"Xiaodong Gu,Kenya Suzuki,Yuichiro Ikuma,Kazunori Seno,Hiromasa Tanobe,Akihiro Matsutani,Fumio Koyama","Compact Wavelength Selective Switch Using a Bragg Reflector Waveguide Array with Ultra-Large Number (>100) of Output-Ports",,"Journal of Lightwave Technology",,"vol. 33","no. 7","pp. 1358-1364",2015,Apr.
"Xiaodong Gu,Kenya Suzuki,Yuichiro Ikuma,Akihiro Matsutani,Fumio Koyama","Improvement in Crosstalk of 200-Port Bragg Reflector Waveguides Array-based Wavelength Selective Switch","IEEE Photonics Conference, IPC2014",,,"  MB2.4",,"pp. 34-35",2014,Oct.
"Xiaodong Gu,Kenya Suzuki,Yuichiro Ikuma,Fumio Koyama","Large Point-Count Wavelength Selective Switch Based on a Bragg Reflector Waveguides Array","LQE/OCS/OPE共催 電子情報通信学会 研究会",,,,,,2014,Oct.
"Xiaodong Gu,Kenya Suzuki,Yuichiro Ikuma,Fumio Koyama","60-Channels Flexible-Grid Wavelength Selective Switch Based on a Compact Bragg Reflector Waveguides Array","The 75th JSAP Autumn Meeting 2014",,,"  19a-C7-10",,,2014,Sept.