"Takuo Hiratani,Naoki Fujiwara,Naoko Inoue,Munetaka Kurokawa,Takehiko Kikuchi,Takuya Mitarai,Toshiyuki Nitta,Tohma Watanabe,Hidenari Fujikata,Nobuhiko Nishiyama,Hideki Yagi","SOA Integrated InP/Si Hybrid Tunable Laser by Utilizing Chip-on-Wafer Hydrophilic Bonding","IEEE Silicon Photonics Conference",,,,,,2024,Apr.
"Takehiko Kikuchi,Munetaka Kurokawa,Naoki Fujiwara,Naoko Inoue,Takuya Mitarai,Hidenari Fujikata,Takuo Hiratani,Toshiyuki Nitta,Yuhki Itoh,Tohma Watanabe,Chang-Yong Lee,Akira Furuya,Tsuyoshi Horikawa,Nobuhiko Nishiyama,Hideki Yagi","Monolithic integration of various-type III-V epitaxial structures on silicon-photonics platform using chip-on-wafer hydrophilic bonding process","IEEE Silicon Photonics Conference",,,,,,2024,Apr.
"Takehiko Kikuchi,Munetaka Kurokawa,Naoki Fujiwara,Naoko Inoue,Takuya Mitarai,Hidenari Fujikata,Takuo Hiratani,Toshiyuki Nitta,Yuhki Itoh,Tohma Watanabe,Chang-Yong Lee,Akira Furuya,Tsuyoshi Horikawa,Nobuhiko Nishiyama,Hideki Yagi","Monolithic integration of various types of InP-based epitaxial structures on Si-photonic circuit using III-V chip-on-SOI wafer bonding","第71回応用物理学会春季学術講演会",,,,,,2024,Mar.
"Takuo Hiratani,Naoki Fujiwara,Naoko Inoue,Munetaka Kurokawa,Takehiko Kikuchi,Takuya Mitarai,Toshiyuki Nitta,Tohma Watanabe,Hidenari Fujikata,Nobuhiko Nishiyama,Hideki Yagi","Hybrid tunable lasers with InP-based gain region bonded on Si-slab waveguide structure","電子情報通信学会総合大会",,,,,,2024,Mar.
"Naoko Inoue,Takuo Hiratani,Naoki Fujiwara,Takehiko Kikuchi,Munetaka Kurokawa,Takuya Mitarai,Toshiyuki Nitta,Tohma Watanabe,Nobuhiko Nishiyama,Hideki Yagi","SOA integrated hybrid tunable laser by InP chip-on-SOI wafer bonding using UV-ozone hydrophilization","第71回応用物理学会春季学術講演会",,,,,,2024,Mar.
"Naoko Inoue,Takehiko Kikuchi,Naoki Fujiwara,Munetaka Kurokawa,Takuo Hiratani,Toshiyuki Nitta,Akira Furuya,Chang-Yong Lee,Yuhki Itoh,Nobuhiko Nishiyama,Hideki Yagi","Stable CW operation of III-V/Si hybrid lasers by chip-on-wafer direct bonding technique using UV-ozone hydrophilization","2023 IEEE Photonics Conference",,,,,,2023,Nov.
"Takehiko Kikuchi,Munetaka Kurokawa,Naoki Fujiwara,Naoko Inoue,Takuo Hiratani,Toshiyuki Nitta,Takuya Mitarai,Yuhki Itoh,Chang-Yong Lee,Akira Furuya,Yoshitaka Oiso,Nobuhiko Nishiyama,Hideki Yagi","III-V gain region/Si waveguide hybrid lasers by chip-on-wafer hydrophilic bonding process using UV-ozone treatment",,,,,,,2023,Oct.
"Takehiko Kikuchi,Munetaka Kurokawa,Naoki Fujiwara,Naoko Inoue,Takuo Hiratani,Toshiyuki Nitta,Takuya Mitarai,Yuhki Itoh,Yoshitaka Oiso,Nobuhiko Nishiyama,Hideki Yagi","Room-temperature CW operation of hybrid lasers by InP/SOI chip-on-wafer bonding with UV-ozone hydrophilization","第70回応用物理学会春季学術講演会",,,,,,2023,Mar.
"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
"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.
"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.
"Takuo Hiratani,Naoki Fujiwara,Takehiko Kikuchi,Toshiyuki Nitta,Shaher Anis Mahmoud Eissa Moataz,Yuning Wang,Yutaka Makihara,Nobuhiko Nishiyama,Hideki Yagi","Room temperature-continuous wave operation of III-V/Si hybrid lasers with two-storied ridge structure","2020年電子情報通信学会総合大会",,,,,,2020,Mar.
"Takehiko Kikuchi,Naoki Fujiwara,Takuo Hiratani,Toshiyuki Nitta,Moataz Eissa,Yuning Wang,Yutaka Makihara,Nobuhiko Nishiyama,Hideki Yagi","Dependence of Si waveguide width on properties of RWG-lasers with III-V/Si direct bonding structure","第67回応用物理学会春季学術講演会",,,,,,2020,Feb.