"Takuo Hiratani,Naoki Fujiwara,Takehiko Kikuchi,Naoko Inoue,Tsutomu Ishikawa,Toshiyuki Nitta,Moataz Eissa,Yoshitaka Oiso,Nobuhiko Nishiyama,Hideki Yagi","III-V gain region/Si external cavity hybrid tunable lasers with InP-based two-storied ridge structure","27th International Semiconductor Laser Conference (ISLC)",,,,,,2021,Oct.
"Takehiko Kikuchi,Takuo Hiratani,Naoki Fujiwara,井上 尚子,Toshiyuki Nitta,Shaher Anis Mahmoud Eissa Moataz,Takuya Mitarai,Yoshitaka Oiso,Nobuhiko Nishiyama,Hideki Yagi","多段テーパ構造によるInP系利得領域/Si導波路光結合部を有するハイブリッド集積レーザの波長可変動作","第68回応用物理学会春季講演会","応用物理学会予稿集",,,,,2021,Mar.
"Moataz Eissa,Takehiko Kikuchi,Takuo Hiratani,Yutaka Makihara,Naoki Fujiwara,Naoko Inoue,Toshiyuki Nitta,Hideki Yagi,Yoshitaka Ohiso,Tomohiro Amemiya,Nobuhiko Nishiyama","Hybrid DFB Lasers Consisting of GaInAsP Gain Region and Si Vertical Grating Fabricated by Room-temperature Surface-activated Bonding","The 68th JSAP Spring Meeting",,,,,,2021,Mar.
"Yutaka Makihara,Takehiko Kikuchi,Takuo Hiratani,Naoki Fujiwara,井上 尚子,Toshiyuki Nitta,Shaher Anis Mahmoud Eissa Moataz,Takuya Mitarai,Yoshitaka Oiso,Tomohiro Amemiya,Hideki Yagi,Nobuhiko Nishiyama","異種材料接合により集積されたSOI基板上波長可変レーザおよび光増幅器による相互利得変調の試行","第68回応用物理学会春季学術講演会",,,,,,2021,Mar.