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J-GLOBAL ID：200901027375112101 Update date: Jan. 30, 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 (367)：

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
Takanori Sato, Masaki Wada, Takayoshi Mori, Taiji Sakamoto, Ryota Imada, Takashi Matsui, Kazuhide Nakajima, Kunimasa Saitoh. Broadband design of silica-PLC mode-dependent-loss equalizer for 2LP-mode transmission systems. Optics Express. 2023. 31. 24. 39965-39980
Zheyu Zhao, Takanori Sato, Takeshi Fujisawa, Taro Iwaya, Yuto Sagae, Taiji Sakamoto, Takashi Matsui, Kazuhide Nakajima, Kunimasa Saitoh. Investigation of double-cladding heterogeneous step-index 2LP-mode multicore fiber with a two-ring layout. Journal of the Optical Society of America B. 2023. 40. 10. 2511-2518
Takeshi Fujisawa, Takuya Mitarai, Takuya Okimoto, Naoya Kono, Naoki Fujiwara, Takanori Sato, Hideki Yagi, Kunimasa Saitoh. Bayesian design of mosaic-based mode multiplexers for various wavelength bands. Optics Express. 2023. 31. 16. 26842-26842
Takanori Sato, Takeshi Fujisawa, Masaki Wada, Takayoshi Mori, Taiji Sakamoto, Ryota Imada, Takashi Matsui, Kazuhide Nakajima, Kunimasa Saitoh. Design of silica-PLC LP11 mode rotator based on adiabatic mode conversion. Optics Express. 2023. 31. 15. 23910-23922

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MISC (281)：

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)：

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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

2019 - Optoelectronics and Communication Conference (OECC 2019) Technical Program Committee (TPC)

2010/06 - 2018/04 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幹事補佐

2018 - Optoelectronics and Communication Conference (OECC 2018) Technical Program Committee (TPC)

2018 - European Conference on Optical Communication (ECOC 2018) Sub Committee Chair (SC 1)

2011/05 - 2016/04 電子情報通信学会エレクトロニクスシミュレーション研究専門委員会専門委員

2012 - 2016 SPIE Photonics West, Next-Generation Optical Communication: Components, Sub-Systems, and Systems II Technical Program Committee

2016 - Optical Fiber Communication Conference (OFC 2016) Chair of Subcommittee D4

2016 - Optoelectronics and Communication Conference (OECC 2016) Technical Program Committee (TPC)

2009/05 - 2015/04 電子情報通信学会光ファイバ応用技術研究専門委員会専門委員

2014 - IEEE Summer Topicals (SUM 2014) Co-Chair

2014 - Optoelectronics and Communication Conference (OECC 2014) Technical Program Committee (TPC)

2010/04 - 2013/03 The Optical Society of Americal (OSA) Optical Fiber Communication Conference and National Fiber Optic Engineers Conference (OFC/NFOEC) Technical Program Committee

2013 - IEEE Summer Topicals (SUM 2013) Technical Program Committee

2010/05 - 2012/05 電子情報通信学会代議員会代議員(互選)

2011 - 2012 電子情報通信学会ネットワーク社会のさらなる発展を支える光通信技術特集編集委員

2010/10 - 2012/01 The Optical Society of America (OSA) Topical Meetings on Speciality Optical Fibers and Applications (SOF) Technical Program Committee

2012 - International Conference on Optical Internet (COIN 2012) Workshop Organizers

2009/05 - 2011/05 電子情報通信学会北海道支部庶務幹事

2009/01 - 2011/01 The Institute of Electrical and Electronics Engineers (IEEE) Sapporo Section Secretary/Treasure

2009/06 - 2010/12 電子情報通信学会第15回光エレクトロニクス・光通信国際会議(OECC2010) 運営委員会会場委員会委員

2009 - 2010 The Optical Society of Americal (OSA) The 2nd Workshop on Specialty Optical Fibers and Their Applications (WSOF 2010) Technical Program Committee

2009 - 2010 The Optical Society of America (OSA) The 2nd Workshop on Specialty Optical Fibers and Their Applications (WSOF 2010) Technical Program Committee

2010 - The Optical Society of America (OSA) Optical Fiber Communication Conference and National Fiber Optic Engineers Conference (OFC/NFOEC) Technical Program Committee

2008 - 2009 The Institute of Electrical and Electronics Engineers (IEEE) Guest Editor for IEEE/OSA Journal of Lightwave Technology Special Issue on Microstructured Fibers

2007 - 2008 The Institute of Electrical and Electronics Engineers (IEEE) International Conference on Photonics in Switching 2008 Technical Program Committee

2007 - 2008 The Institute of Electrical and Electronics Engineers (IEEE) IEEE Winter Topicals 2008 Co-Chair (Photonic Crystal Fibers: Technology and Applications)

2007 - 2008 The Institute of Electrical and Electronics Engineers (IEEE) International Conference on Photonics in Switching 2008 Technical Program Committee

2008 - The Institute of Electrical and Electronics Engineers (IEEE) International Conference on Fiber Optics and Photonics Technical Program Committee

2006 - 2007 The Institute of Electrical and Electronics Engineers (IEEE) IEEE Winter Topicals 2008 Co-Chair (Photonic Crystal Fibers: Technology and Applications)

2006 - 電子情報通信学会 Progress in Electromagnetics Research Symposium (PIERS) 2006-Tokyo Session Organizers

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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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