Chua, H.Hasegawa, K.Sato
- Journal Title
  
  OSA, Optics Express
  
  Volume: vol.19
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] A dynamic and quasi-centralized RWA method for optical fast circuit switching networks employing route pre-prioritization2011
- Author(s)
  H.Ohno, H.Hasegawa, K.Sato
- Journal Title
  
  Elsevier, Optical Switching and Networking, Special Issue
  
  Volume: vol.8 Pages: 242-248
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246072
[Journal Article] An Edge-Preserving Super-Precision for Simultaneous Enhancement of Spacial and Grayscale Resolutions2006
- Author(s)
  Hiroshi Hasegawa, Toshinori Ohtsuka, Isao Yamada, Kohichi Sakaniwa
- Journal Title
  
  Proc. 2006 IEEE International Workshop on Multimedia Signal Processing (MMSP2006) (CD-ROM内に収録)
- NAID
  10026847847
- Data Source
  KAKENHI-PROJECT-17700175
[Journal Article] A Color Super-Resolution with Multiple Nonsmooth Constraints by Hybrid Steepest Descent Method2005
- Author(s)
  Ryota Sasahara, Hiroshi Hasegawa, Isao Yamada, Kohichi Sakaniwa
- Journal Title
  
  Proceeding of the IEEE International Conference Image Processing (ICIP'05) (CD-ROMに収録)
- Data Source
  KAKENHI-PROJECT-17700175
[Journal Article] An Edge-Preserving Super-Precision from Multiple Quantized Images2005
- Author(s)
  Hiroshi Hasegawa, Toshinori Ohtsuka, Isao Yamada, Kohichi Sakaniwa
- Journal Title
  
  Proceeding of SIP Symposium 2005 (CD-ROMに収録)
- Data Source
  KAKENHI-PROJECT-17700175
[Journal Article] An Interative MPEG Super-Resolution with an Outer Approximation of Framewize Quantization Constraint2005
- Author(s)
  Hiroshi Hasegawa, Toshiyuki Ono, Isao Yamada, Kohichi Sakaniwa
- Journal Title
  
  IEICE Transaction on Fundamentals Vol.E88-A no.9
  
  Pages: 2427-2435
- Data Source
  KAKENHI-PROJECT-17700175
[Journal Article] An Improvement of Convergence Speed and Image Quality of an Adaptive Super-Resolution2005
- Author(s)
  Toshiyuki Ono, Hiroshi Hasegawa, Isao Yamada, Kohichi Sakaniwa
- Journal Title
  
  Proceeding of SIP Symposium 2005 (CD-ROMに収録)
- Data Source
  KAKENHI-PROJECT-17700175
[Patent] LIGHT DETECTION DEVICE, OPTICAL PROPERTY ANALYSIS DEVICE, AND LIGHT DETECTION METHOD2017
- Inventor(s)
  森洋二郎、佐藤健一、長谷川浩、山岡修平
- Industrial Property Rights Holder
  森洋二郎、佐藤健一、長谷川浩、山岡修平
- Industrial Property Rights Type
  特許
- Filing Date
  2017
- Acquisition Date
  2018
- Overseas
- Data Source
  KAKENHI-PROJECT-26220905
[Patent] 光検波装置、光特性解析装置、光検波方法2016
- Inventor(s)
  森洋二郎、佐藤健一、長谷川浩
- Industrial Property Rights Holder
  森洋二郎、佐藤健一、長谷川浩
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2016-249332
- Filing Date
  2016-12-22
- Data Source
  KAKENHI-PROJECT-26220905
[Patent] 線幅測定装置2016
- Inventor(s)
  森洋二郎、佐藤健一、長谷川浩、山岡修平
- Industrial Property Rights Holder
  森洋二郎、佐藤健一、長谷川浩、山岡修平
- Industrial Property Rights Type
  特許
- Patent Publication Number
  2018-096939
- Filing Date
  2016
- Acquisition Date
  2018
- Data Source
  KAKENHI-PROJECT-26220905
[Patent] 線幅測定装置2016
- Inventor(s)
  森洋二郎、佐藤健一、長谷川浩、山岡修平
- Industrial Property Rights Holder
  森洋二郎、佐藤健一、長谷川浩、山岡修平
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2016-244574
- Filing Date
  2016-12-16
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 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2023
- Author(s)
  落合匠郎，白木隆太，森洋二郎，長谷川浩
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] レーザ特性の常時監視技術2023
- Author(s)
  土田直樹，久野拓真，白木隆太，森洋二郎，長谷川浩
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 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2023
- Author(s)
  松尾武，白木隆太，森洋二郎，長谷川浩
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 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2023
- Author(s)
  樋口怜治，白木隆太，森洋二郎，長谷川浩
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 適応的シンボル判定器の特性変動耐性2023
- Author(s)
  加川功己，白木隆太，森洋二郎，長谷川浩
- Organizer
  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
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 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ネットワークの動的制御2023
- Author(s)
  内田航平，白木隆太，森洋二郎，長谷川浩
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 自己符号化器を用いた光変復調方式の同時最適化2023
- Author(s)
  樋口怜治，白木隆太，森洋二郎，長谷川浩
- Organizer
  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
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 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2023
- Author(s)
  三ツ矢拓誠，久野拓真，森洋二郎，長谷川浩，佐藤健一
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 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2023
- Author(s)
  黄宇軒，森洋二郎，長谷川浩
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] スペクトラム狭窄耐力を向上する送受信器等化同時最適化法2023
- Author(s)
  石川誉聡，白木隆太，森洋二郎，長谷川浩
- Organizer
  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
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] スペクトラム狭窄耐力を向上する等化器生成法2023
- Author(s)
  石川誉聡，白木隆太，森洋二郎，長谷川浩
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 高次多値変調信号を用いたレーザ線幅の常時監視技術2023
- Author(s)
  土田直樹，久野拓真，白木隆太，森洋二郎, 長谷川浩
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 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2023
- Author(s)
  加川功己, 白木隆太，森洋二郎，長谷川浩
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] スケーラブルな空間多重光ノードアーキテクチャ2022
- Author(s)
  長谷川浩
- Organizer
  電子情報通信学会２０２２年総合大会
- Invited
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] ファイバ粒度ルーティング光ネットワークの動的制御特性2022
- Author(s)
  松尾武, 白木隆太, 森洋二郎, 長谷川浩
- Organizer
  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種研究会第18回PN研究会学生ワークショップ
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 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2022
- Author(s)
  林和輝, 森洋二郎, 長谷川浩
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] Design and Dynamic Control of Fiber-Granular Routing Networks with Next-Generation Optical Paths2022
- Author(s)
  Takeshi Matsuo, Ryuta Shiraki, Yojiro Mori, and Hiroshi Hasegawa
- Organizer
  2022 Optical Fiber Communications Conference and Exhibition (OFC)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 短距離コヒーレント光通信システムに適する変復調方式2022
- Author(s)
  樋口怜治，白木隆太，森洋二郎，長谷川浩
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] ファイバ粒度ルーティングネットワークの設計法2022
- Author(s)
  松尾武，白木隆太，森洋二郎，長谷川浩
- Organizer
  電気・電子・情報関係学会東海支部連合大会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 大規模ファイバ粒度ルーティングネットワークの設計及び動的制御2022
- Author(s)
  松尾武，白木隆太，森洋二郎，長谷川浩
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] Spatially-Jointed Flexible Waveband Routing Optical Networks Adopting Shared Path Protection2022
- Author(s)
  R. Munakata, Y. Mori, S. Subramaniam, M. Jinno, and H. Hasegawa
- Organizer
  12th International Workshop on Reliable Networks Design and Modeling (RNDM 2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 粗粒度ルーティングネットワークにおける統計多重効果2021
- Author(s)
  松尾武，白木隆太，森洋二郎，長谷川浩
- Organizer
  電子情報通信学会フォトニックネットワーク研究会第二種研究会 PN学生ワークショップ
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 可変帯域仮想光リンク上での超高密度波長多重による光ネットワーク大容量化2021
- Author(s)
  林和輝, 森洋二郎, 長谷川浩
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] ファイバスイッチング型光ネットワークにおける超大容量光パスの動的制御2021
- Author(s)
  松尾武, 白木隆太, 森洋二郎, 長谷川浩
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 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～2021
- Author(s)
  長谷川浩
- Organizer
  電子情報通信学会2021年総合大会
- Invited
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] 粗粒度ルーティングを導入したダイナミック光ネットワークの特性解析2021
- Author(s)
  松尾武, 長谷川浩, 森洋二郎
- Organizer
  電子情報通信学会2021年総合大会
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] Performance Evaluation of Dynamic Fiber-Granular Routing Networks with Next-Generation Optical Paths2021
- Author(s)
  Takeshi Matsuo, Ryuta Shiraki, Yojiro Mori, and Hiroshi Hasegawa
- Organizer
  OECC2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02150
[Presentation] Perfect Compensation for IQ Imbalance in Coherent Receiver Front-Ends under Fast Phase Fluctuations2019
- Author(s)
  Hiroki Nagai, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  電子情報通信学会2019年総合大会
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Demonstration of Quasi-Nyquist WDM NetworksUsingWidely DeployedWavelength-Selective Switches2019
- Author(s)
  Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  Optical Fiber Communications 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Verification of High Performance and Wide Applicability of Seamlessly Expandable and Limitless OXC2019
- Author(s)
  Ryota Hashimoto, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
- Organizer
  Optical Fiber Communication Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Assessment of optical cross-connect architectures for the creation of next generation optical networks2018
- Author(s)
  Mungun-Erdene Ganbold, Takuma Yasuda, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  OECC2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Demonstration of 153.6-Tbps Throughput from 1,536x1,536 Optical Switch with Uniform-Loss and Cyclic-Frequency AWGs2018
- Author(s)
  Hiroki Nagai, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
- Organizer
  SPIE OPTO, Photonics West, Optical Metro Networks and Short-Haul Systems X
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] リング網における高密度波長パス収容法2018
- Author(s)
  白木隆太，森洋二郎，長谷川浩，佐藤健一
- Organizer
  電子情報通信学会，2018年総合大会
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Novel FM-Noise Spectrum Measurement Based on Three-Wave Interference2018
- Author(s)
  S. Yamaoka, Y. Mori, H. Hasegawa, K. Sato
- Organizer
  CLEO Pacific Rim 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Large-scale optical node architecture enabling spectral-efficiency maximization in ultra-dense WDM networks2018
- Author(s)
  Shuhei Yamaoka, Ryota Hashimoto, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
- Organizer
  SPIE OPTO, Photonics West, Optical Metro Networks and Short-Haul Systems X
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] データセンタ向け大容量光変復調方式2018
- Author(s)
  村田圭，森洋二郎，長谷川浩，佐藤健一
- Organizer
  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種研究会学生ワークショップ
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] A New Framework for Nation-Wide Networking in Future Datacenter-Traffic Centric Era2018
- Author(s)
  Keisuke Kayano, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Fumikazu Inuzuka, and Akira Hirano
- Organizer
  Photonics in Switching and Computing (PSC2018)
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Optical Tunable Filter for Gridless ROADM2017
- Author(s)
  Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
- Organizer
  OSA The Optical Fiber Communication Conference and Exhibition (OFC)
- Place of Presentation
  Los Angels
- Year and Date
  2017-03-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Joint pre-, inline-, and post-compensation of spectrum narrowing caused by traversing cascaded multiple optical nodes2017
- Author(s)
  Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
- Organizer
  43rd European Conference on Optical Communication, ECOC 2017,
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 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2017
- Author(s)
  山岡修平，橋本涼太，森　洋二郎，長谷川　浩，佐藤健一
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Implication of optical path cross-connect and fiber cross-connect in creating cost-effective large bandwidth optical networks2017
- Author(s)
  Mungun-Erdene Ganbold, Takuma Yasuda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
- Organizer
  電子情報通信学会，2017年ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Spectrally efficient photonic networks using subcarrier-multiplexed signals adaptive to distance and hop count2017
- Author(s)
  Yuma Isono, Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  電子情報通信学会，2017年総合大会
- Place of Presentation
  名城大学
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 多重故障を考慮した高信頼化Grouped Routingネットワーク設計法2017
- Author(s)
  石川智啓・森洋二郎・長谷川浩・佐藤健一
- Organizer
  電子情報通信学会2017年総合大会
- Place of Presentation
  名城大学
- Data Source
  KAKENHI-PROJECT-26280029
[Presentation] 動的ネットワークにおけるスケーラブル光クロスコネクトの性能評価2017
- Author(s)
  橋本涼太，森洋二郎，長谷川浩，佐藤健一
- Organizer
  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種研究会学生ワークショップ
- Place of Presentation
  沖縄
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 高信頼化 Grouped Routingネットワーク2017
- Author(s)
  長谷川浩，森洋二郎，佐藤健一
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Invited
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] フォトニックネットワークにおける距離及びホップ数適応サブキャリア多重信号を用いた周波数利用効率向上2017
- Author(s)
  磯野祐馬，森洋二郎，長谷川浩，佐藤健一
- Organizer
  電子情報通信学会ネットワークシステム研究会
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] First demonstration of subsystem-modular optical cross-connect using single-module 6x6 WSS2017
- Author(s)
  Ryota Hashimoto, Shuhei Yamaoka, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Keita Yamaguchi, Kazunori Seno, Kenya Suzuki
- Organizer
  43rd European Conference on Optical Communication, ECOC 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Large-Scale Optical Circuit Switch Architecture for Intra-Datacentre Networking2017
- Author(s)
  Yojiro Mori, Koh Ueda, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  Conference on Lasers and Electro-Optics/Europe, CLEO-EU
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Dynamic Control of Coarse/Fine Hybrid Granular Routing Optical Networks2017
- Author(s)
  Yusaku Ito, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
- Organizer
  OSA The Optical Fiber Communication Conference and Exhibition (OFC)
- Place of Presentation
  Los Angels
- Year and Date
  2017-03-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Theory and progress of large-scale optical switching and elastically-hybrid optical switching2017
- Author(s)
  Hiroshi Hasegawa and Ken-ichi Sato
- Organizer
  OSA Advanced Photonics 2017, Photonics in Switching 2017
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 光ネットワークの進展とノード技術2017
- Author(s)
  佐藤健一，長谷川浩
- Organizer
  光通信システム研究会 OCS 30周年記念シンポジウム・OCS Summer School 2017
- Invited
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Novel Intra- and Inter-Datacenter Converged Network Exploiting Space- and Wavelength-Dimensional Switches2017
- Author(s)
  Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  OSA The Optical Fiber Communication Conference and Exhibition (OFC)
- Place of Presentation
  Los Angels
- Year and Date
  2017-03-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] イントラデータセンタ用大規模光スイッチの設計2017
- Author(s)
  永井宏樹，森洋二郎，長谷川浩，佐藤健一
- Organizer
  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種研究会学生ワークショップ
- Place of Presentation
  沖縄
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Highly Reliable Large-Scale Optical Cross-Connect Architecture Utilizing MxM Wavelength-Selective Switches2017
- Author(s)
  Shuhei Yamakami, Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
- Organizer
  OSA The Optical Fiber Communication Conference and Exhibition (OFC)
- Place of Presentation
  Los Angels
- Year and Date
  2017-03-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Novel subcarrier multiplexing and subcarrier-synchronous phase estimation tolerant to laser phase noise2017
- Author(s)
  David Martinez, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  OSA Advanced Photonics 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Impairment mitigation in non-coherent optical transmission enabled with machine learning for intra-datacenter networks2017
- Author(s)
  Keisuke Ito, Masaki Niwa, Koh Ueda, Yojiro Mori, Hiroshi Hasegawa and Ken-ichi Sato
- Organizer
  Photonics West
- Place of Presentation
  San Francisco
- Year and Date
  2017-01-28
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 三波干渉によるレーザ線幅測定技術2017
- Author(s)
  山岡修平，森洋二郎，長谷川浩，佐藤健一
- Organizer
  レーザー学会学術講演会第37回年次大会
- Place of Presentation
  徳島大学常三島キャンパス
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 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2016
- Author(s)
  齋藤裕・森洋二郎・長谷川浩・佐藤健一
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Place of Presentation
  KDDI総合研究所
- Data Source
  KAKENHI-PROJECT-26280029
[Presentation] リンク容量増大とノードハードウエア規模削減を同時達成する光ネットワークアーキテクチャ2016
- Author(s)
  寺田　佑貴，森　洋二郎，長谷川　浩，佐藤　健一
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Place of Presentation
  鹿児島
- Year and Date
  2016-01-21
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Real-time Optical Path Control Method That Utilizes Multiple Support Vector Machines for Traffic Prediction2016
- Author(s)
  Hiroshi Kawase
- Organizer
  Photonics West 2016
- Place of Presentation
  Moscone Convention Center, SanFrancisco, USA
- Year and Date
  2016-02-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26280029
[Presentation] Demonstration of 720x720 optical fast circuit switch for intra-datacenter networks2016
- Author(s)
  K. Ueda, Y. Mori, H. Hasegawa, H. Matsuura, K. Ishii, H. Kuwatsuka, S. Namiki, and K. Sato
- Organizer
  SPIE Photonics West OPTO 2016
- Place of Presentation
  San Francisco
- Year and Date
  2016-02-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] サブシステムモジュラ型光クロスコネクト高信頼化構成2016
- Author(s)
  山上　修平，丹羽　真規，森　洋二郎，長谷川　浩，佐藤　健一
- Organizer
  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
- Place of Presentation
  沖縄
- Year and Date
  2016-03-07
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] MxM WSS based ROADM architecture with topology-insensitive routing performance2016
- Author(s)
  Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  42nd European Conference and Exhibition on Optical Communication (ECOC 2016)
- Place of Presentation
  Dusseldorf
- Year and Date
  2016-09-18
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 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2016
- Author(s)
  齋藤裕，森洋二郎，長谷川浩，佐藤健一
- Organizer
  電子情報通信学会，2016年ソサイエティ大会
- Place of Presentation
  北海道大学
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 高信頼光クロスコネクトノード構成2016
- Author(s)
  山上　修平，丹羽　真規，森　洋二郎，長谷川　浩，佐藤　健一
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Place of Presentation
  沖縄
- Year and Date
  2016-03-07
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 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性2016
- Author(s)
  伊藤　圭佑，森　洋二郎，長谷川　浩，佐藤　健一
- Organizer
  電子情報通信学会，2016年総合大会
- Place of Presentation
  九州大学
- Year and Date
  2016-03-15
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Experimental demonstration of 2,160x2,160 optical circuit switch for intra-datacenter networking2016
- Author(s)
  Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Hiroyuki Matsuura, Kiyo Ishii, Haruhiko Kuwatsuka, Shu Namiki, and Ken-ichi Sato
- Organizer
  2016 Photonics Society Conference (IPC)
- Place of Presentation
  Hawaii
- Year and Date
  2016-10-02
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Highly spectral efficient elastic optical network employing grouped optical path routing2016
- Author(s)
  Y. Terada, Y. Mori, H. Hasegawa, and K. Sato
- Organizer
  OFC/NFOEC 2016
- Place of Presentation
  Anaheim
- Year and Date
  2016-03-20
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 高信頼サブシステムモジュラ光クロスコネクト2016
- Author(s)
  山上　修平，丹羽　真規，森　洋二郎，長谷川　浩，佐藤　健一
- Organizer
  電子情報通信学会，2016年総合大会
- Place of Presentation
  九州大学
- Year and Date
  2016-03-15
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 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2016
- Author(s)
  安田拓真，森洋二郎，長谷川浩，佐藤健一
- Organizer
  電子情報通信学会，2016年ソサイエティ大会
- Place of Presentation
  北海道大学
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] データセンタ用大規模光スイッチの設計2016
- Author(s)
  永井宏樹，上田　恒，森洋二郎，長谷川浩，佐藤健一
- Organizer
  電子情報通信学会，2016年ソサイエティ大会
- Place of Presentation
  北海道大学
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Tipping point for the future scalable OXC -What size MxN WSS is needed?-2016
- Author(s)
  Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  OFC/NFOEC 2016
- Place of Presentation
  Anaheim
- Year and Date
  2016-03-20
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] MxM WSSを用いた大規模光ノード構成2016
- Author(s)
  丹羽真規，森　洋二郎，長谷川　浩，佐藤　健一
- Organizer
  電子情報通信学会，2016年総合大会
- Place of Presentation
  九州大学
- Year and Date
  2016-03-15
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Optical networking utilizing virtual direct links2016
- Author(s)
  Yusaku Ito, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
- Organizer
  42nd European Conference and Exhibition on Optical Communication (ECOC 2016)
- Place of Presentation
  Dusseldorf
- Year and Date
  2016-09-18
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 非対称サブスイッチを用いたデータセンタ向け大規模光スイッチ2016
- Author(s)
  上田　恒，森　洋二郎，長谷川　浩，佐藤　健一，渡辺　俊夫
- Organizer
  2016年レーザ学会学術講演会第36回年次大会
- Place of Presentation
  名城大学
- Year and Date
  2016-01-09
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Low-Loss and Large-Scale Optical Switch Utilizing Asymmetric-Port-Count Cyclic AWGs2016
- Author(s)
  K. Ueda, Y. Mori, H. Hasegawa, K. Sato, and O. Moriwaki
- Organizer
  2016 IEEE 6th International Conference on Photonics (ICP)
- Place of Presentation
  Malaysia
- Year and Date
  2016-03-14
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Performance Improvement of Optical Networks with Waveband Virtual Links2016
- Author(s)
  Yusaku Ito, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
- Organizer
  IEICE General Conference 2016
- Place of Presentation
  九州大学
- Year and Date
  2016-03-15
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Highly reliable and cost effective large scale optical cross-connect architecture2016
- Author(s)
  Shuhei Yamakami, Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi
- Organizer
  2016 Photonics Society Conference (IPC)
- Place of Presentation
  Hawaii
- Year and Date
  2016-10-02
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 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性2016
- Author(s)
  伊藤　圭佑，森　洋二郎，長谷川　浩，佐藤　健一
- Organizer
  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
- Place of Presentation
  沖縄
- Year and Date
  2016-03-07
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Demonstration of Virtual Direct Link Optical Networks2016
- Author(s)
  Yusaku Ito, Masaki Niwa, Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  2016 Photonics Society Conference (IPC)
- Place of Presentation
  Hawaii
- Year and Date
  2016-10-02
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Performance comparison of grouped optical path routing networks that adopt different granular shared protection schemes2016
- Author(s)
  石川智啓・森洋二郎・長谷川浩・佐藤健一
- Organizer
  電子情報通信学会2016年ソサイエティ大会
- Place of Presentation
  北海道大学
- Data Source
  KAKENHI-PROJECT-26280029
[Presentation] Novel Optical-Node Architecture Utilizing Asymmetric-Multiport Wavelength-Selective Switches2016
- Author(s)
  Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  2016 Photonics Society Conference (IPC)
- Place of Presentation
  Hawaii
- Year and Date
  2016-10-02
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Recent progress in large-scale optical switches for intra-datacenter interconnection2016
- Author(s)
  Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  PIERS
- Place of Presentation
  上海
- Year and Date
  2016-08-08
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Algorithm for raising OXC port count to meet traffic growth at minimum-cost2016
- Author(s)
  Kosuke Sato, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  OFC/NFOEC 2016
- Place of Presentation
  Anaheim
- Year and Date
  2016-03-20
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Spectral Efficient grouped routing network that applies dynamic optical path grooming2016
- Author(s)
  Yuki Terada, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  OECC/PS 2016
- Place of Presentation
  Niigata
- Year and Date
  2016-07-03
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Spectral-efficiency maximization with subcarrier-multiplexed hybrid-qam signals adaptive to distance and hop count2016
- Author(s)
  Yuma Isono, Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
- Organizer
  42nd European Conference and Exhibition on Optical Communication (ECOC 2016)
- Place of Presentation
  Dusseldorf
- Year and Date
  2016-09-18
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Large-scale optical circuit switch for intra-datacenter networking using silicon-photonic multicast switch and tunable filter2016
- Author(s)
  Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Keijiro Suzuki, Hiroyuki Matsuura, Ken Tanizawa, Satoshi Suda, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima, Shigeru Nakamura, Shigeyuki Yanagimachi, Akio Tajima, and Ken-ichi Sato
- Organizer
  42nd European Conference and Exhibition on Optical Communication (ECOC 2016)
- Place of Presentation
  Dusseldorf
- Year and Date
  2016-09-18
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Grouped Routingに基づく高周波数利用効率ネットワーク2015
- Author(s)
  寺田　佑貴，森　洋二郎，長谷川　浩，佐藤　健一
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Place of Presentation
  沖縄
- Year and Date
  2015-03-18
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] グループ化光パスルーティングネットワークにおける増加トラフィックの順次収容2015
- Author(s)
  寺田　佑貴，森　洋二郎，長谷川　浩，佐藤　健一
- Organizer
  電子情報通信学会，2015年ソサイエティ大会
- Place of Presentation
  東北大学
- Year and Date
  2015-09-08
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Evaluation of Frequency Utilization Enhancement with Transmission-Characteristics-Aware Grouped Optical Path Routing2015
- Author(s)
  Yuki Terada, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Takafumi Tanaka
- Organizer
  Photonics in Switching
- Place of Presentation
  Florence
- Year and Date
  2015-09-22
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Cost Effective and Resilient Optical Network that Offers Seamless Network Expansion via Subsystem Modular OXCs and Inter-node Interconnection Optimization2015
- Author(s)
  Kosuke Sato, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  Photonics in Switching
- Place of Presentation
  Florence
- Year and Date
  2015-09-22
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 多入力多出力波長選択スイッチを用いた大規模光ノード構成2015
- Author(s)
  丹羽真規，森　洋二郎，長谷川　浩，佐藤　健一
- Organizer
  電子情報通信学会，2015年ソサイエティ大会
- Place of Presentation
  東北大学
- Year and Date
  2015-09-08
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 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2015
- Author(s)
  石川，森，長谷川、佐藤
- Organizer
  2016年電子情報通信学会全国大会
- Place of Presentation
  立命館大学(滋賀県)
- Year and Date
  2015-03-11
- Data Source
  KAKENHI-PROJECT-26280029
[Presentation] Resilient Grouped Routing Optical Networks With Finely Granular Protection2015
- Author(s)
  Hiroshi Hasegawa
- Organizer
  19th International Conference on Optical Networks Design and Modelling (ONDM 2015) Conference of the Optical Networks Design and Modelling (ONDM 2015)
- Place of Presentation
  Scuola Superiore Sant'Anna, Pisa, Italy
- Year and Date
  2015-05-11
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26280029
[Presentation] Design of Grouped Routing Entity (GRE)-based Optical Networks with 100% Signal Quality Guarantee2015
- Author(s)
  Amornrat Jirattigalachote, Yuki Taniguchi, Toshinori Ban, Paolo Monti, Lena Wosinska, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  ONDM2014
- Place of Presentation
  (発表予定)
- Data Source
  KAKENHI-PROJECT-24700063
[Presentation] Large-Scale Optical Switch with Simplified Sub-Switch Connections for Datacenter Application2015
- Author(s)
  Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe
- Organizer
  Photonics in Switching
- Place of Presentation
  Florence
- Year and Date
  2015-09-22
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 周期的な設備増設を考慮した高信頼化大規模フォトニックネットワークの設計法2015
- Author(s)
  佐藤　晃輔，森　洋二郎，長谷川　浩，佐藤　健一
- Organizer
  電子情報通信学会，2015年ソサイエティ大会
- Place of Presentation
  東北大学
- Year and Date
  2015-09-08
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 低損失・低消費電力アレイ導波路回折格子型波長可変フィルタ2015
- Author(s)
  丹羽　真規，高科　翔一，森　洋二郎，長谷川　浩，佐藤　健一，渡辺　俊夫
- Organizer
  レーザ学会学術講演会第35回年次大会
- Place of Presentation
  東海大学
- Year and Date
  2015-01-11
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Performance evaluation of subsystem modular OXCs with different subsystem connection configurations2015
- Author(s)
  Y. Tanaka, H. Hasegawa, and K. Sato
- Organizer
  The 20th OptoElectronics and Communications Conference (OECC 2015)
- Place of Presentation
  Shanghai
- Year and Date
  2015-06-28
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Experimental demonstration of multi-granular optical-path network that utilizes wavelength/waveband-selective switches2015
- Author(s)
  K. Ueda, M. Niwa, Y. Mori, H. Hasegawa, K. Sato, T. Miyazawa, and H. Harai
- Organizer
  The 20th OptoElectronics and Communications Conference (OECC 2015)
- Place of Presentation
  Shanghai
- Year and Date
  2015-06-28
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 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2015
- Author(s)
  上田　恒，森　洋二郎，長谷川　浩，佐藤　健一，渡辺　俊夫
- Organizer
  電子情報通信学会フォトニックネットワーク研究会、第11回学生ワークショップ
- Place of Presentation
  沖縄
- Year and Date
  2015-03-19
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] スケーラブルな大規模光クロスコネクト構成技術2015
- Author(s)
  長谷川浩，佐藤健一
- Organizer
  レーザ学会学術講演会第35回年次大会
- Place of Presentation
  東海大学
- Year and Date
  2015-01-11
- Invited
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 高密度波長配置ルーティングによる 1600x1600大規模光スイッチ2015
- Author(s)
  上田　恒，森　洋二郎，長谷川　浩，佐藤　健一，渡辺　俊夫
- Organizer
  電子情報通信学会，2015年ソサイエティ大会
- Place of Presentation
  東北大学
- Year and Date
  2015-09-08
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Highly Scalable and Compact ROADM Architecture that Exploits MxN Wavelength Selective Switches2015
- Author(s)
  Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, and Kenichi Sato
- Organizer
  Photonics in Switching
- Place of Presentation
  Florence
- Year and Date
  2015-09-22
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Blocking performance of multi-stage routing optical path networks2014
- Author(s)
  L. H. Chau, H. Hasegawa and K. Sato
- Organizer
  OptoElectronics and Communication Conference, OECC/AOTF 2014
- Place of Presentation
  Melbourne, Australia
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Design of Grouped routing entity (GRE)-based optical networks with 100% signal quality guarantee2014
- Author(s)
  A. Jirattigalachote, P. Monti, L. Wosinska, Y. Taniguchi, T. Ban, H. Hasegawa, and K. Sato
- Organizer
  IEEE Optical Network Design and Moedling conference, ONDM 2014
- Place of Presentation
  Stockholm
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Design of reliable optical path networks that consist of large scale subsystem-modular OXC nodes2014
- Author(s)
  Kousuke Sato, H. Hasegawa and K. Sato
- Organizer
  OptoElectronics and Communication Conference, OECC/AOTF 2014
- Place of Presentation
  Melbourne, Australia
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] 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2014
- Author(s)
  佐藤晃輔,長谷川浩,佐藤健一
- Organizer
  電子情報通信学会第10回PNワークショップ
- Data Source
  KAKENHI-PROJECT-24700063
[Presentation] 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2014
- Author(s)
  沈志舒，長谷川　浩，佐藤　健一
- Organizer
  2014年ソサイエティ大会
- Place of Presentation
  徳島大学
- Year and Date
  2014-09-23
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] Design of Grouped Routing Entity (GRE)-based Optical Networks with 100% Signal Quality Guarantee2014
- Author(s)
  Amornrat Jirattigalachote, Yuki Taniguchi, Toshinori Ban, Paolo Monti, Lena Wosinska, Hiroshi Hasegawa, and Ken-ichi Sato
- Organizer
  ONDM2014
- Place of Presentation
  スウェーデン王立工科大学（スウェーデン・ストックホルム）
- Data Source
  KAKENHI-PROJECT-24700063
[Presentation] Grouped Routingによるファイバ周波数利用効率の向上2014
- Author(s)
  寺田　佑貴，森　洋二郎，長谷川　浩，佐藤　健一
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Place of Presentation
  香川大学
- Year and Date
  2014-06-26
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] 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2014
- Author(s)
  石川，森，長谷川、佐藤
- Organizer
  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
- Place of Presentation
  NTT武蔵野研究開発センタ(東京都)
- Year and Date
  2014-11-28
- Data Source
  KAKENHI-PROJECT-26280029
[Presentation] Impact of branching in grouped routing optical networks in a dynamic scenario2014
- Author(s)
  Mauro Marinho Soares, Hiroshi Hasegawa, Ken-ichi Sato
- Organizer
  IEICE Communications Society Conference 2014
- Place of Presentation
  Tokushima University
- Year and Date
  2014-09-23
- Data Source
  KAKENHI-PROJECT-26220905
[Presentation] ２段階ルーティング型光パスネットワークの動的制御2014
- Author(s)
  岡　孝一郎、長谷川　浩、佐藤　健一
- Organizer
  電子情報通信学会、2014年全国大会
- Place of Presentation
  新潟大学
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] [奨励講演] 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2014
- Author(s)
  沈　志舒、長谷川　浩、佐藤　健一
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Place of Presentation
  徳島文理大学香川キャンパス
- Invited
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Cyclic AWGを用いた大規模波長ルーティングスイッチ2014
- Author(s)
  上田　恒、森　洋二郎、長谷川　浩、佐藤　健一
- Organizer
  レーザ学会学術講演会
- Place of Presentation
  北九州
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Hardware scale and performance evaluation of compact OXC add/drop architecture2014
- Author(s)
  H. Ishida, H. Hasegawa and K. Sato
- Organizer
  OFC/NFOEC 2014
- Place of Presentation
  San Francisco
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] 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2014
- Author(s)
  佐藤　晃輔, 長谷川　浩, 佐藤　健一
- Organizer
  電子情報通信学会第10回PN研究会学生ワークショップ
- Place of Presentation
  徳島文理大学
- Data Source
  KAKENHI-PROJECT-24700063
[Presentation] Fiber capacity enhancement employing grouped optical path routing2014
- Author(s)
  Y. Terada, Y. Mori, H. Hasegawa, and K. Sato
- Organizer
  IEICE General Conference 2014
- Place of Presentation
  Niigata University, Japan
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Port count analysis of wavelength routing switch that utilizes cyclic AWGs2014
- Author(s)
  K. Ueda, Y. Mori, H. Hasegawa, and K. Sato
- Organizer
  IEICE General Conference 2014
- Place of Presentation
  Niigata University, Japan
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] A novel flexible grid/semi-flexible grid optical path network design algorithm that reserves exclusive frequency slots for high bitrate signals2014
- Author(s)
  Z. Shen, H. Hasegawa, and K. Sato
- Organizer
  IEEE Optical Network Design and Moedling conference, ONDM 2014,
- Place of Presentation
  Stockholm
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] 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2014
- Author(s)
  高科　翔一、森　洋二郎、長谷川　浩、佐藤　健一、渡辺　俊夫
- Organizer
  レーザ学会学術講演会
- Place of Presentation
  北九州
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Low crosstalk wavelength tunable filter that utilizes symmetric and asymmetric Mach-Zehnder interferometers2014
- Author(s)
  S.Takashina, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe
- Organizer
  OFC/NFOEC 2014
- Place of Presentation
  San Francisco
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Performance evaluations of large-scale OXC that achieves modular and hitless expansion2014
- Author(s)
  Y. Tanaka, H. Hasegawa, and K. Sato
- Organizer
  OFC/NFOEC 2014
- Place of Presentation
  San Francisco
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] 大規模光クロスコネクトを用いた超大容量ノード2014
- Author(s)
  高羽　健介、森　洋二郎、長谷川　浩、佐藤　健一、渡辺　俊夫
- Organizer
  レーザ学会学術講演会
- Place of Presentation
  北九州
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] 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2014
- Author(s)
  沈　志舒、長谷川　浩、佐藤　健一
- Organizer
  電子情報通信学会、2014年全国大会
- Place of Presentation
  新潟大学
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Development of ultra-compact 8x8 waveband cross-connect sub-system2013
- Author(s)
  K. Takaha, T. Ban, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno
- Organizer
  PS/OECC 2013
- Place of Presentation
  Kyoto
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] 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2013
- Author(s)
  沈　志舒、長谷川　浩、佐藤　健一
- Organizer
  電子情報通信学会、2013年ソサイエティ大会
- Place of Presentation
  福岡工業大学
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] An efficient add/drop architecture for large-scale subsystem-modular OXC2013
- Author(s)
  H. Ishida, H. Hasegawa and K. Sato
- Organizer
  15th International Conference on Transparent Optical Networks, ICTON 2013
- Place of Presentation
  Cartagena, Spain
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Dynamic Grouped Routing Optical Networks for Cost Effective and Agile Wavelength Services2013
- Author(s)
  Yuki Taniguchi, Hiroshi Hasegawa, Ken-ichi Sato
- Organizer
  OFC/NFOEC201
- Data Source
  KAKENHI-PROJECT-24700063
[Presentation] Design strategies for Survivable Grouped Routing Entity (GRE)-based Optical Networks2013
- Author(s)
  Hiroshi Hasegawa, Yuki Taniguchi, Ken-ichi Sato, Amornrat Jirattigalachote, Paolo Monti, Lena Wosinska
- Organizer
  9th International Confernce on Design of Reliable Communication Networks
- Place of Presentation
  Budapest, Hungary
- Data Source
  KAKENHI-PROJECT-24700063
[Presentation] Subsystem modular OXC architecture that achieves disruption free port count expansion2013
- Author(s)
  Y.Tanaka, Y.Iwai, H.Hasegawa, K.Sato
- Organizer
  ECOC 2013
- Place of Presentation
  London (Th.2.E.4)
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Performance evaluations of large-scale OXCs that utilize multi-stage hetero-granular optical path switching2013
- Author(s)
  L. H. Chau, H. Hasegawa and K. Sato
- Organizer
  ECOC 2013
- Place of Presentation
  London
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Design strategies for survivable Grouped Routing Entity (GRE)-based optical networks2013
- Author(s)
  H. Hasegawa
- Organizer
  DRCN
- Place of Presentation
  Budapest, Hungary
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Impact of wavelength/waveband convertors and the cost bound in hierarchical optical path networks2013
- Author(s)
  Z.Shen, H.Hasegawa, K.Sato
- Organizer
  OFC/NFOEC 2013
- Place of Presentation
  Anaheim (OM3A.5)
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] 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2013
- Author(s)
  田中　康寛、長谷川　浩、佐藤　健一
- Organizer
  電子情報通信学会、2013年ソサイエティ大会
- Place of Presentation
  福岡工業大学
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Subsystem modular oxc architecture that achieves disruption free port count expansion2013
- Author(s)
  Y. Tanaka, Y. Iwai, H. Hasegawa, and K. Sato
- Organizer
  ECOC 2013
- Place of Presentation
  London
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] 多段型波長ルーティングスイッチにおける接続最適化2013
- Author(s)
  長谷川　浩、佐藤　健一
- Organizer
  電子情報通信学会、2013年ソサイエティ大会
- Place of Presentation
  福岡工業大学
- Invited
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] A Comparison of large-scale selective switch-based optical cross-connects2013
- Author(s)
  L. H. Chau, H. Hasegawa and K. Sato
- Organizer
  2013 International Conference on Advanced Technologies for Communications (ATC 2013)
- Place of Presentation
  Ho Chi Minh, Vietnam
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] A novel semi-flexible grid optical path network that utilizes aligned frequency slot arrangement2013
- Author(s)
  Z.Shen, H.Hasegawa, K.Sato, T.Tanaka, and A.Hirano
- Organizer
  ECOC 2013
- Place of Presentation
  London (Invited for Optics Express ECOC special issue) (We.2.E.2)
- Invited
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] A 270 x 270 optical cross-connect switch utilizing wavelength routing with cascaded AWGs2013
- Author(s)
  T.Niwa, H.Hasegawa, K.Sato
- Organizer
  OFC/NFOEC 2013
- Place of Presentation
  Anaheim (OTh1A.3)
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] 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2013
- Author(s)
  沈　志舒、長谷川　浩、佐藤　健一
- Organizer
  電子情報通信学会フォトニックネットワーク研究会
- Place of Presentation
  郡山
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Design strategies for Survivable Grouped Routing Entity (GRE)-based Optical Networks2013
- Author(s)
  Hiroshi Hasegawa, Yuki Taniguchi, Ken-ichi Sato, Amornrat Jirattigalachote, Paolo Monti,and Lena Wosinska
- Organizer
  DRCN2013
- Data Source
  KAKENHI-PROJECT-24700063
[Presentation] Performance evaluation of large-scale OXC architectures that utilize intra-node routing restriction2013
- Author(s)
  L.H.Chau, H.Hasegawa, and K.Sato
- Organizer
  OECC/PS 2013
- Place of Presentation
  (MQ2-2)
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] A novel semi-flexible grid optical path network that utilizes aligned frequency slot arrangement2013
- Author(s)
  Z. Shen, H. Hasegawa, K. Sato, T. Tanaka, and A. Hirano
- Organizer
  ECOC 2013
- Place of Presentation
  London
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] OXC hardware scale reduction attained by using interconnected subsystem architecture2013
- Author(s)
  Y.Iwai, H.Hasegawa, K.Sato
- Organizer
  OFC/NFOEC 2013
- Place of Presentation
  Anaheim (NW1J.2)
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Performance evaluation of large-scale OXC architectures that utilize intra-node routing restriction2013
- Author(s)
  L. H. Chau, H. Hasegawa and K. Sato
- Organizer
  PS/OECC2013
- Place of Presentation
  Kyoto
- Invited
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Evaluation of hardware requirements for large-scale oxc architecture employing wavelength switching and fiber selection2013
- Author(s)
  T. Ban, L. H. Chau, H. Hasegawa and K. Sato
- Organizer
  PS/OECC 2013
- Place of Presentation
  Kyoto
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Dynamic Grouped Routing Optical Networks for Cost Effective and Agile Wavelength Services2013
- Author(s)
  Yuki Taniguchi, Hiroshi Hasegawa, Ken-ichi Sato
- Organizer
  Optical Fiber Communication Conference and Exposition/National Fiber Optic Engineers Conference (OFC/NFOEC)
- Place of Presentation
  Anaheim, USA
- Data Source
  KAKENHI-PROJECT-24700063
[Presentation] Performance evaluations of large-scale OXCs that utilize multi-stage hetero- granular optical path switching2013
- Author(s)
  L.H.Chau, H.Hasegawa, and K.Sato
- Organizer
  ECOC 2013
- Place of Presentation
  (Invited for Optics Express ECOC special issue) (Th.2.E.3)
- Invited
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Evaluations of different optical path add/drop ratio restriction schemes on OXC hardware scale and network resource requirement2012
- Author(s)
  F.Naruse, Y.Yamada, H.Hasegawa, K.Sato
- Organizer
  OFC/NFOEC 2012
- Place of Presentation
  Los Angels, USA
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] A novel optical networking scheme utilizing coarse granular optical routing and fine granular add/drop2012
- Author(s)
  Y.Taniguti, Y.Yamada, H.Hasegawa, K.Sato
- Organizer
  OFC/NFOEC 2012
- Place of Presentation
  Los Angels (JW2A.2)
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Compact Wavelength Tunable Filter Fabricated on a PLC Chip that Realizes Colorless/Directionless/Contentionl ess Drop Function in Optical Cross-Connect2012
- Author(s)
  T.Niwa, R.Hirako, H.Hasegawa, K.Sato, M.Okuno, and T.Watanabe
- Organizer
  OFC/NFOEC2012
- Place of Presentation
  Los Angels (OTh3D.6)
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] A Large Capacity Optical Cross-connect Architecture Exploiting Multi-Granular Optical Path Routing2012
- Author(s)
  L.H.Chau, H.Hasegawa and K.Sato
- Organizer
  Photonics in Switching 2012 (PS 2012)
- Place of Presentation
  Corsica (Fr-S26-O14)
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] A novel optical networking scheme utilizing coarse granular optical routing and fine granular add/drop2012
- Author(s)
  Y.Taniguti, Y.Yamada, H.Hasegawa, K.Sato
- Organizer
  OFC/NFOEC 2012
- Place of Presentation
  Los Angels, USA
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Colorless/Directionless/Contentionless optical add/drop architecture applying waveband technologies and colorless MUX/DEMUX2012
- Author(s)
  Y.Yamada, R.Hirako, H.Hasegawa, K.Sato
- Organizer
  OFC/NFOEC 2012
- Place of Presentation
  (JTh2A.44)
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Compact Wavelength Tunable Filter Fabricated on a PLC Chip that Realizes Colorless/Directionless/Contentionless Drop Function in Optical Cross-Connect2012
- Author(s)
  T.Niwa, R.Hirako, H.Hasegawa, K.Sato, M.Okuno, T.Watanabe
- Organizer
  OFC/NFOEC 2012
- Place of Presentation
  Los Angels, USA
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] A novel large-scale OXC architecture that employs wavelength path switching and fiber selection2012
- Author(s)
  T.Ban, H.Hasegawa, T.Watanabe, and H.Takahashi
- Organizer
  ECOC 2012
- Place of Presentation
  Amsterdam (We.3.D.1)
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Evaluations of different optical path add/drop ratio restriction schemes on OXC hardware scale and network resource requirement2012
- Author(s)
  F.Naruse, Y.Yamada, H.Hasegawa, K.Sato
- Organizer
  OFC/NFOEC 2012
- Place of Presentation
  Los Angels (OTh1A.5)
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Compact tunable filter realized with combination of wavelength routing and switch function2012
- Author(s)
  T.Niwa, H.Hasegawa, and K.Sato
- Organizer
  Photonics in Switching 2012 (PS 2012)
- Place of Presentation
  Corsica (Th-S23-O06)
- Data Source
  KAKENHI-PROJECT-23246072
[Presentation] Router Power Reduction by Active Performance Control Realized with Support Vector Machines
- Author(s)
  Hiroshi Kawase, Hiroshi Hasegawa, Ken-ichi Sato
- Organizer
  International Conference on Computing, Networking and Communications (ICNC 2015)
- Place of Presentation
  Anaheim, USA
- Year and Date
  2015-02-16 – 2015-02-19
- Data Source
  KAKENHI-PROJECT-26280029

1. SATO Ken-ichi (00377805)

# of Collaborated Projects: 3 results

# of Collaborated Products: 151 results
2. 森洋二郎 (10722100)

# of Collaborated Projects: 3 results

# of Collaborated Products: 81 results
3. SAKANIWA Kohichi (30114870)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. YAMADA Isao (50230446)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
5. SHIBUYA Tomoharu (20262280)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 神野正彦 (10503550)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 菊池和朗 (50134458)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 石原亨 (30323471)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 増田豊 (60845527)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Hasegawa Hiroshi 長谷川 浩

HASEGAWA Hiroshi 長谷川 浩

Research Projects

Research Products

Co-Researchers

Highly Energy Efficient and Broadband Information Processing Platform based on Optical Functional Circuits

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Adaptive and Integrated Control of Optical Routing Metro NetworksPrincipal Investigator

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ハイパースケール光ネットワークノードの研究

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Studies on dynamic interconnection of multiple optical networks by coarse granular optical path routingPrincipal Investigator

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Development of new-generation data-centric optical networks

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Agile and bandwidth abandant photonic networks utilizing path hierarchy and dynamic virtual fiber managementPrincipal Investigator

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High Performance Photonic Integrated Routing System

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ディジタル防犯カメラ映像からの高精細画像復元に関する研究Principal Investigator

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Fast Acquisition Algorithm for PN Sequences

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Improved OFDM-CDMA System coping with the Near-Far Problem

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[Journal Article] Highly Dense Elastic Optical Networks Enabled by Grouped Routing With Distance-Adaptive Modulation2019

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DOI

NAID

Data Source

[Journal Article] Design and Verification of Large-Scale Optical Circuit Switch Using ULCF AWGs for Datacenter Application2018

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DOI

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[Journal Article] First Demonstration of Subsystem-Modular Optical Cross-Connect Using Single-Module 6 × 6 Wavelength-Selective Switch2018

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Hasegawa Hiroshi 長谷川浩

HASEGAWA Hiroshi 長谷川浩