国際会議発表 (査読有り)

• Norikatsu Takaura, Shoma Miyata, Moataz Eissa, Takaaki Noda, Yuji Urano, Zhao Jiaang, Hiroaki Takahashi, Shuntaro Machida, Tsuyoshi Horikawa, Nobuhiko Nishiyama. Low Propagation Loss in LPCVD Si3N4 Waveguides Without the Need for High-Temperature Annealing: Expanding Applications in Silicon Photonics, 2025 International conference on solid state devices and materials, Sept. 2025.

国際会議発表 (査読なし・不明)

• Kaibin Yao, Shaher Anis Mahmoud Eissa Moataz, Tsuyoshi Horikawa, Nobuhiko Nishiyama. Silicon Oxynitride/Silicon Interlayer Couplers: Flexible Index Control, High Efficiency and Compact on Silicon Platform, 30th OptoElectronics and Communications Conference, July 2025.
• Moataz Eissa, Yoshitaka Ohiso, Kensuke Ogawa, Yuki Nomoto, Tsuyoshi Horikawa, Shoichiro Yamaguchi, Masahiko Namerikawa, Nobuhiko Nishiyama. Low-loss amorphous-Si Strip-Loaded Thin Film Lithium Niobate on Insulator Waveguides with Compact Bending Radius, 30th OptoElectronics and Communications Conference, July 2025.
• Moataz Eissa, Tsuyoshi Horikawa, Suguru Yoshida, Nobuhiko Nishiyama. Integrated Testing Strategy of Wafer and Chip-level Characterization for Photonic Integrated Circuits, 30th OptoElectronics and Communications Conference, July 2025.

国内会議発表 (査読なし・不明)

• Moataz Eissa, Yoshitaka Ohiso, Kensuke Ogawa, Yuki Nemoto, Shoichiro Yamaguchi, Masahiko Namerikawa, Nobuhiko Nishiyama. Amorphous-Si Strip-Loaded Thin Film Lithium Niobate on Insulator Waveguides with Low Propagation Loss and Reduced Bending Radius, The 86th JSAP Autumn Meeting, 2025, Sept. 2025.
• Kaibin Yao, Shaher Anis Mahmoud Eissa Moataz, Tsuyoshi Horikawa, Nobuhiko Nishiyama. Characteristics Comparison of Interlayer Couplers Between Silicon Oxynitride and Silicon Waveguide Layers, 第86回応用物理学会秋季学術講演会, Sept. 2025.
• Moataz Eissa, Yoshitaka Ohiso, Tsuyoshi Horikawa, Nobuhiko Nishiyama. Investigation of III-V/SOI hybrid laser structure with Si double-ring-resonators and SiN front-side coupling, 2025 The 72nd Japan Society of Applied Physics (JSAP) Spring Meeting, Mar. 2025.
• Haoyu Chen, Eissa Moataz, Kaibin Yao, Tsuyoshi Horikawa, Nobuhiko Nishiyama. Design of Layer-to-Layer Coupler between Si and SiON Waveguides using Low Index (~1.6) SiON, The 72nd JSAP Spring Meeting 2025, Mar. 2025.
• 西山 伸彦, 古田 裕典, 大礒 義孝, 吉田 俊, Moataz Eissa, 谷川 兼一, 鈴木貴人, 岡山 秀彰, 志村 大輔. 光集積回路に向けたCrystal Film Bonding技術によるSiO2/Si基板上へのInPエピタキシャル層接合, 第72回応用物理学会春季学術講演会, Mar. 2025.

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