TSUDA Hiroyuki

J-GLOBAL         Last updated: Sep 23, 2019 at 02:42
 
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Name
TSUDA Hiroyuki
E-mail
tsudaelec.keio.ac.jp
URL
http://www.tsud.elec.keio.ac.jp/english/
Affiliation
Keio University
Section
Faculty of Science and Technology Department of Electronics and Electrical Engineering
Job title
Professor
Degree
Ph.D. in Engineering(Tokyo Institute of Technology)
Research funding number
90327677

Research Areas

 
 

Academic & Professional Experience

 
Apr 2000
 - 
Mar 2001
慶應義塾大学理工学部電子工学科、専任講師
 
Apr 2001
 - 
Mar 2007
慶應義塾大学理工学部電子工学科、助教授
 
Apr 2007
 - 
Today
慶應義塾大学理工学部電子工学科、教授
 
Sep 2018
 - 
Mar 2019
Visiting Professor, Optical Networks Group, University College London
 

Education

 
Mar 1985
   
 
Faculty of Science and Engineering, Waseda University
 
Mar 1987
   
 
物理情報工学専攻, Graduate School, Division of Integrated Science an, Tokyo Institute of Technology
 

Committee Memberships

 
Jun 2019
 - 
Today
電子情報通信学会  エレクトロニクスソサエティ 次期会長
 
Apr 2019
 - 
Today
光ネットワーク産業・技術研究会  代表幹事
 
Jun 2017
 - 
May 2019
電子情報通信学会  エレクトロニクスソサエティ ソサイエティ副会長(編集出版担当)
 
Apr 2013
 - 
Today
電子情報通信学会エレクトロニクスソサエティ レーザ・量子エレクトロニクス研究専門委員会  Adviser
 
Apr 2013
 - 
Today
電子情報通信学会エレクトロニクスソサエティ レーザ・量子エレクトロニクス研究専門委員会  顧問
 

Awards & Honors

 
Sep 2019
Silicon photonics based 1×2 wavelength selective switch using fold-back arrayed-waveguide gratings, ELEX Best Paper Award in the year 2018, IEICE Electronics Society
Winner: Fumi Nakamura, Hideaki Asakura, Keijiro Suzuki, Ken Tanizawa, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima, and Hiroyuki Tsuda
 
Dec 2014
Mach-Zehnder Interferometer Type Optical Switch Using Phase-Change Material, PCOS 2014 Best Paper Award, The Society of Phase Change Oriented Science
Winner: Hiroyuki Tsuda, Takumi Moriyama, Yasuro Shimazaki, Masashi Kuwahara, Xiaomin Wang, and Hitoshi Kawashima
 
May 2006
T. Suzuki, K. Masuda, H. Ishikawa, Y. Abe, S. Kashimura, H. Uetsuka and H. Tsuda, “Planar lightwave circuit dispersion compensator using a compact arrowhead arrayed-waveguide grating,” IEICE Electronics Express, Vol. 2, No. 23, pp. 572-577(2005)., IEICE Electronics Express Best Paper Award in the year 2005, 電子情報通信学会エレクトロニクスソサイエティ
Winner: TSUDA HIROYUKI
 

Published Papers

 
Sato K., Tsuda H.
Proceedings of the 2018 Photonics in Switching and Computing, PSC 2018      Sep 2018
© 2018 IEEE. Low-crosstalk multistage silicon wavelength multi/demultiplexer -consist of an arrayed waveguide grating and Bragg grating filters is proposed. The crosstalk of less than -40 dB can be achieved even if a waveguide has phase error. The...
Okuno Y., Sugiyama K., Hajikano T., Tomomatsu Y., Yoshizawa K., Tsuda H.
Proceedings of the 2018 Photonics in Switching and Computing, PSC 2018      Sep 2018
© 2018 IEEE. Silica-based polarization diversity circuit for QD-SOA operating in T-band was fabricated. By connecting polarization diversity circuits to QD-SOA chip, the polarization dependent gain of less than 0.8 dB and the optical gain of 3.2 d...
Kobayashi H., Tsuda H.
Proceedings of the 2018 Photonics in Switching and Computing, PSC 2018      Sep 2018
© 2018 IEEE. We propose the spatial mode multiplexer that connects 35 single mode fibers to the 7-core, 5-mode fiber based on multi-plane light conversion. The required phase plate number is 13, the average insertion loss is 3.9 dB, and the maximu...
Kubo R., Fujimoto T., Shobudani T., Okuno Y., Suzuki M., Tsuda H., Sudo M., Hajikano T., Tomomatsu Y., Yoshizawa K.
2018 Optical Fiber Communications Conference and Exposition, OFC 2018 - Proceedings   1-3   Jun 2018
© 2018 OSA. We demonstrate a wavelength routing system that covers a broad wavelength range of 1000-1360 nm, i.e., T/O-band. The system includes our developed T/O-band-specific quantum dot semiconductor devices and 1081-channel arrayed waveguide g...
Nakamura F., Muramatsu K., Suzuki K., Tanizawa K., Ohtsuka M., Yokoyama N., Matsumaro K., Seki M., Koshino K., Ikeda K., Namiki S., Kawashima H., Tsuda H.
Optics Express   26(10) 13573-13589   May 2018
© 2018 Optical Society of America A wavelength selective switch (WSS) can route optical signals into any of output ports by wavelength, and is a key component of the reconfigurable optical add/drop multiplexer. We propose a wavefront control type ...

Misc

 
Kubo R., Matsunaga M., Shobudani T., Fujimoto T., Tsuda H., Sudo M., Hajikano T., Tomomatsu Y., Yoshizawa K.
IEICE Electronics Express   15(18)    2018
© IEICE 2018. The wavelength range of 1000–1260 nm, known as T-band, where T denotes “thousand”, is one of the promising wavebands suitable for the future moderate-range optical networks. We have developed T-band specific semiconductor devices bas...
Nakamura F., Asakura H., Suzuki K., Tanizawa K., Ohtsuka M., Yokoyama N., Matsumaro K., Seki M., Koshino K., Ikeda K., Namiki S., Kawashima H., Tsuda H.
IEICE Electronics Express   15(14)    2018
© 2018, Institute of Electronics Information Communication Engineers. All rights reserved. We report on a novel design of a wavelength selective switch (WSS) using silicon photonics technology. It comprises of 1 × 4 interleavers, arrayed-waveguide...
Kyosuke Muramatsu, Hideaki Asakura, Keijiro Suzuki, Ken Tanizawa, Munehiro Toyama, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima, and Hiroyuki Tsuda
IEICE Electron. Express   12(7) 20150019   2015   [Refereed]
Takumi Moriyama, Daiki Tanaka, Paridhi Jain, Hitoshi Kawashima, Masashi Kuwahara, Xiaomin Wang, and Hiroyuki Tsuda
IEICE Electron. Express   11(15) 20140538   2014   [Refereed]

Conference Activities & Talks

 
T/O-band wavelength routing system using quantum dot semiconductor devices and 1081-channel AWG router
Ryogo Kubo, Takuto Fujimoto, Takahiro Shobudani, Yudai Okuno, Masaki Suzuki, Hiroyuki Tsuda, Makoto Sudo, Tadashi Hajikano, Yasunori Tomomatsu, Katsumi Yoshizawa
The Optical Networking and Communication Conference & Exhibition (OFC 2018)   15 Mar 2018   
Current driven optical gate switch using a Ge2Sb2Te5 thin film and an indium tin oxide heater
Fumi Nakamura, Kentaro Kato, Masashi Kuwahara, Hitoshi Kawashima, Tohru Tsuruoka, Hiroyuki Tsuda
The Symposium on Phase Change Oriented Science (PCOS) 2017   16 Nov 2017   
Low-power consumption optical switches using phase-change material for a large capacity photonic network system [Invited]
Hiroyuki Tsuda, Fumi Nakamura, Kentaro Kato, Masashi Kuwahara, Hitoshi Kawashima, Tohru Tsuruoka
The Symposium on Phase Change Oriented Science (PCOS) 2017   16 Nov 2017   
Experimental Demonstration of 4K-UHD Video Transmission Using T-Band Wavelength Routing System for Passive Optical Local Area Networks
Ryogo Kubo, Hiroyuki Tsuda, Makoto Sudo, Tadashi Hajikano, Yasunori Tomomatsu and Katsumi Yoshizawa
The 43rd European Conference on Optical Communication (ECOC 2017)   19 Sep 2017   
Wavelength-Selective External-Cavity Laser Using an Optical Switch Integrated Arrayed-Waveguide Grating for T-band Communications
Yudai Okuno, Hideaki Shibutani, Katsumi Yoshizawa, Yasunori Tomomatsu, Hiroyuki Tsuda
The 43rd European Conference on Optical Communication (ECOC 2017)   19 Sep 2017   

Teaching Experience

 

Research Grants & Projects

 
大規模光ネットワーク構成に向けた相変化型省電力光スイッチの研究
MEXT,JSPS: Grant-in-Aid for Scientific Research
Project Year: Apr 2018 - Mar 2021    Investigator(s): 津田 裕之

Patents

 
5692865 : 波長クロスコネクト装置
石川、狭間、河島、森、上塚、本郷、津田、反本、ナズイルル