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Research Output 1989 2018

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Conference contribution
2018
4 Citations (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

Arrayed waveguide gratings
Optical communication
Semiconductor devices
Fiber optic networks
Routers

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

Semiconductor optical amplifiers
Video streaming
Gain control
power loss
Service oriented architecture (SOA)
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

Arrayed waveguide gratings
Semiconductor devices
Routers
Semiconductor quantum dots
Wavelength
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

Arrayed waveguide gratings
Semiconductor devices
semiconductor devices
Routers
Semiconductor quantum dots

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

Arrayed waveguide gratings
Optical switches
Laser resonators
Wavelength
Communication
2017
1 Citation (Scopus)

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

Arrayed waveguide gratings
Silicon
Switches
Wavelength

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

Arrayed waveguide gratings
gratings
mirrors
waveguides
C band
1 Citation (Scopus)

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

Semiconductor optical amplifiers
light amplifiers
Semiconductor quantum dots
modules
communication

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

Laser resonators
Wavelength division multiplexing
Semiconductor quantum dots
Wavelength
Networks (circuits)

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

Arrayed waveguide gratings
Crosstalk
Routers
Waveguides
Communication
2016
2 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

Arrayed waveguide gratings
Silicon
switches
platforms
Switches
1 Citation (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., Vol. 2. 7376067

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

phase change materials
Phase change materials
Waveguides
Electric power utilization
switches

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

Arrayed waveguide gratings
Distributed Bragg reflectors
Bragg reflectors
gratings
waveguides
1 Citation (Scopus)

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

Silicon
Gratings
Polarization
gratings
Wavelength
4 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

Arrayed waveguide gratings
Routers
Local area networks
Photonics
Optical fibers
3 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

Optical Switch
Optical switches
Silicon
Photonic crystals
Photonic Crystal
2015
5 Citations (Scopus)

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

Arrayed waveguide gratings
Switches
Silicon
Wavelength
Crosstalk
1 Citation (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

Wavefronts
Waveguides
Switches
Silicon
Wavelength

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

Wave interference
Wavefronts
Silicon Dioxide
couplers
communication

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

Wave interference
Wavefronts
Silica
Wavelength
Communication

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

couplers
communication
silicon dioxide
broadband
interference

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, Proceedings of SPIE - The International Society for Optical Engineering. SPIE, Vol. 9389. 93890C

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

Optics
Liquid Crystals
Switch
switches
modules
1 Citation (Scopus)

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

Diffraction gratings
gratings (spectra)
Photonic crystals
solar cells
trapping
1 Citation (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

Optical switches
Phase change materials
Insertion losses
Pulse code modulation
Phase shifters
1 Citation (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, Proceedings of SPIE - The International Society for Optical Engineering. SPIE, Vol. 9365. 93651I

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

Arrayed Waveguide Grating
Arrayed waveguide gratings
External Cavity
Optical Communication
Laser resonators

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, Proceedings of SPIE - The International Society for Optical Engineering. SPIE, Vol. 9365. 93651C

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

Waveguide
Optimization Methods
slabs
Waveguides
waveguides

Multi-functional optical signal processing using optical spectrum control circuit

Hayashi, S., Ikeda, T., Mizuno, T., Takahashi, H. & Tsuda, H., 2015, Proceedings of SPIE - The International Society for Optical Engineering. SPIE, Vol. 9365. 936519

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

Optical Signal Processing
Optical signal processing
Arrayed waveguide gratings
optical communication
optical spectrum
2014

5×5 wavelength cross-connect switch with densely integrated MEMS mirrors

Uetsuka, H., Tachikura, M., Kawashima, H., Sorimoto, K., Tsuda, H., Sasaki, K. & Yamashita, Y., 2014, Optics InfoBase Conference Papers. Optical Society of American (OSA)

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

microelectromechanical systems
MEMS
switches
grids
Switches

Design of a grating coupler made of GeTe for Si nanowire waveguide

Eguchi, R. & Tsuda, H., 2014, Optics InfoBase Conference Papers. Optical Society of American (OSA)

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

Diffraction efficiency
Finite difference time domain method
couplers
Nanowires
Refractive index

Design of a grating coupler made of GeTe for Si nanowire waveguide

Eguchi, R. & Tsuda, H., 2014, Optics InfoBase Conference Papers. Optical Society of American (OSA)

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

Diffraction efficiency
Finite difference time domain method
couplers
Nanowires
Refractive index

Design of a grating coupler made of GeTe for Si nanowire waveguide

Eguchi, R. & Tsuda, H., 2014, Optics InfoBase Conference Papers. Optical Society of American (OSA)

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

Diffraction efficiency
Finite difference time domain method
couplers
Nanowires
Refractive index

Design of a grating coupler made of GeTe for Si nanowire waveguide

Eguchi, R. & Tsuda, H., 2014, Optics InfoBase Conference Papers. Optical Society of American (OSA)

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

Diffraction efficiency
Finite difference time domain method
couplers
Nanowires
Refractive index
1 Citation (Scopus)

Design of a wavefront control type compact silicon wavelength selective switch

Nakamura, F., Muramatsu, K. & Tsuda, H., 2014 Jul 21, Frontiers in Optics, FiO 2016. OSA - The Optical Society

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

Silicon
Wavefronts
Waveguides
Switches
Wavelength

Extremely wide-bandwidth cyclic arrayed waveguide grating for waveband routing on T-band and O-band

Idris, N. A., Asakura, H. & Tsuda, H., 2014, Optics InfoBase Conference Papers. Optical Society of American (OSA)

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

Arrayed waveguide gratings
gratings
waveguides
bandwidth
Bandwidth

Extremely wide-bandwidth cyclic arrayed waveguide grating for waveband routing on T-band and O-band

Idris, N. A., Asakura, H. & Tsuda, H., 2014, Optics InfoBase Conference Papers. Optical Society of American (OSA)

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

Arrayed waveguide gratings
gratings
waveguides
bandwidth
Bandwidth

Extremely wide-bandwidth cyclic arrayed waveguide grating for waveband routing on T-band and O-band

Idris, N. A., Asakura, H. & Tsuda, H., 2014, Optics InfoBase Conference Papers. Optical Society of American (OSA)

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

Arrayed waveguide gratings
gratings
waveguides
bandwidth
Bandwidth

Extremely wide-bandwidth cyclic arrayed waveguide grating for waveband routing on T-band and O-band

Idris, N. A., Asakura, H. & Tsuda, H., 2014, Optics InfoBase Conference Papers. Optical Society of American (OSA)

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

Arrayed waveguide gratings
gratings
waveguides
bandwidth
Bandwidth
1 Citation (Scopus)

Focusing grating coupler for integration of a liquid-crystal spatial light modulator onto a Si photonic circuit

Inaba, T., Eguchi, R. & Tsuda, H., 2014 Jul 21, Frontiers in Optics, FiO 2016. OSA - The Optical Society

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

Liquid Crystals
Liquid crystals
Photonics
Networks (circuits)
Spatial light modulators

Low-loss and low-crosstalk Si polarization splitters with twostep etching

Sakai, S., Iwamoto, N. & Tsuda, H., 2014 Jul 21, Frontiers in Optics, FiO 2016. OSA - The Optical Society

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

Crosstalk
Etching
Polarization
Telephone lines
Waveguides
3 Citations (Scopus)

Small-sized mach-zehnder interferometer optical switch using thin film Ge<inf>2</inf>Sb<inf>2</inf>Te<inf>5</inf> phase-change material

Moriyama, T., Kawashima, H., Kuwahara, M., Wang, X., Asakura, H. & Tsuda, H., 2014 Mar 3, Optical Fiber Communication Conference, OFC 2014. Optical Society of America (OSA)

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

Mach-Zehnder interferometers
Optical switches
Phase change materials
Thin films
Laser beam effects

Small-sized mach-zehnder interferometer optical switch using thin film Ge2Sb2Te5 phase-change material

Moriyama, T., Kawashima, H., Kuwahara, M., Wang, X., Asakura, H. & Tsuda, H., 2014, Optics InfoBase Conference Papers. Optical Society of America

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

Mach-Zehnder interferometers
phase change materials
Optical switches
Phase change materials
switches
5 Citations (Scopus)

Small-sized Mach-Zehnder interferometer optical switch using thin film Ge2Sb2Te5 phase-change material

Moriyama, T., Kawashima, H., Kuwahara, M., Wang, X., Asakura, H. & Tsuda, H., 2014, Conference on Optical Fiber Communication, Technical Digest Series. Institute of Electrical and Electronics Engineers Inc., 6886949

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

Mach-Zehnder interferometers
Optical switches
Phase change materials
Thin films
Laser beam effects

Wavelength selective external cavity laser using an inas quantum dot gain chip and an arrayed-waveguide grating for T-band optical communication

Okuno, Y., Tomomatsu, Y., Sawado, Y., Yoshizawa, K., Shibutani, H. & Tsuda, H., 2014 Jul 21, Frontiers in Optics, FiO 2016. OSA - The Optical Society

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

Arrayed waveguide gratings
Laser resonators
Optical communication
Semiconductor quantum dots
Wavelength
2013
3 Citations (Scopus)

Compact 5 × 5 wavelength-selective cross connect using integrated 2-D MEMS mirror arrays

Sorimoto, K., Uetsuka, H., Tachikura, M., Kawashima, H., Mori, M., Hasama, T., Ishikawa, H., Idris, N. A. & Tsuda, H., 2013, Technical Digest of the 18th Microoptics Conference, MOC 2013. 6715075

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

MEMS
Optics
Mirrors
Wavelength

Crosstalk reduction of a PLZT arrayed-waveguide grating by phase error compensation

Asakura, H., Nashimoto, K., Kudzuma, D., Hashimoto, M. & Tsuda, H., 2013, Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest. 6600206

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

Arrayed waveguide gratings
Error compensation
phase error
Crosstalk
crosstalk

Differential processing using an optical pulse synthesizer and its application to chirp measurement

Seki, S., Qiao, W., Kashiwagi, K., Tsuda, H., Takenouchi, H. & Kurokawa, T., 2013, Technical Digest of the 18th Microoptics Conference, MOC 2013. 6715131

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

Laser pulses
Processing
Fibers

High-speed hybrid integrated, 1×2 wavelength selective switch using PLZT optical switches and silica planar lightwave circuits

Asakura, H., Nashimoto, K., Kudzuma, D., Kawashima, H. & Tsuda, H., 2013, Technical Digest of the 18th Microoptics Conference, MOC 2013. 6715076

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

Optical switches
Silicon Dioxide
Silica
Switches
Arrayed waveguide gratings

Implementation of a grating-type spatial optical switch based on phase change material and its static measurement

Wang, X., Kuwahara, M., Kawashima, H. & Tsuda, H., 2013, PHOTOPTICS 2013 - Proceedings of the International Conference on Photonics, Optics and Laser Technology. p. 101-105 5 p.

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

phase change materials
switches
gratings
lithography
optical reflection
1 Citation (Scopus)

Low crosstalk design of an optical matrix switch using phase-change material

Moriyama, T., Tanaka, D., Jain, P. & Tsuda, H., 2013, Optics InfoBase Conference Papers.

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

phase change materials
Phase change materials
Crosstalk
crosstalk
switches

Phase error measurement of arrayed-waveguide grating

Asakura, H., Farhan, M. & Tsuda, H., 2013, Optics InfoBase Conference Papers.

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

Arrayed waveguide gratings
phase error
Measurement errors
gratings
waveguides