"Shaher Anis Mahmoud Eissa Moataz,Ryuya Sasaki,Tsuyoshi Horikawa,Tomohiro Amemiya,Nobuhiko Nishiyama","Coupling structure for enabling both wafer- and chip-level characterization of silicon photonic integrated circuits","IEEE SiPhotonics 2024","Proceedings of IEEE SiPhotonics 2024","IEEE",,,,2024,Apr.
"R. Sasaki,T. Katsuyama,Y. Oiso,T. Kikuchi,Moataz Eissa,T. Amemiya1,N. Nishiyama","A study of the effect of misalignment between III-V/Si waveguides  in direct bonding GaInAsP/SOI optical devices","The Institute of Electronics, Information and Communication Engineers",,,,,,2023,Sept.
"Moataz Eissa,Ryuya Sasaki,Tsuyoshi Horikawa,Tomohiro Amemiya,Nobuhiko Nishiyama","Wafer- and chip-level characterization of photonic integrated circuits by cascaded grating-couplers and spot-size converters","IEICE Society Conference",,,,,,2023,Sept.
"Moataz Eissa,Takehiko Kikuchi,Yoshitaka Ohiso,Tomohiro Amemiya,Nobuhiko Nishiyama","Low-thermal-resistance GaInAsP/SOI ridge-waveguide hybrid lasers","2023年電子情報通信学会総合大会",,,,,,2023,Mar.
"Shaher Anis Mahmoud Eissa Moataz,Takehiko Kikuchi,Yoshitaka Oiso,Tomohiro Amemiya,Nobuhiko Nishiyama","High thermal performance hybrid GaInAsP/SOI ridge waveguide lasers with enhanced heat dissipation structure",,"Japanese Journal of Applied Physics",,"vol. 62","no. 1","pp. 010905",2023,Jan.
"Keita Yamaguchi,Shaher Anis Mahmoud Eissa Moataz,Yoshitaka Oiso,Tomohiro Amemiya,Nobuhiko Nishiyama","Characteristics of SiON waveguides at various refractive indices","ISPEC2022",,,,,,2022,Dec.
"Moataz Eissa,Takehiko Kikuchi,Yoshitaka Ohiso,Tomohiro Amemiya,Nobuhiko Nishiyama","Low-thermal-resistance by Decoupled Ridge Insulation Structure for hybrid GaInAsP/SOI ridge-waveguide lasers","International Semiconductor Laser Conference 2022","ISLC2022",,,,,2022,Oct.
"Moataz Eissa,Takehiko Kikuchi,Yoshitaka Ohiso,Tomohiro Amemiya,Nobuhiko Nishiyama","Thermal resistance reduction of ridge-waveguide III-V/SOI hybrid lasers by thin ridge-insulation","2022 IEICE Society Meeting","2022年度電子情報通信学会ソサイエティ大会",,,,,2022,Sept.
"Koki Hihara,Moataz Eissa,Keita Yamaguchi,Hiromu Onodera,Yoshitaka Ohiso,Tomohiro Amemiya,AKITOSHI OKINO,Nobuhiko Nishiyama","Investigation of Semiconductor Hydrophilicity by Atomosphere Pressure Plasma toward Heterogeneous Material-integrated Photonic Circuits","The 83rd JSAP Autumn Meeting 2022",,,,,,2022,Sept.
"Keita Yamaguchi,Shaher Anis Mahmoud Eissa Moataz,Yoshitaka Oiso,Tomohiro Amemiya,Nobuhiko Nishiyama","導波路に向けた屈折率自由度を持つSiONの成膜条件の検討","2022年 第83回 応用物理学会秋季学術講演会",,,,,,2022,Sept.
"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
"Keita Yamaguchi,Shaher Anis Mahmoud Eissa Moataz,Yuduan Wang,Yoshitaka Ohiso,Tomohiro Amemiya,Nobuhiko Nishiyama","Investigation of the Improvement of Coupling Efficiency of Si/SiON/SiO2 Double Clad Spot Size Converter by Changing SiON Refractive Index","第３回光集積及びシリコンフォトニクス(PICS)研究会",,,,,,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
"Yutaka Makihara,Moataz Eissa,Tomohiro Amemiya,Nobuhiko Nishiyama","Design and characteristics of reflectivity tunable mirror with MZI and loop waveguide on SOI",,"Japanese Journal of Applied Physics",,"Vol. 61","No. SC","p. SC1036",2022,Feb.
"Yutaka Makihara,Shaher Anis Mahmoud Eissa Moataz,Tomohiro Amemiya,Nobuhiko Nishiyama","マッハツェンダー干渉計とループミラーを用いた反射率可変ミラーの作製と評価","Photonic Device Workshop 2021",,,,,,2021,Nov.
"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.
"Yutaka Makihara,Shaher Anis Mahmoud Eissa Moataz,Tomohiro Amemiya,Nobuhiko Nishiyama","Reflectivity Tunable Mirror with MZI and Loop Waveguide on SOI for Reconfigurable Photonic Integrated Circuit.","Solid State Devices and Materials",,,,,,2021,Sept.
"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.
"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.
"Weiqi Wang,Shaher Anis Mahmoud Eissa Moataz,Weicheng Fang,Naoki Takahashi,Yoshitaka Oiso,Tomohiro Amemiya,Nobuhiko Nishiyama","Design of InP-based membrane waveguide on Si substrate toward low propagation loss and high-efficiency coupling with laser","Photonic Device Workshop 2020",,,,,,2020,Nov.
"Moataz Eissa,Takuya Mitarai,Tomohiro Amemiya,Yasuyuki Miyamoto,Nobuhiko Nishiyama","Fabrication of Si photonic waveguides by electron beam lithography using improved proximity effect correction",,"Japanese Journal of Applied Physics","IOP publishing","Volume 59","Number 12","p. 126502",2020,Nov.
"Takuya Mitarai,Shaher Anis Mahmoud Eissa Moataz,Takayuki Miyazaki,Tomohiro Amemiya,Nobuhiko Nishiyama","Design and measurement of broadband loop mirror with curved directional coupler based on Si waveguides",,"Japanese Journal of Applied Physics","IOP Publishing","Vol. 59",,"p. 112002",2020,Oct.
"Yutaka Makihara,Moataz EISSA,Takuya MITARAI,Tomohiro AMEMIYA,Nobuhiko NISHIYAMA,Yuya SHOJI,Keijiro SUZUKI,Ryotaro KONOIKE,Makoto OKANO,Kazuhiro IKEDA,Tetsuya MIZUMOTO","Reflectivity Tunable Mirror Using Si Waveguide toward Reconfigurable Photonic Integrated Circuit","Photonic Device Workshop",,,,,,2020,Oct.
"Yutaka Makihara,Moataz Eissa,Takuya Mitarai,Tomohiro Amemiya,Nobuhiko Nishiyama,Yuya Shoji,Keijiro Suzuki,Ryotaro Konoike,Makoto Okano,Kazuhiro Ikeda,Tetsuya Mizumoto","Evaluation of variable reflectance mirror using Si waveguide fabricated by CMOS process","2020年電子情報通信学会ソサイエティ大会",,,,,,2020,Sept.
"Yutaka Makihara,Shaher Anis Mahmoud Eissa Moataz,Takuya Mitarai,Takayuki Miyazaki,Tomohiro Amemiya,Nobuhiko Nishiyama","機能可変光集積回路に向けたSi導波路反射率可変ミラー","第67回応用物理学会春季学術講演会","応用物理学会学術講演予稿集",,,,"p. 14p-B508-7",2020,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.
"Takayuki Miyazaki,Shaher Anis Mahmoud Eissa Moataz,Takuya Mitarai,Tomohiro Amemiya,Nobuhiko Nishiyama","Study of the Relation between Thermal Resistance  and Optical Gain in GaInAsP/SOI Hybrid SOA","Photonic Device Workshop2019",,"電子情報通信学会 LQE/OPE/PICS",,,,2019,Dec.
"Makoto Tanaka,Tomohiro Amemiya,Hibiki Kagami,Sho Okada,Moataz Eissa,Nobuhiko Nishiyama","Shape PEC of Electron-beam Lithography for C-ring Metamaterial Structures","Photonic Device Workshop 2019",,,,,,2019,Dec.
"Moataz Eissa,Takuya Mitarai,Tomohiro Amemiya,Nobuhiko Nishiyama,Yasuyuki Miyamoto","Fabrication of Si Photonics Waveguides by Thick Resist-Mask Electron Beam Lithography Proximity Effect Correction","32nd International Microprocesses and Nanotechnology Conference (MNC 2019)",,,,,,2019,Oct.
"Takayuki Miyazaki,Takuya Mitarai,Shaher Anis Mahmoud Eissa Moataz,Tomohiro Amemiya,Nobuhiko Nishiyama","III-V/Si ハイブリッドSOA高効率動作に向けた光学利得の熱抵抗依存性検討","第80回応用物理学会秋季学術講演会",,,,,,2019,Sept.
"Moataz Eissa,Takuya Mitarai,Tomohiro Amemiya,Nobuhiko Nishiyama,Yasuyuki Miyamoto","Fabrication of Si Photonics Waveguides by Thick Resist-Mask Electron Beam Lithography Proximity Effect Correction","第80回応用物理学会秋季学術講演会",,,,,,2019,Sept.
"Yuning Wang,Moataz Eissa,Takuya Mitarai,Tomohiro Amemiya,Nobuhiko Nishiyama","Investigation of Photoluminescence property of InP/SOI wafer after bonding experiment using Surface Activated Bonding based on Fast Atom Beam","第80回応用物理学会秋季学術講演会",,,,,,2019,Sept.
"takuya mitarai,moataz eissa,takayuki miyazaki,tomohiro amemiya,Nobuhiko Nishiyama,Shigehisa Arai","Broadband Si waveguide loop mirror with curved directional coupler","The 24th Optoelectronics and Communications Conference (OECC/PSC 2019)",,,,,,2019,July
"Takayuki Miyazaki,Fumihito Tachibana,Takehiko Kikuchi,Takuo Hiratani,Hideki Yagi,Moataz Eissa,Takuya Mitarai,Tomohiro Amemiya,Nobuhiko Nishiyama,Shigehisa Arai","Taper Length Dependence of Double-Taper-Type Coupler for GaInAsP/SOI Hybrid Integrated Platform","Compound Semiconductor Week 2019: 31st International Conference on Indium Phosphide and Related Materials (IPRM 2019)",,,,,,2019,May
"Takuya Mitarai,Shaher Anis Mahmoud Eissa Moataz,Fumihito Tachibana,Takayuki Miyazaki,Tomohiro Amemiya,Nobuhiko Nishiyama,SHIGEHISA ARAI","Si 曲げ導波路方向性結合器を用いたループミラーの作製と評価","第66回応用物理会春季学術講演会",,,,,,2019,Mar.
"Takayuki Miyazaki,Fumihito Tachibana,Takehiko Kikuchi,Takuo Hiratani,Yagi Hideki,Shaher Anis Mahmoud Eissa Moataz,Takuya Mitarai,Tomohiro Amemiya,Nobuhiko Nishiyama,SHIGEHISA ARAI","III-V/Siハイブリッド集積プラットホーム実現に向けたハイブリッド/シリコン領域2段テーパ導波路のテーパ構造依存性","電子情報通信学会 2018年総合大会",,,,,,2019,Mar.
"Takuya Mitarai,Shaher Anis Mahmoud Eissa Moataz,Takayuki Miyazaki,Fumihito Tachibana,Liu Bai,Yuning Wang,Tomohiro Amemiya,Nobuhiko Nishiyama,SHIGEHISA ARAI","Si曲げ導波路による方向性光結合器を用いた広帯域ループミラーの作製","電子情報通信学会 光エレクトロニクス研究会",,,,,,2018,Dec.
"Takehiko Kikuchi,Junichi Suzuki,Fumihito Tachibana,Naoko Inoue,Hideki Yagi,Moataz Eissa,Takuya Mitarai,Tomohiro Amemiya,Nobuhiko Nishiyama,Shigehisa Arai","High optical coupling efficiency by double taper-type coupler structure towards III-V/Si hybrid photonic integration","電子情報通信学会 光エレクトロニクス研究会（OPE）","IEICE technical report",,"Vol. 118","No. 348","pp. 161-164",2018,Dec.
"Takuya Mitarai,Shaher Anis Mahmoud Eissa Moataz,Junichi Suzuki,Tomohiro Amemiya,Nobuhiko Nishiyama,SHIGEHISA ARAI","Si光回路におけるループミラーの波長依存性低減の検討","秋季応用物理学会",,,,,,2018,Sept.
"Fumihito Tachibana,Junichi Suzuki,Takehiko Kikuchi,Naoko Inoue,Hideki Yagi,Moataz Eissa,Takuya Mitarai,Tomohiro Amemiya,Nobuhiko Nishiyama,Shigehisa Arai","Structure dependence of double taper-type waveguide coupler between hybrid/silicon sections  towards integration of III-V/Si hybrid SOA","2018年電子情報通信学会ソサイエティ大会",,,,,,2018,Sept.
"Junichi Suzuki,Fumihito Tachibana,Kumi Nagasaka,Moataz S. A. M. Eissa,Liu Bai,Takuya Mitarai,Tomohiro Amemiya,Nobuhiko Nishiyama,Shigehisa Arai","Highly efficient double-taper-type coupler between III-V/Silicon-on-insulator hybrid device and silicon waveguide",,"Japanese Journal of Applied Physics","Japan Society of Applied Physics","Vol. 57","No. 9","p. 094101",2018,Aug.
"Takuya Mitarai,Junichi Suzuki,Shaher Anis Mahmoud Eissa Moataz,Tomohiro Amemiya,Nobuhiko Nishiyama,SHIGEHISA ARAI","ハイブリッドレーザに向けたSi導波路ループミラーの波長依存性低減","電子情報通信学会 レーザ・量子エレクトロニクス研究会",,,,,,2018,May
"Fumihito Tachibana,Junichi Suzuki,Takehiko Kikuchi,Naoko Inoue,Hideki Yagi,Moataz Eissa,Takuya Mitarai,Tomohiro Amemiya,Nobuhiko Nishiyama,SHIGEHISA ARAI","Coupling efficiency evaluation of double taper-type coupler structure between hybrid/silicon sections towards multi-functional integration of III-V/Si hybrid SOA","2018年電子情報通信学会総合大会",,,,,,2018,Mar.
"Shaher Anis Mahmoud Eissa Moataz","Study of InP/Si Hybrid Lasers with High-quality Si waveguide Fabrication by Electron Beam Lithography",,,,,,,,
"Shaher Anis Mahmoud Eissa Moataz","Study of InP/Si Hybrid Lasers with High-quality Si waveguide Fabrication by Electron Beam Lithography",,,,,,,,