"Xiaodong Gu,Ryosuke Togashi,Takahiro Sakaguchi,Akihiro Matsutani,Fumio Koyama","First Demonstration of C-band Wavelength Demultiplexer Based on a Bragg Reflector Waveguide Amplifier Using InP Material","Asia Communications and Photonics Conference 2018",,,"  Su4F.3",,,2018,Oct.
"Masashi Takanohashi,Keisuke Shimura,Xiaodong Gu,Masanori Nakahama,Akihiro Matsutani,Takahiro Sakaguchi,FUMIO KOYAMA","High efficient lateral coupling integration of VCSEL and slow-light amplifier","The 79th JSAP Autumn Meeting",,,"  19a-225B-5",,,2018,Sept.
"Keisuke Shimura,Masashi Takanohashi,Zeuku Ho,Xiaodong Gu,Masanori Nakahama,Takahiro Sakaguchi,Akihiro Matsutani,FUMIO KOYAMA","Beam Scanner Integrated VCSEL with Cut-off Wavelength Detuning","The 79th JSAP Autumn Meeting",,,"  19a-225B-4",,,2018,Sept.
"Ryosuke Togashi,Xiaodong Gu,Akihiro Matsutani,Takahiro Sakaguchi,Junichi Shimizu,FUMIO KOYAMA","1.5ƒÊm band slow light demultiplexer based on InP Bragg reflector waveguide","IEICE Society Conference 2018",,,,,,2018,Sept.
"Shunya Inoue,Toshihiro Asahi,Shun Nishimura,Masanori Nakahama,Akihiro Matsutani,Takahiro Sakaguchi,FUMIO KOYAMA","Fabrication of slow-light beam scanner integrated with a MEMS VCSEL","‘æ65‰ñ ‰ž—p•¨—�Šw‰ï �t‹GŠw�p�u‰‰‰ï",,,"  18a-B203-7",,,2018,Mar.
"Shunya Inoue,Shun Nishimura,Masanori Nakahama,Akihiro Matsutani,Takahiro Sakaguchi,Fumio Koyama","High-speed wavelength switching of tunable MEMS vertical cavity surface emitting laser by ringing suppression",,"Japanese Journal of Applied Physics",,"Vol. 57",,"pp. 040308-1-4",2018,Mar.