• 1729 Citations
  • 22 h-Index
1989 …2020

Research output per year

If you made any changes in Pure these will be visible here soon.

Research Output

2020

Guanine crystals regulated by chitin-based honeycomb frameworks for tunable structural colors of sapphirinid copepod, Sapphirina nigromaculata

Kimura, T., Takasaki, M., Hatai, R., Nagai, Y., Uematsu, K., Oaki, Y., Osada, M., Tsuda, H., Ishigure, T., Toyofuku, T., Shimode, S. & Imai, H., 2020 Dec 1, In : Scientific reports. 10, 1, 2266.

Research output: Contribution to journalArticle

Open Access

SDN enabled flexible optical data center network with dynamic bandwidth allocation based on photonic integrated wavelength selective switch

Xue, X., Nakamura, F., Prifti, K., Pan, B., Yan, F., Wang, F., Guo, X., Tsuda, H. & Calabretta, N., 2020 Mar 16, In : Optics Express. 28, 6, p. 8949-8958 10 p.

Research output: Contribution to journalArticle

2019

Characteristics of 1×2 Silicon Wavelength Selective Switch Using Arrayed - Waveguide Gratings with Fold-Back Waveguides

Nakamura, F., Namiki, S., Kawashima, H., Tsuda, H., Asakura, H., Suzuki, K., Tanizaawa, K., Ohtsuka, M., Yokoyama, N., Matumaro, K., Seki, M. & Ikeda, K., 2019 Aug, 2019 18th International Conference on Optical Communications and Networks, ICOCN 2019. Institute of Electrical and Electronics Engineers Inc., 8934265. (2019 18th International Conference on Optical Communications and Networks, ICOCN 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Design of a hybrid wavelength selective switch using silica and silicon waveguides

Kobayashi, K. & Tsuda, H., 2019 Jan 1, Optoelectronic Devices and Integration VIII. Zhang, X., Li, B., Yu, C., Zhang, X. & Dai, D. (eds.). SPIE, 111840F. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11184).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Large-scale arrayed waveguide grating router for T-band communication

Tsuda, H., 2019 Aug, 2019 18th International Conference on Optical Communications and Networks, ICOCN 2019. Institute of Electrical and Electronics Engineers Inc., 8934671. (2019 18th International Conference on Optical Communications and Networks, ICOCN 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Large-scale wavelength multi/demultiplexer using a spatial grating combined with arrayed waveguide gratings

Ohori, A. & Tsuda, H., 2019 Jan 1, Optoelectronic Devices and Integration VIII. Zhang, X., Li, B., Yu, C., Zhang, X. & Dai, D. (eds.). SPIE, 1118408. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11184).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Multistage Silicon Wavelength Multi/Demultiplexer using an Arrayed-Waveguide Grating and Bragg Grating Filters

Sato, K. & Tsuda, H., 2019 Jul, OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019. Institute of Electrical and Electronics Engineers Inc., 8818128. (OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Spatial Mode Multiplexer for 42 Single Mode Fibers to the 7-Core, 6-Mode Fiber

Kobayashi, H. & Tsuda, H., 2019 Jul, OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019. Institute of Electrical and Electronics Engineers Inc., 8818039. (OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2018

Demonstration of 10-Gbit/s transmission over G.652 fiber for T-band optical access systems using quantum-dot semiconductor devices

Kubo, R., Matsunaga, M., Shobudani, T., Fujimoto, T., Tsuda, H., Sudo, M., Hajikano, T., Tomomatsu, Y. & Yoshizawa, K., 2018 Jan 1, In : IEICE Electronics Express. 15, 18, 20180810.

Research output: Contribution to journalLetter

1 Citation (Scopus)

Experimental Demonstration of 4K-UHD Video Transmission Using T-Band Wavelength Routing System for Passive Optical Local Area Networks

Kubo, R., Tsuda, H., Sudo, M., Hajikano, T., Tomomatsu, Y. & Yoshizawa, K., 2018 Apr 24, 43rd European Conference on Optical Communication, ECOC 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-September. p. 1-3 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

Feasibility study of adaptive gain control of quantum-dot SOA for unicast/multicast wavelength selective routing systems in T-band

Fujimoto, T., Uesugi, T., Kubo, R., Tsuda, H., Sudo, M., Hajikano, T., Tomomatsu, Y. & Yoshizawa, K., 2018 Jan 2, 22nd Microoptics Conference, MOC 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-January. p. 324-325 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Integrated silicon photonic wavelength-selective switch using wavefront control waveguides

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., 2018 May 14, In : Optics Express. 26, 10, p. 13573-13589 17 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Low-Crosstalk Multistage Silicon Wavelength Multi/Demultiplexer

Sato, K. & Tsuda, H., 2018 Sep, Proceedings of the 2018 Photonics in Switching and Computing, PSC 2018. Manousakis, K., Iezekiel, S., Tomkos, I., Utaka, K. & Ellinas, G. (eds.). Institute of Electrical and Electronics Engineers Inc., 8751307. (Proceedings of the 2018 Photonics in Switching and Computing, PSC 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Polarization Diversity Circuit Using Photonic Crystal Waveplates for 1.2-μm Quantum Dot Semiconductor Optical Amplifiers

Okuno, Y., Sugiyama, K., Hajikano, T., Tomomatsu, Y., Yoshizawa, K. & Tsuda, H., 2018 Sep, Proceedings of the 2018 Photonics in Switching and Computing, PSC 2018. Manousakis, K., Iezekiel, S., Tomkos, I., Utaka, K. & Ellinas, G. (eds.). Institute of Electrical and Electronics Engineers Inc., 8751259. (Proceedings of the 2018 Photonics in Switching and Computing, PSC 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Silicon photonics based 1 × 2 wavelength selective switch using fold-back arrayed-waveguide gratings

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., 2018 Jan 1, In : IEICE Electronics Express. 15, 14, 20180532.

Research output: Contribution to journalLetter

2 Citations (Scopus)

Spatial Mode Multiplexer for 35 Single Mode Fibers to the 7-Core, 5-Mode Fiber

Kobayashi, H. & Tsuda, H., 2018 Sep, Proceedings of the 2018 Photonics in Switching and Computing, PSC 2018. Manousakis, K., Iezekiel, S., Tomkos, I., Utaka, K. & Ellinas, G. (eds.). Institute of Electrical and Electronics Engineers Inc., 8751386. (Proceedings of the 2018 Photonics in Switching and Computing, PSC 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

T/O-band wavelength routing system using quantum dot semiconductor devices and 1081-channel AWG router

Kubo, R., Fujimoto, T., Shobudani, T., Okuno, Y., Suzuki, M., Tsuda, H., Sudo, M., Hajikano, T., Tomomatsu, Y. & Yoshizawa, K., 2018 Jan 1, Optical Fiber Communication Conference, OFC 2018. OSA - The Optical Society, Vol. Part F84-OFC 2018. Th3H.4

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

T/O-band wavelength routing system using quantum dot semiconductor devices and 1081-channel AWG router

Kubo, R., Fujimoto, T., Shobudani, T., Okuno, Y., Suzuki, M., Tsuda, H., Sudo, M., Hajikano, T., Tomomatsu, Y. & Yoshizawa, K., 2018 Jun 13, 2018 Optical Fiber Communications Conference and Exposition, OFC 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1-3 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Wavelength-Selective External-Cavity Laser Using an Optical Switch Integrated Arrayed-Waveguide Grating for T-band Communications

Okuno, Y., Shibutani, H., Yoshizawa, K., Tomomatsu, Y. & Tsuda, H., 2018 Apr 24, 43rd European Conference on Optical Communication, ECOC 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-September. p. 1-3 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2017

1×2 silicon wavelength selective switch using fold back arrayed-waveguide gratings

Nakamura, F., Asakura, H., Sugiyama, K., Suzuki, K., Tanizawa, K., Ohtsuka, M., Yokoyama, N., Matsumaro, K., Seki, M., Koshino, K., Ikeda, K., Namiki, S., Kawashima, H. & Tsuda, H., 2017, Advanced Photonics, PS 2017. OSA - The Optical Society, Vol. Part F57-PS 2017.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Compact Si reflection type arrayed-waveguide grating with loopback mirrors

Inaba, T. & Tsuda, H., 2017 Jan 23, 2016 IEEE Photonics Conference, IPC 2016. Institute of Electrical and Electronics Engineers Inc., p. 769-770 2 p. 7831306

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Current-driven phase-change optical gate switch using indium-tin-oxide heater

Kato, K., Kuwahara, M., Kawashima, H., Tsuruoka, T. & Tsuda, H., 2017 Jul 1, In : Applied Physics Express. 10, 7, 072201.

Research output: Contribution to journalArticle

28 Citations (Scopus)

Differential processing for frequency chirp measurement using optical pulse synthesizer

Kashiwagi, K., Seki, S., Tsuda, H., Takenouchi, H. & Kurokawa, T., 2017 Mar 15, In : Optics Communications. 387, p. 135-140 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Polarization diversity circuit based on silica waveguides and photonic crystal waveplates for a 4×4 silicon optical switch

Sugiyama, K., Chiba, T., Tanizawa, K., Suzuki, K., Kawashima, T., Kawakami, S., Ikeda, K., Kawashima, H., Takahashi, H. & Tsuda, H., 2017 Mar 24, In : IEICE Electronics Express. 14, 10

Research output: Contribution to journalLetter

Polarization diversity quantum dot semiconductor optical amplifier module for T-band communication

Tsuda, H., Chiba, T., Hajikano, T., Yoshizawa, K., Tomomatsu, Y., Takahashi, H., Kawashima, T., Kawakami, S., Okuno, Y. & Sugiyama, K., 2017 Oct 25, 2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 1-2 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Theoretical Analysis of Noise in Erbium Doped Fiber Amplifier

Putra, A. W. S., Yamada, M., Tsuda, H. & Ambran, S., 2017 Aug 1, In : IEEE Journal of Quantum Electronics. 53, 4, 7953635.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Wavelength-selective external cavity laser using an InAs quantum dot gain chip and a planar lightwave circuit for T-band WDM communications

Okuno, Y., Yoshizawa, K., Tomomatsu, Y. & Tsuda, H., 2017 Jan 1, The European Conference on Lasers and Electro-Optics, CLEO_Europe 2017. OSA - The Optical Society, Vol. Part F82-CLEO_Europe 2017.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wideband, transmission flattened arrayed waveguide grating router for T-band and O-band communication

Suzuki, M. & Tsuda, H., 2017, Advanced Photonics, IPRSN 2017. OSA - The Optical Society, Vol. Part F52-IPRSN 2017.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2016

6.4-THz-spacing, 10-channel cyclic arrayed waveguide grating for T- and O-band coarse WDM

Idris, N. A. & Tsuda, H., 2016 Apr 10, In : IEICE Electronics Express. 13, 7

Research output: Contribution to journalArticle

8 Citations (Scopus)

Amplitude trimming of Si waveguides using phase change material

Eguchi, R., Asakura, H., Shimazaki, Y., Moriyama, T., Singh, G. & Tsuda, H., 2016 Mar 8, In : IEICE Electronics Express. 13, 6

Research output: Contribution to journalArticle

A WDM/TDM access network based on broad t-band wavelength resource using quantum dot semiconductor devices

Idris, N. A., Yamamoto, N., Akahane, K., Yoshizawa, K., Tomomatsu, Y., Sudo, M., Hajikano, T., Kubo, R., Uesugi, T., Kikuchi, T. & Tsuda, H., 2016 Feb 1, In : IEEE Photonics Journal. 8, 1, 7389328.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Design of a 1×2 wavelength selective switch using an arrayed-waveguide grating with fold-back paths on a silicon platform

Asakura, H., Sugiyama, K. & Tsuda, H., 2016 Oct 26, 2016 21st OptoElectronics and Communications Conference, OECC 2016 - Held Jointly with 2016 International Conference on Photonics in Switching, PS 2016. Institute of Electrical and Electronics Engineers Inc., 7718417

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Design of a current-driven optical gate switch using a Si waveguide and phase-change material

Kato, K. & Tsuda, H., 2016 Jan 7, 2015 11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015. Institute of Electrical and Electronics Engineers Inc., 7376067. (2015 11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Design of a Si arrayed-waveguide grating using distributed Bragg reflectors

Inaba, T. & Tsuda, H., 2016 Oct 26, 2016 21st OptoElectronics and Communications Conference, OECC 2016 - Held Jointly with 2016 International Conference on Photonics in Switching, PS 2016. Institute of Electrical and Electronics Engineers Inc., 7718517

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Design of a silicon polarization grating with a sub-wavelength anisotropic structure

Anju, K., Tsuda, H. & Uetsuka, H., 2016, Integrated Optics: Devices, Materials, and Technologies XX. SPIE, Vol. 9750. 97501P

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Full-mesh T- and O-band wavelength router based on arrayed waveguide gratings

Idris, N. A., Yoshizawa, K., Tomomatsu, Y., Sudo, M., Hajikano, T., Kubo, R., Zervas, G. & Tsuda, H., 2016 Jan 11, In : Optics Express. 24, 1, p. 672-686 15 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Large-scale arrayed-waveguide grating based photonic router using T- and O-band

Tsuda, H., 2016 Jul 12, 2016 IEEE 6th International Conference on Photonics, ICP 2016. Institute of Electrical and Electronics Engineers Inc., 7510051

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Polarization diversity circuit for a silicon optical switch using silica waveguides integrated with photonic crystal thin film waveplates

Sugiyama, K., Chiba, T., Kawashima, T., Kawakami, S., Takahashi, H. & Tsuda, H., 2016, Smart Photonic and Optoelectronic Integrated Circuits XVIII. SPIE, Vol. 9751. 975109

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)
2015

A 200-GHz spacing, 17-channel, 1×2 wavelength selective switch using a silicon arrayed-waveguide grating with loopback

Asakura, H., Yoshida, T., Tsuda, H., Suzuki, K., Tanizawa, K., Toyama, M., Ohtsuka, M., Yokoyama, N., Matsumaro, K., Seki, M., Koshino, K., Ikeda, K., Namiki, S. & Kawashima, H., 2015 Nov 13, 2015 International Conference on Photonics in Switching, PS 2015. Institute of Electrical and Electronics Engineers Inc., p. 52-54 3 p. 7328950

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

A wavefront control type compact silicon wavelength selective switch

Muramatsu, K. & Tsuda, H., 2015 Nov 13, 2015 International Conference on Photonics in Switching, PS 2015. Institute of Electrical and Electronics Engineers Inc., p. 70-72 3 p. 7328956

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Broadband 2×2 multimode interference coupler for T- and O-band communication by wavefront matching method

Sugiyama, K. & Tsuda, H., 2015, Photonic Networks and Devices, Networks 2015. Optical Society of America (OSA), p. 204p JM3A.32

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Broadband 2×2 multimode interference coupler for T- and O-band communication by wavefront matching method

Sugiyama, K. & Tsuda, H., 2015, Integrated Photonics Research, Silicon and Nanophotonics, IPRSN 2015. Optical Society of America (OSA), p. 371p JM3A.32

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Broadband 2×2 multimode interference coupler for T- and O-band communication by wavefront matching method

Sugiyama, K. & Tsuda, H., 2015, Optical Sensors, Sensors 2015. Optical Society of America (OSA), p. 316p JM3A.32

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Densely packed N×N wavelength cross-connect switch module

Uetsuka, H., Tachikura, M., Kawashima, H., Ikeda, K., Sorimoto, K., Tsuda, H., Sasaki, K. & Yamashita, Y., 2015 Jan 1, Next-Generation Optical Communication: Components, Sub-Systems, and Systems IV. Li, G. & Zhou, X. (eds.). SPIE, 93890C. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9389).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Design and analysis of low loss highly efficient light trapping structure for GaAs thin film solar cells using photonic crystals as diffraction grating

Gupta, N. D., Janyani, V., Singh, G. & Tsuda, H., 2015, Proceedings of Frontiers in Optics 2015, FIO 2015. OSA - The Optical Society

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Design and characterization of an arrayed-waveguide grating router with an interleave-chirped array

Asakura, H. & Tsuda, H., 2015 Apr 9, In : IEICE Electronics Express. 12, 9, 20150261.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Design of a current-driven 2×2 optical switch using phase-change material

Kato, K. & Tsuda, H., 2015 Nov 13, 2015 International Conference on Photonics in Switching, PS 2015. Institute of Electrical and Electronics Engineers Inc., p. 205-207 3 p. 7329001

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Evaluation of the phase error in Si-wire arrayed-waveguide gratings fabricated by ArF-immersion photolithography

Muramatsu, K., Asakura, H., Suzuki, K., Tanizawa, K., Toyama, M., Ohtsuka, M., Yokoyama, N., Matsumaro, K., Seki, M., Koshino, K., Ikeda, K., Namiki, S., Kawashima, H. & Tsuda, H., 2015 Apr 10, In : IEICE Electronics Express. 12, 7, 20150019.

Research output: Contribution to journalArticle

3 Citations (Scopus)

External cavity laser using a InAs quantum dot gain chip and an arrayed-waveguide grating for T-band optical communications

Shibutani, H., Tomomatsu, Y., Sawado, Y., Yoshizawa, K., Asakura, H., Idris, N. A. & Tsuda, H., 2015 Jan 1, Integrated Optics: Devices, Materials, and Technologies XIX. Broquin, J-E. & Conti, G. N. (eds.). SPIE, 93651I. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9365).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Low-loss segmented joint structure between a slab waveguide and arrayed waveguides designed by simple optimization method

Shibuya, K., Idris, N. A., Asakura, H. & Tsuda, H., 2015 Jan 1, Integrated Optics: Devices, Materials, and Technologies XIX. Broquin, J-E. & Conti, G. N. (eds.). SPIE, 93651C. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9365).

Research output: Chapter in Book/Report/Conference proceedingConference contribution