"Yutaka Makihara,Nobuhiko Nishiyama,Takehiko Kikuchi,Takuo Hiratani,Naoki Fujiwara,Naoko Inoue,Toshiyuki Nitta,Moataz Eissa,Takuya Mitarai,Yuning Wang,Yoshitaka Oiso,Tomohiro Amemiya,Hideki Yagi","Characteristics of GaInAsP/SOI Hybrid Semiconductor Optical Amplifier with InP-based Two-storied Ridge Structure","27th Optoelectronics and Communication Conference",,,,,,2022,July
"Takehiko Kikuchi,Takuo Hiratani,Naoki Fujiwara,Naoko Inoue,Toshiyuki Nitta,Moataz Eissa,Takuya Mitarai,Yuning Wang,Yoshitaka Oiso,Nobuhiko Nishiyama,Hideki Yagi","III?V gain region/Si waveguide hybrid lasers with InP-based two-storied ridge structure by direct bonding technology",,"Japanese Journal of Applied Physics",,"Vol. 61","Number 5","  052002",2022,May