Research Activities - 2015 -

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Ken-ichi Sato

Associate Professor
Hiroshi Hasegawa

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Research Activities  -2015-

Journal Papers
  1. Y. Tanaka, H. Hasegawa, and K. Sato, "Performance analysis of large-scale OXC that enables dynamic modular growth," OSA Optics Express 23, pp. 5994-6006, Feb. 2015.
  2. S. Takashina, Y. Mori, H. Hasegawa, and K. Sato, “Wavelength-tunable filters utilizing arrayed waveguide gratings for Colorless/Directionless/Contentionless optical signal drop in ROADMs,” IEEE Photonics Journal, Volume:7, Issue: 1, February 2015, pp. 1-11.
  3. Z. Shen, H. Hasegawa, and K. Sato, "Integrity Enhancement of Flexible/Semi-Flexible Grid Networks That Minimizes Disruption in Spectrum Defragmentation and Bitrate-Dependent Blocking," OSA Journal of Optical Communications and Networking 7, pp. 235-247, March, 2015.
  4. S. Takashina, H. Ishida, M. Niwa, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe, “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,” IEEE Optics Express, Vol. 23, No. 11, May 2015, pp. 14796-14805.
  5. S. Takashina, H. Ishida, M. Niwa, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe, “Highly-scalable reconfigurable optical add-drop multiplexers utilizing subsystem-modular express and transponder-bank add/drop,” OSA Optics Express 23, pp. 14796-14805, May 2015.
  6. H. Ishida, H. Hasegawa, and K. Sato, "Hardware Scale and Performance Evaluation of a Compact Subsystem Modular Optical Cross Connect That Adopts Tailored Add/Drop Architecture," OSA Journal of Optical Communications and Networking 7, pp. 586-596, June, 2015.
  7. Y. Tanaka, H. Hasegawa, and K. Sato, "Criteria for Selecting Subsystem Configuration in Creating Large-Scale OXCs," OSA Journal of Optical Communications and Networking 7, pp. 1009-1017, September, 2015.
  8. K. Ishii, J. Kurumida, K. Sato, T. Kudoh, and S. Namiki, "Unifying top-down and bottom-up approaches to evaluate network energy consumption." IEEE Journal of Lightwave Technology, Vol. 33, Issue 21, August 2015, pp. 4395-4405
  9. A. Kadohata, A. Watanabe, A. Hirano, H. Hasegawa, and K. Sato, “Pre-adjustment rerouting for wavelength defragmentationin optical transparent WDM networks,” IEICE Trans. on Communications, Vol.E98-B, No.10, October 2015, pp. 2014-2021.
  10. A. Kadohata, T. Tanaka, A. Watanabe, A. Hirano, H. Hasegawa, and K. Sato, "Differential reliability path accommodation design and reconfiguration in virtualized multi-layer transport network," IEICE Trans. on Communications, Vol. E98-B, No.11, pp. 2151-2159, November, 2015.
International Conferences
  1. M. Niwa, S. Takashina, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe, “Wavelength-tunable Filter Utilizing Non-cyclic Arrayed Waveguide Grating to Create Colorless/Directionless/Contentionless ROADMs,” in SPIE Photonics West, paper 9388-6, Feb. 2015.
  2. M. M. Mauro, Y. Mori, H. Hasegawa, and K. Sato, “A novel optical path routing network that combines coarse granularity optical multicast with fine granularity add/drop and block,” Proc. SPIE 9388, Proc. SPIE 9388, Optical Metro Networks and Short-Haul Systems VII, 93880O, San Francisco，USA，February 2015.
  3. H. Kawase, H.Hasegawa, and K. Sato, "Router Power Reduction by Active Performance Control Realized with Support Vector Machines," ICNC2015, pp.530-535, Anaheim, February, 2015.
  4. H. Ishida, H. Hasegawa, and Ken-ichi Sato, "Highly Scalable Subsystem Modular OXC Nodes that Host Tailored Add/drop Mechanism," OFC2015, Th2A.47.
  5. H. Hasegawa and K. Sato, “Large scale optical cross-connect: architecture, performance analysis, and feasibility demonstration,” OFC2015, W3J.1, Los Angels, March, 2015.
  6. K．Ueda, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe, “Large-Scale Optical-switch Prototype Compactly Implemented with Novel Functional Configuration”, OFC2015, W3D.1. Los Angels, March, 2015.
  7. Y. Terada, Y. Mori, H. Hasegawa, and K. Sato, “Residual Capacity Aware Dynamic Control of GREbased Routing Optical Path Networks under Traffic Growth Model”, OFC2015, paper Th1l.6. Los Angels, March, 2015.
  8. Z. Shen, T. Kusano, H. Hasegawa, and K. Sato, “A novel routing and frequency slot assignment scheme that can adapt to transmission speed migration,” OFC2015, paper W1I.2, Los Angeles, March 2015.
  9. H. Hasegawa, Y. Mori, and K. Sato, “Resilient grouped routing optical networks that adopt fine granular protection,” 19th International Conference on Optical Networks Design & Modeling, ONDM 2015, We7.3P, Pisa, Italy, May, 2015.
  10. H. Hasegawa, S. Subramaniam, and K. Sato, “Flexible waveband routing optical networks,” IEEE International Conference on Communications, ICC 2015, London, June, 2015, pp. 6816-6821.
  11. K. Ueda, M. Niwa, Y. Mori, H. Hasegawa, K. Sato, T. Miyakawa, and H. Harai, “Experimental Demonstration of Multi-Granular Optical-Path Network Utilizing Wavelength/Waveband-Selective Switches,” in OptoElectrinics and Communications Conference, OECC2015, JThB.15, Shanghai,June, 2015.
  12. A. Kadohata, T. Tanaka, A. Watanabe, A. Hirano, H. Hasegawa, and K. Sato, “Path Accommodation Design and Reconfiguration for Different Reliable Classes in Virtualized Multi-layer Transport Network,” The 20th OptoElectronics and Communications Conference, OECC2015, JTuB.24, Shanghai, June, 2015.
  13. Y. Tanaka, H. Hasegawa, and K. Sato, “Performance Evaluation of Subsystem Modular OXCs with Different Subsystem Connection Configurations,” submitted to Opto Electronics and Communications Conference, OECC2015, PWe.05, Shanghai, June, 2015.
  14. T. Miyazawa, T. Hirayama, H. Harai, K. Ueda, Y. Mori, H. Hasegawa and K. Sato, “Wavelength path signalling for WSS/WBSS combined optical switches in hierarchical optical networks,” The International Conference on Transparent Optical Networks, ICTON 2015, Tu.B.3.5, Hungary, July, 2015．
  15. K. Sato, “Key technologies to expand optical networking capabilities,” The International Conference on Transparent Optical Networks, ICTON 2015, We.D.3.2, Hungary, July, 2015.
  16. K. Ishii, J. Kurumida, K. Sato, T. Kudoh, and S. Namiki, "Estimation of energy consumption of data communication network in Japan," the 7th International Symposium on Ultrafast Photonic Technologies (ISUPT 2015), Extremely Advanced Transmission Technology (ISUPT/EXAT 2015), P-4, Kyoto, July, 2015.
  17. K. Sato, “Photonic networking technologies for inter- and intra- data centers,” Majorca at MIT Workshop, July 27-29, 2015, MIT, Cambridge.
  18. K．Ueda, Y. Mori, H. Hasegawa, K. Sato, T. Watanabe, “Large-scale optical switch with simplified sub-switch connections for datacenter application,” Photonics in Switching, FrIII2-2, Sep. 2015.
  19. K. Sato, Y. Mori, H. Hasegawa, K. Sato, “Cost Effective and Resilient Optical Network that Offers Seamless Network Expansion via Subsystem Modular OXCs and Inter-node Interconnection Optimization,” Photonics in Switching, WeIII3-3, Florence, September, 2015.
  20. K. Sato, “Large Port Count Optical Switch Systems for Future Datacenters,” Photonics in Switching, FrII2-1, Florence, September, 2015.
  21. M. Niwa, Y. Mori, H. Hasegawa, K. Sato, “Highly Scalable and Compact ROADM Architecture that Exploits MxN Wavelength Selective Switches,”Photonics in Switching, WeII3-2, September, 2015.
  22. Y. Terada, Y. Mori, H. Hasegawa, K. Sato and T. Tanaka, “Evaluation of Frequency Utilization Enhancement with Transmission-Characteristics-Aware Grouped Optical Path Routing,”Photonics in Switching, SC4-2, September, 2015.
  23. S. Deb, H. Hasegawa, Y. Mori, and K. Sato, “Impairment-aware optical multicast tree design with modulation format optimization” Photonics in Switching, paper SC4-1, Florence，Italy，Sep. 2015.
  24. Y. Terada, Y. Mori, H. Hasegawa, and K. Sato, “Novel Network Control Scheme that Can Substantially Reduce Link and Node Costs Simultaneously,” ECOC2015, We.4.5.5, September, 2015.
  25. T. Ishikawa, Y. Mori, H. Hasegawa and K. Sato, “Shared Protected Grouped Optical Path Routing Network Design Employing Iterative Path Group Relocation,”in Reliable Networks Design and Modeling, October, 2015.
  26. K. Ishii, J. Kurumida, K. Sato, T. Kudoh, and S. Namiki, “Energy consumption of data communication network in Japan estimated with top-down and bottom-up approach,” International Symposium on VICTORIES 2015, Akihabara, November, 2015.
  27. K. Sato, “Development of Large Capacity Future Optical Networks,” 10th International Workshop on Optical Signal Processing and Optical Switching, IWOO 2015, Beijin, China, November, 2015.
  28. K. Sato, “How Can Optical Technologies Compensate the Imminent Demise of Moore’s Law? “ 2015 IEIE Fall Conference, Oak Valley, Wonju-si, Korea. November, 2015.
 

Domestic Conference Papers  -2015-

  1. 丹羽真規, 高科翔一, 森洋二郎, 長谷川浩, 佐藤健一, 渡辺俊夫, “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,” レーザー学会学術講演会第35回年次大会, 11pVI02, 2015年1月．
  2. 岡孝一郎, 長谷川浩, 佐藤健一, "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," 電子情報通信学会, 2015年総合大会, 立命館大・w, B-12-5, 2015年3月.
  3. 石井，・・ｩ田，佐藤，工藤，並木周，“日本のデータ通信ネットワークにおける消費電力量の推移，” 電子情報通信学会，2015年全国大会, 立命館大学, B-12-11, 2015年3月.
  4. 石川智啓, 森洋二郎, 長谷川浩, 佐藤健一, "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," 電子情報通信学会，2015年総合大会, 立命館大学，B-12-14, 2015年3月.
  5. 草野太希, 沈志舒, 長谷川浩, 佐藤健一, "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," 電子情報通信学会, 2015年総合大会, 立命館大学, B-12-22, 2015年3月.
  6. 上田恒，森 洋二郎, 長谷川 浩，佐藤 健一，渡辺 俊夫，“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，”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，沖縄，2015年3月.
  7. 寺田佑貴，森洋二郎，長谷川浩，佐藤健一，“［奨励講演］Grouped Routing に基づく高周波数利用効率ネットワーク,”電子情報通信学会，フォトニックネットワーク研究会，vol. 114, no. 518, pp.75-80, PN2014-90, 沖縄，2015年3月.
  8. 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、“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，”電子情報通信学会，フォトニックネットワーク研究会，vol. 114, no. 518, pp.121-126, PN2014-98, 沖縄，2015年3月.
  9. Y. Mori, H. Hasegawa, and K. Sato,“Report on OFC2015 - Optical Networks -,” IEICE Optical Communication System Technical Group, IEICE Technical Report OCS2015-3, pp. 9-12, Tokyo, May 15, 2015.
  10. Yusaku Ito, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato,”Dynamic control of large scale optical path networks utilizing gtouped routing optical virtual links,” IEICE Photonic Network Technical Group, Technical Report PN2015-19, pp. 49-53, Hokkaido, August 31-September 1, 2015.
  11. H. Kawase, Y. Mori, H. Hasegawa, K. Sato,“Evaluation of Router Power Reduction in Terms of Routing Processing Control with Support Vector Machines, “IEICE Photonic Network Technical Group, Technical Report PN2015-16, Hokkaido, August 31-September 1, 2015, pp. 31-35.
  12. Y. Ito, Y. Mori, H. Hasegawa, and K. Sato, “An Optical Path Network Architecture Employing Waveband Virtual Links,”IEICE Society Conference 2015, B-12-14, Tohoku University, September 8-11, 2015.
  13. K. Ueda, Y. Mori, H. Hasegawa, K. Sato and T. Watanabe, “1600x1600 optical switch enabled by highly dense wavelength routing,”IEICE Society Conference 2015, B-12-8, Tohoku University, September 8-11, 2015.
  14. M. Niwa, Y. Mori, H. Hasegawa, and K. Sato, “Large-Scale Optical Node Exploiting MxN Wavelength-Selective Switches,”IEICE Society Conference 2015, B-12-9, Tohoku University, September 8-11, 2015.
  15. K. Ueda, Y. Mori, H. Hasegawa, K. Sato and T. Watanabe, “1600x1600 optical switch enabled by highly dense wavelength routing,”IEICE Society Conference 2015, B-12-8, Tohoku University, September 8-11, 2015.
  16. Y. Terada, Y. Mori, H. Hasegawa, and K. Sato, “Periodic Fiber Expansion in Grouped Optical Path Routing Networks,”IEICE Society Conference 2015, B-12-17, Tohoku University, September 8-11, 2015.
  17. H. Kawase, Y. Mori, H. Hasegawa, and K. Sato, “Dynamic Optical Path Capacity Adaptation Employing Support Vector Machines,”IEICE Society Conference 2015, B-12-16, Tohoku University, September 8-11, 2015.
  18. Kosuke. Sato, Yojiro. Mori, Hiroshi. Hasegawa, and Ken-ichi. Sato, “Design of Protected Optical Path Networks that consist of Modular Growth Capable OXC Nodes,”IEICE Society Conference 2015, B-12-13, Tohoku University, September 8-11, 2015.
  19. 森洋二郎，”［招待講演］ECOC2015報告 -基幹伝送関連-，”電子情報通信学会，光通信システム研究会，OCS2015-46，別府，大分，2015年10月.