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J-GLOBAL ID:200901027375112101   Update date: Oct. 17, 2024

Saitoh Kunimasa

サイトウ クニマサ | Saitoh Kunimasa
Affiliation and department:
Job title: Associate Professor
Homepage URL  (1): https://www.ist.hokudai.ac.jp/labo/photonics/
Research field  (3): Communication and network engineering ,  Optical engineering and photonics ,  Electronic devices and equipment
Research keywords  (8): Optical Fiber ,  Optical Fiber Communications ,  Optical Fiber Technology ,  Optoelectronics ,  Photonic Integrated Circuit ,  Silicon photonics ,  Computational Electromagnetics ,  Lightwave and Radio Science
Research theme for competitive and other funds  (18):
  • 2022 - 2027 結合型マルチモードマルチコアファイバによる革新的空間分割多重伝送技術に関する研究
  • 2019 - 2022 Coupled multicore fiber technology for innovative optical fiber communications
  • 2016 - 2019 光ファイバ通信の限界を打ち破るマルチコアマルチモードフォトニクス
  • 2013 - 2018 革新的光ファイバの実用化に向けた研究開発(マルチコア光ファイバ技術と標準化指標の確立)
  • 2013 - 2016 フォトニックバンドギャップ及びマルチコアによるファイバー高エネルギーパルス光源
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Papers (426):
  • Takumi Kimura, Takanori Sato, Masaki Wada, Takayoshi Mori, Taiji Sakamoto, Ryota Imada, Takashi Matsui, Kazuhide Nakajima, Kunimasa Saitoh. Design of a mode-dependent-loss controller using a long-period fiber grating with coating material for a 2LP-mode transmission system. Journal of the Optical Society of America B: Optical Physics. 2024. 41. 9. 1960-1967
  • Gustavo Ocampo, Takanori Sato, Mayu Iizuka, Kunimasa Saitoh. Random Polarization-Mode Coupling Effects in Heterogeneous Multi-Core Fibers With Different Cladding Diameters. Journal of Lightwave Technology. 2024. 42. 16. 5674-5680
  • Kodai Nakamura, Takanori Sato, Kunimasa Saitoh. A silicon mode multiplexer based on the three-stage cascaded wavelength insensitive coupler for MDM-WDM transmission system. IEICE Electronics Express. 2024. 21. 7. 20240065-20240065
  • Takanori Sato, Kengo Maeda, Yusuke Sawada, Takuya Mitarai, Takuo Hiratani, Takuya Okimoto, Tsutomu Ishikawa, Naoki Fujiwara, Hideki Yagi, Kunimasa Saitoh. High tolerant design of athermal Si wavelength filter using Mach-Zehnder interferometer. Japanese Journal of Applied Physics. 2024. 63. 4. 04SP55-04SP55
  • Takayoshi Mori, Takeshi Fujisawa, Junji Sakamoto, Yoko Yamashita, Taiji Sakamoto, Ryota Imada, Ryoto Ima, Takanori Sato, Kei Watanabe, Ryoichi Kasahara, et al. Variable Mode-Dependent-Loss equalizer based on Silica-PLC for Three-Mode transmission. Optical Fiber Technology. 2023. 81
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MISC (283):
  • Special Invited Talk : 1-Pb/s Dense Space Division Multiplexing (DSDM) Transmission Technology Using 100Gbaud-class 16QAM Channels : Review of OFC2017 Postdeadline Paper Presentation. 2017. 117. 26. 25-27
  • Impulse Response Analysis of Coupled Multicore Fibers Having Random Twisting with Macrobending. 2017. 116. 456. 5-10
  • A proposal of low-loss and compact Si wire 90° waveguide bend using clothoid curves. 2017. 116. 388. 257-262
  • Optical Fibers for Ultra Large Capacity Space Division Multiplexing Transmission. 2016. 45. 12. 448-453
  • Theoretical investigation of highly efficient connecting structure between Ge-rib and GeSn waveguides and extinction characteristics of GeSn/SiGeSn multiple-quantum-well waveguide for mid-infrared photonics. 2016. 116. 274. 55-60
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Patents (45):
Books (3):
  • Optical Fiber Telecommunications Volume V1B, Sixth Edition: Systems and Networks (Optics and Photonics)
    Academic Press 2013
  • 光通信技術の飛躍的高度化-光通信の新たな挑戦-
    オプトロニクス社 2012
  • Frontiers in Guided Wave Optics and Optoelectronics
    INTEC 2010
Lectures and oral presentations  (263):
  • Suppression of Group-Delay Spread in Coupled Two-LP-Mode Four-Core Fiber
    (IEEE Photonics Conference (IPC 2018) 2018)
  • 120 Spatial Channel Few-mode Multi-core Fibre with Relative Core Multiplicity Factor Exceeding 100
    (European Conference on Optical Communications (ECOC 2018) 2018)
  • 1.2 Pb/s Transmission Over a 160 mm Cladding, 4-Core, 3-Mode Fiber, Using 368 C+L band PDM-256-QAM Channels
    (European Conference on Optical Communications (ECOC 2018) 2018)
  • Iterative Unreplicated Parallel Interference Canceler for MDL-tolerant dense SDM (12-core × 3-mode) Transmission over 3000 km
    (European Conference on Optical Communications (ECOC 2018) 2018)
  • Microscopic Gain Analysis of Modulation-Doped GeSn Quantum Well: Epitaxial Design toward High-Temperature Lasing
    (International Conference on Group IV Photonics (GFP) 2018)
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Education (6):
  • 1999 - 2001 Hokkaido University
  • - 2001 Hokkaido University Graduate School, Division of Engineering
  • 1997 - 1999 Hokkaido University
  • - 1999 Hokkaido University Graduate School, Division of Engineering
  • 1994 - 1997 Hokkaido University School of Engineering Department of Electronics Engineering
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Professional career (2):
  • Doctor of Engineering (Hokkaido University)
  • Master of Engineering (Hokkaido University)
Work history (10):
  • 2013/04 - 現在 Hokkaido University Graduate School of Information Science and Technology Professor
  • 2005/10 - 現在 Graduate School of Information Science and Technology, Hokkaido University Associate Professor
  • 2007/04 - 2013/03 Hokkaido University Graduate School of Information Science and Technology Associate Professor
  • 2005/10 - 2007/03 Hokkaido University Graduate School of Information Science and Technology Associate Professor
  • 2004/04 - 2005/09 Hokkaido University Graduate School of Information Science and Technology Assistant Professor
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Committee career (37):
  • 2018 - 現在 レーザー学会 「ファイバーレーザー」技術専門委員会委員
  • 2015/05 - 現在 電子情報通信学会 光ファイバ応用技術専門委員会 顧問
  • 2015 - 現在 European Conference on Optical Communication (ECOC) Technical Program Committee (TPC)
  • 2011/05 - 現在 電子情報通信学会 光エレクトロニクス研究専門委員会 専門委員
  • 2010/04 - 現在 電子情報通信学会 光通信インフラの飛躍的な高度化に関する時限研究専門委員会 専門委員
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Awards (18):
  • 2020/10 - Docomo Mobile Science Award
  • 2017/07 - IEEE Photonics Society Distinguished Lecturers Award
  • 2015/02 - Japan Society for the Promotion of Science (JSPS) JSPS Prize
  • 2011/11 - 東北大学電気通信研究所 第1回 RIEC Award
  • 2009/04 - 船井情報科学奨励賞
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Association Membership(s) (7):
The Optical Society of Americal (OSA) ,  The Institute of Electrical and Electronics Engineers (IEEE) ,  電子情報通信学会 ,  The Optical Society of America (OSA) ,  The Institute of Electrical and Electronics Engineers (IEEE) ,  Information and Communication Engineers ,  The Institute of Electronics
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