Presentations -

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

[International presentation]  The 43rd European Conference on Optical Communication (ECOC 2017), 

2017.09

, 

Oral presentation (general)

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

[International presentation]  The 43rd European Conference on Optical Communication (ECOC 2017), 

2017.09

, 

Poster presentation

Wideband, Transmission Flattened Arrayed Waveguide Grating Router for T-band and O-band Communication

Masaki Suzuki, Hiroyuki Tsuda

[International presentation]  Integrated Photonics Research 2017, 

2017.07

, 

Oral presentation (general)

1×2 Silicon Wavelength Selective Switch using Fold Back Arrayed-waveguide Gratings

Fumi Nakamura, Keijiro Suzuki, Ken Tanizawa, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima, Hiroyuki Tsuda

[International presentation]  Photonics in Switching 2017, 

2017.07

, 

Oral presentation (general)

Wavelength-Selective External Cavity Laser Using an InAs Quantum Dot Gain Chip and a Planar Lightwave Circuit for T-band WDM Communications

Yudai Okuno, Katsumi Yoshizawa, Yasunori Tomomatsu, Hiroyuki Tsuda

[International presentation]  CLEO/Europe-EQEC 2017, 

2017.06

, 

Oral presentation (general)

Wavelength Switching Characteristics of the External Cavity Laser for T-band Communications

Yudai Okuno, Katsumi Yoshizawa, Yasunori Tomomatsu, Hiroyuki Tsuda

[International presentation]  The 4th International Symposium on Extremely Advanced Transmission Technologies (EXAT2017), 

2017.06

, 

Poster presentation

Polarization Diversity Quantum Dot Semiconductor Optical Amplifier Module for T-band Communication

Hiroyuki Tsuda, Takafumi Chiba, Tadashi Hajikano, Katsumi Yoshizawa, Yasunori Tomomatsu, Hiroshi Takahashi, Takayuki Kawashima, Shojiro Kawakami, Yudai Okuno Koki Sugiyama

[International presentation]  CLEO 2017, 

2017.05

, 

Oral presentation (general)

1 × 2 Wavefront Control Type Wavelength-Selective Switch by Silicon Waveguides

Fumi Nakamura, Keijiro Suzuki, Ken Tanizawa, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima, Hiroyuki Tsuda

[International presentation]  European Conference on Integrated Optics (ECIO) 2017 (Eindhoven, the Netherlands) , 

2017.04

, 

Poster presentation

Low-loss and low-crosstalk Si polarization splitters with two-step etching

Shigeaki Sakai, Naotaka Iwamoto, Hiroyuki Tsuda

[International presentation]  Frontier in Optics 2016 (Rochester, U. S. A.) , 

2016.10

, 

Poster presentation

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

Takahiro Inaba, Ryutaro Eguchi, Hiroyuki Tsuda

[International presentation]  Frontier in Optics 2016 (Rochester, U. S. A.) , 

2016.10

, 

Poster presentation

Wavelength Selective External Cavity Laser Using an InAs Quantum Dot Gain Chip and an Arrayed-Waveguide Grating for T-band Optical Communication

Yudai Okuno, Yasunori Tomomatsu, Yoshinori Sawado, Katsumi Yoshizawa, Hideaki Shibutani, Hiroyuki Tsuda

[International presentation]  Frontier in Optics 2016 (Rochester, U. S. A.) , 

2016.10

, 

Oral presentation (invited, special)

Design of a Wavefront Control Type Compact Silicon Wavelength Selective Switch

Fumi Nakamura, Kyosuke Muramatsu, Hiroyuki Tsuda

[International presentation]  Frontier in Optics 2016 (Rochester, U. S. A.) , 

2016.10

, 

Poster presentation

Compact Si reflection type arrayed-waveguide grating with loopback mirrors

Takahiro Inaba, Hiroyuki Tsuda

[International presentation]  29th Annual Conference of the IEEE Photonics Society (Hawaii, U. S. A.) , 

2016.10

, 

Poster presentation

Design of a 1x2 Wavelength Selective Switch Using an Arrayed-waveguide Grating with Fold-Back Paths on a Silicon Platform

Hideaki Asakura, Koki Sugiyama, Hiroyuki Tsuda

[International presentation]  Optoelectronics and Communications Conference 2016 (Niigata, Japan) , 

2016.07

, 

Poster presentation

Design of a Si Arrayed-waveguide Grating Using Distributed Bragg Reflectors

Takahiro Inaba, Hiroyuki Tsuda

[International presentation]  Optoelectronics and Communications Conference 2016, 

2016.07

, 

Poster presentation

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

Hiroyuki Tsuda

[International presentation]  International Conference on Photonics (ICP2016) (Sarawak, Malaysia) , 

2016.03

, 

Oral presentation (invited, special)

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

Koki Sugiyama, Takafumi Chiba, Takayuki Kawashima, Shojiro Kawakami, Hiroshi Takahashi, and Hiroyuki Tsuda

[International presentation]  Photonics West 2016, OPTO (San Francisco, U. S. A.) , 

2016.02

, 

Oral presentation (general)

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

Koji Anju, Hiroyuki Tsuda, and Hisato Uetsuka

[International presentation]  Photonics West 2016, OPTO (San Francisco, U. S. A.) , 

2016.02

, 

Poster presentation

Compact optical switch using phase-change material and a Si lightwave circuit

Hiroyuki Tsuda, Kentaro Kato, Hitoshi Kawashima, and Masashi Kuwahara

[International presentation]  International Symposium on Optical Memory 2015 (Toyama, Japan) , 

2015.10

, 

Oral presentation (invited, special)

Design of a Current-Driven 2x2 Optical Switch Using Phase-Change Material

Kentaro Kato and Hiroyuki Tsuda

[International presentation]  Photonics in Switching 2015 (Florence, Italy) , 

2015.09

, 

Oral presentation (general)