"Hiroki OTA,Toshihiro ASAHI,Gu XIAODONG,T. Sakaguchi,F. Koyama","Integrated devices of MEMS VCSEL and DBR beam deflector","24th MICROOPTICS CONFERENCE",,,"  E-4",,,2019,Nov.
"Keisuke Shimura,Masashi Takanohashi,Zeuku Ho,Xiaodong Gu,Takahiro Sakaguchi,Akihiro Matsutani,FUMIO KOYAMA","980nm-band Beam Scanner Integrated with Heater-driven VCSEL","The 80th JSAP Autumn  Meeting, 2019","第80回応用物理学会秋季学術講演会 講演予稿集 (2019 北海道大学 札幌キャンパス)",,"  20a-E207-1",,,2019,Sept.
"Masashi Takanohashi,Keisuke Shimura,Xiaodong Gu,Masanori Nakahama,Akihiro Matsutani,Takahiro Sakaguchi,FUMIO KOYAMA","Lateral coupling integration of VCSEL and beam scanner with controlled cutoffwavelength structure","The 80th JSAP Autumn  Meeting, 2019","第80回応用物理学会秋季学術講演会 講演予稿集",,"  20p-E204-6",,,2019,Sept.
"Hiroki Ota,Xiaodong Gu,Takahiro Sakaguchi,FUMIO KOYAMA","Integrated devices of MEM VCSEL and VCSEL beam deflector","The 80th JSAP Autumn  Meeting, 2019","第80回応用物理学会秋季学術講演会 講演予稿集",,"  20p-E204-7",,,2019,Sept.
"Masashi Takanohashi,Keisuke Shimura,Xiaodong Gu,Masanori Nakahama,Akihiro Matsutani,Takahiro Sakaguchi,Fumio Koyama","Lateral coupling integration of VCSEL and VCSEL amplifier with cutoff structure","The 79th JSAP Spring Meeting",,,"  12p-W611-2",,"  03-646",2019,Mar.
"Keisuke Shimura,Masashi Takanohashi,Zeuku Ho,Xiaodong Gu,Masanori Nakahama,Takahiro Sakaguchi,Akihiro Matsutani,Fumio Koyama","Beam Scanner Integrated Single-mode VCSEL with Cut-off Wavelength Detuning","The 66th JSAP Spring Meeting",,,"  12p-W611-5",,"  03-649",2019,Mar.
"Ryosuke Togashi,Xiaodong Gu,Takahiro Sakaguchi,Fumio Koyama","Full C-band Wavelength Demultiplexer with Optical Gain for Use in Wavelength Selective Switch","Optical Fiber Communication Conference and Exhibition 2019",,,"  W3A.5",,,2019,Mar.
"Ryosuke Togashi,Xiaodong Gu,Akihiro Matsutani,Takahiro Sakaguchi,Fumio Koyama","InP VCSEL Demultiplexer with Loss Compensation in Full C-band","The 66th JSAP Spring Meeting",,,"  12p-W611-8",,"  03-653",2019,Mar.
"Toshihiro Asahi,Xiaodong Gu,Takahiro Sakaguchi,Fumio Koyama","Beam deflection characteristics of MEMS VCSEL integrated DBR waveguide scanner","The 66th JSAP Spring Meeting",,,"  12p-W611-7",,"  03-652",2019,Mar.