Presentations -

A 200-GHz Spacing, 17-Channel, 1x2 Wavelength Selective Switch using a Silicon Arrayed-Waveguide Grating with Loopback

Hideaki Asakura, Takemasa Yoshida, Hiroyuki Tsuda, Keijiro Suzuki, Ken Tanizawa, Munehiro Toyama, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima

Photonics in Switching 2015 (Florence, Italy) , 

2015.09

, 

Oral presentation (general)

A Wavefront Control Type Compact Silicon Wavelength Selective Switch

Kyosuke Muramatsu and Hiroyuki Tsuda

Photonics in Switching 2015 (Florence, Italy) , 

2015.09

, 

Oral presentation (general)

Design of a Current-Driven Optical Gate Switch using a Si Waveguide and Phase-Change Material

Kentaro Kato and Hiroyuki Tsuda

11th Conference on Lasers and Electro-Optics Pacific Rim (CLEO Pacific Rim 2015), 

2015.08

, 

Oral presentation (general)

Broadband 2×2 Multimode Interference Coupler for T- and O-band Communication by Wavefront Matching Method

Koki Sugiyama and Hiroyuki Tsuda

Integrated Photonics Research, Silicon and Nano Photonics (IPR) 2015 (Boston, Massachusetts, U. S. A.) , 

2015.06

, 

Poster presentation

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

K. Shibuya, N. A. Idris, H. Asakura and H. Tsuda

Photonics West 2015, OPTO (San Francisco, U. S. A.) , 

2015.02

, 

Poster presentation

Densely packed N×N wavelength cross-connect switch module

Hisato Uetsuka, Masao Tachikura, Hitoshi Kawashima, Kazuhiro Ikeda, Keisuke Sorimoto, Hiroyuki Tsuda and Keiichi Sasaki, Yuto Yamashita

Photonics West 2015, OPTO (San Francisco, U. S. A.) , 

2015.02

, 

Oral presentation (general)

Multi-functional optical signal processing using optical spectrum control circuit

Shuhei Hayashi, Tatsuhiko Ikeda, Takayuki Mizuno, Hiroshi Takahashi, and Hiroyuki Tsuda

Photonics West 2015, OPTO (San Francisco, U. S. A.) , 

2015.02

, 

Poster presentation

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

Hideki Shibutani, Yasunori Tomomatsu, Yoshinori Sawado, Katsumi Yoshizawa, Hideaki Asakura, Nazirul Afham Idris, and Hiroyuki Tsuda

Photonics West 2015, OPTO (San Francisco, U. S. A.) , 

2015.02

, 

Poster presentation

Phase Error Compensation of Si Waveguide Using Phase-Change Material

Ryutaro Eguchi, Yasuro Shimazaki, and Hiroyuki Tsuda

Symposium on Phase Change Oriented Science, 

2014.12

, 

Poster presentation

ach-Zehnder Interferometer Type Optical Switch Using Phase-Change Material

Hiroyuki Tsuda, Takumi Moriyama, Yasuro Shimazaki, Masashi Kuwahara, Xiaomin Wang, and Hitoshi Kawashima

Symposium on Phase Change Oriented Science (Hamamatsu, Shizuoka, Japan) , 

2014.12

, 

Oral presentation (general)

Mach-Zehnder Interferometer Type Optical Switch Using N-doped GeTe Thin Films

Yasuro Shimazaki, Masashi Kuwahara, Xiaomin Wang, Takumi Moriyama, and Hiroyuki Tsuda

EuropeanPhase Change and Ovonics Symposium (Marseille, France) , 

2014.09

, 

Oral presentation (general)

5×5 Wavelength Cross-connect Switch with Densely Integrated MEMS Mirrors

Hisato Uetsuka, Masao Tachikura, Hitoshi Kawashima, Keisuke Sorimoto, Hiroyuki Tsuda, Keiichi Sasaki, Yuto Yamashita

Photonics in Switching 2014 (San Diego, U. S. A.) , 

2014.07

, 

Oral presentation (general)

Extremely Wide-bandwidth Cyclic Arrayed Waveguide Grating for Waveband Routing on T-band and O-band

Nazirul Afham bin Idris, Hideaki Asakura, and Hiroyuki Tsuda

Integrated Photonics Research, Silicon, and Nanophotonics 2014 (San Diego, U. S. A.) , 

2014.07

, 

Oral presentation (general)

Design of a Grating Coupler Made of GeTe for Si Nanowire Waveguide

Ryutaro Eguchi, and Hiroyuki Tsuda

Integrated Photonics Research, Silicon, and Nanophotonics 2014 (San Diego, U. S. A.) , 

2014.07

, 

Oral presentation (general)

Loss Uniformity Improvement of Arrayed-waveguide Grating Router using Interleaved Chirped Array

H. Asakura and H. Tsuda

European Conference on Integrated Optics (Nice, France) , 

2014.06

, 

Poster presentation

Small-sized Mach-Zehnder Interferometer Optical SwitchUsing Thin Film Ge2Sb2Te5 Phase-change Material

Takumi Moriyama, Hitoshi Kawashima, Masashi Kuwahara, Xiaomin Wang, Hideaki Asakura, and Hiroyuki Tsuda

OFC2014, Tu3E.4 (San Francisco, U. S. A.) , 

2014.03

Compact optical switch using phase-change material for transparent photonic network

Hiroyuki Tsuda, Takumi Moriyama, Paridhi Jain, Daiki Tanaka, Masashi Kuwahara, Xiaomin Wang, and Hitoshi kawashima

The Symposium on Phase Change Optical Information Storage 2013, S22, Akiu, Japan, Nov. 28-29, (2013)., 

2013.11

Mach-Zehnder Interferometer Optical Switch Using Low-loss N-doped GeTe Thin Film

Yasuro Shimazaki, Masashi Kuwahara, Xiaomin Wang, Hiroyuki Tsuda

The Symposium on Phase Change Optical Information Storage 2013, P08,, 

2013.11

“Silica planar lightwave circuit collimator with UV-cured resin as integrated multilayered lenses,”

N. A. Idris, K. Sorimoto, H. Tsuda, and H. Uetsuka

13th Microoptics Conference, B6, Tokyo, Japan, Oct. 27-30, (2013). (Tokyo, Japan) , 

2013.10

High-speed, hybrid integrated, 1x2 wavelength selective switch using PLZT optical switches and silica planar lightwave circuits

H. Asakura, K. Nashimoto, D. Kudzuma, H. Kawashima, and H. Tsuda

13th Microoptics Conference, F4, Tokyo, Japan, Oct. 27-30, (2013). (Tokyo, Japan) , 

2013.10