論文

• Naoki Takahashi, Weicheng Fang, Ruihao Xue, Sho Okada, Yoshitaka Ohiso, Tomohiro Amemiya, Nobuhiko Nishiyama. Optical ReLU using membrane lasers for an all-optical neural network, Optics Letters, Vol. 47, No. 21, pp. 5715-5718, Oct. 2022.
• Weicheng Fang, Naoki Takahashi, Tsuyoshi Horikawa, Yoshitaka Ohiso, Ruihao Xue, Shunto Katsumi, Tomohiro Amemiya, Nobuhiko Nishiyama. High-temperature and high-efficiency operation of a membrane optical link with a buried-ridge-waveguide bonded on a Si substrate, Optics Express, Vol. 30, No. 19, pp. 34420-34428, Sept. 2022.
• Weicheng Fang, Naoki Takahashi, Yoshitaka Ohiso, Tomohiro Amemiya, Nobuhiko Nishiyama. Reduced Thermal Resistance of Membrane Fabry-Perot Laser Boned on Si Through Room-Temperature, Surface-Activated Bonding Assisted by a-Si Nano-Film, IEEE Journal of Quantum Electronics, Vol. 58, No. 2, p. 2000208, Feb. 2022.
• Naoki Takahashi, Weicheng Fang, Yoshitaka Ohiso, Tomohiro Amemiya, Nobuhiko Nishiyama. Lateral confinement enhanced membrane laser on Si with a buried-ridge-waveguide structure, Journal of the Optical Society of America B, Vol. 38, Issue 12, pp. 3340-3345, Oct. 2021.
• Weicheng Fang, Naoki Takahashi, Yoshitaka Ohiso, Tomohiro Amemiya, Nobuhiko Nishiyama. High-quality, room-temperature, surface-activated bonding of GaInAsP/InPmembrane structure on silicon, Japanese Journal of Applied Physics, Vol. 59, No. 6, p. 060905, June 2020.

国際会議発表 (査読有り)

• Naoki Takahashi, Weicheng Fang, Ruihao Xue, Shunto Katsumi, Yoshitaka Oiso, Tomohiro Amemiya, Nobuhiko Nishiyama. Low threshold current operation of membrane DR laser on Si with buried-ridge waveguide and ACPM grating for On-chip Optical Interconnection, 28th International Semiconductor Laser Conference (ISLC 2022), Oct. 2022.
• Weicheng Fang, Naoki Takahashi, Tsuyoshi Horikawa, Yoshitaka Ohiso, Ruihao Xue, Shunto Katsumi, Tomohiro Amemiya, Nobuhiko Nishiyama. High Temperature Operation of Membrane Photonic Integrated Circuits with Buried-Ridge-Waveguide on Si, ISLC 2022, Oct. 2022.
• Naoki Takahashi, Weicheng Fang, Ruihao Xue, Shunto Katsumi, Yoshitaka Ohiso, Tomohiro Amemiya, Nobuhiko Nishiyama. Proposal of ReLU activation function using III-V semiconductor membrane laser for optical neural network, 15th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2022), July 2022.
• Naoki Takahashi, Weicheng Fang, Ruihao Xue, Shunto Katsumi, Tomohiro Amemiya, Nobuhiko Nishiyama. Lasing Characteristics of GaInAsP Membrane Distributed-Reflector Laser on Si with Buried Ridge Waveguide Structure, ISPEC2021, Dec. 2021.
• Weicheng Fang, Naoki Takahashi, Ruihao Xue, Shunto Katsumi, Tomohiro Amemiya, Nobuhiko Nishiyama. Low Thermal Resistance of Membrane Distributed Feedback Laser Fabricated by Nano-film Assisted Room-temperature Surface Activated Bonding, ISPEC2021, Dec. 2021.
• Naoki Takahashi, Weicheng Fang, Yoshitaka Ohiso, Tomohiro Amemiya, Nobuhiko Nishiyama. Lateral Optical Confinement Enhanced GaInAsP Membrane Laser on Si for On-chip Optical Interconnection, 27th International Semiconductor Laser Conference (ISLC), Oct. 2021.
• Weicheng Fang, Naoki Takahashi, Yoshitaka Ohiso, Weiqi Wang, Tomohiro Amemiya, Nobuhiko Nishiyama. Thermal Resistance Reduction of GaInAsP/Si Membrane Laser bonded by Room Temperature Si-nano-film Assisted Surface Activated Bonding, Compound Semiconductor Week 2021, May 2021.
• Weicheng Fang, Naoki Takahashi, Weiqi Wang, Tomohiro Amemiya, Nobuhiko Nishiyama. Investigation of thermal shunt structure of semiconductor membrane laser based on BCB bonding for enhancing heat evacuation, The 10th International Symposium on Photonics and Electronics Convergence, Dec. 2020.
• weicheng Fang, Yuning Wang, Tomohiro Amemiya, Nobuhiko Nishiyama. InP/SiO2/Si Surface Activated Bonding assisted by Si nano-film, 9th International Symposium on Photonics and Electronics Convergence, Nov. 2019.
• Naoki Takahashi, Nagisa Nakamura, Takamasa Yoshida, Weicheng Fang, Tomohiro Amemiya, Nobuhiko Nishiyama, Shigehisa Arai. Buried-ridge-waveguide Type GaInAsP/InP Membrane Distributed-Reflector Lasers for Reduction of Differential Resistance, Compound Semiconductor Week 2019: 31st International Conference on Indium Phosphide and Related Materials (IPRM 2019), May 2019.
• Nagisa Nakamura, Takamasa Yoshida, Weicheng Fang, Tomohiro Amemiya, Nobuhiko Nishiyama, Shigehisa Arai. Energy Cost Study of Membrane Distributed-Reflector (DR) Lasers for High-speed Modulation, 8th International Symposium on Photonics and Electronics Convergence (ISPEC 2018), Dec. 2018.
• Nagisa Nakamura, Takamasa Yoshida, Weicheng Fang, Tomohiro Amemiya, Nobuhiko Nishiyama, Shigehisa Arai. Energy cost analysis of ridge-waveguide type membrane distributed-reflector lasers for on-chip application, The 27th International Semiconductor Laser Conference, Sept. 2018.
• Weicheng Fang, Tatsuya Uryu, Daisuke Inoue, Nagisa Nakamura, Takamasa Yoshida, Tomohiro Amemiya, Nobuhiko Nishiyama, Shigehisa Arai. Reduction of lasing wavelength variation due to injection current into GaInAsP/InP membrane distributed-reflector laser bonded on Si, Compound Semiconductor Week 2018, May 2018.

国際会議発表 (査読なし・不明)

• Naoki Takahashi, Weicheng Fang, Weiqi Wang, Tomohiro Amemiya, Nobuhiko Nishiyama. Buried-ridge-waveguide Type GaInAsP/InP Membrane Lasers for Reduction of Differential Resistance, The 10th International Symposium on Photonics and Electronics Convergence (ISPEC), Dec. 2020.
• Weiqi Wang, Weicheng Fang, Koichi Saito, Naoki Takahashi, Tomohiro Amemiya, Nobuhiko Nishiyama. Design of low loss InP-based membrane optical components on Si substrate, 9th International Symposium on Photonics and Electronics Convergence, Nov. 2019.

国内会議発表 (査読なし・不明)

• 高橋直樹, 筒井慧悟, Weicheng Fang, 勝見駿斗, 大礒義孝, 雨宮智宏, 西村公佐, 高橋英憲, 鈴木正敏, 西山伸彦. 後方DBRによる光子-光子共鳴を用いたGaInAsP半導体薄膜DRレーザの高速直接変調動作の検討, 2023年電子情報通信学会総合大会, Mar. 2023.
• Weicheng Fang, Naoki Takahashi, Tsuyoshi Horikawa, Yoshitaka Ohiso, Ruihao Xue, Shunto Katsumi, Tomohiro Amemiya, Nobuhiko Nishiyama. High temperature operation of membrane optical link with buried-ridge-waveguide on Si bonded by surface activated bonding, 2022 IEICE Society Conference, Sept. 2022.
• 高橋直樹, FangWeicheng, XueRuihao, 勝見駿斗, 大礒義孝, 雨宮智宏, 西山伸彦. 光閉じ込め構造改善によるGaInAsP半導体薄膜 分布反射型レーザの低しきい値電流動作, 2022年電子情報通信学会ソサイエティ大会, Sept. 2022.
• 高橋 直樹, FangWeicheng, 岡田祥, 大礒義孝, 雨宮智宏, 西山伸彦. 光ニューラルネットワークに向けた III-V族半導体薄膜レーザを用いた光活性化関数(ReLU)の提案, 2022年 第83回 応用物理学会秋季学術講演会, Sept. 2022.
• Ruihao Xue, Weicheng Fang, Naoki Takahashi, Shunto Katsumi, Yoshitaka Ohiso, Tomohiro Amemiya, Nobuhiko Nishiyama. Low Loss InP-Rib Waveguide on Si Substrate for Membrane Photonic Integrated Circuits, The 69nd JSAP Spring Meeting 2022, Mar. 2022.
• 高橋 直樹, 方 偉成, Ruihao Xue, 勝見 駿斗, 大礒 義孝, 雨宮 智宏, 西山 伸彦. リッジ埋め込み導波路構造およびACPM回折格子を導入した GaInAsP半導体薄膜レーザの発振特性, 2022年第69回応用物理学会春季学術講演会, Mar. 2022.
• Weicheng Fang, Naoki Takahashi, Ruihao Xue, Shunto Katsumi, Yoshitaka Ohiso, Tomohiro Amemiya, Nobuhiko Nishiyama. 110˚C high temperature operation of GaInAsP/Si membrane DFB Laser bonded by a-Si nano-film assisted surface activated bonding, The 69nd JSAP Spring Meeting 2022, Mar. 2022.
• 高橋直樹, FangWeicheng, 大礒義孝, 雨宮智宏, 西山伸彦. リッジ埋め込み導波路構造による強横方向光閉じ込め GaInAsP半導体薄膜レーザの発振特性, 第82回秋季応用物理学会, Sept. 2021.
• Weicheng Fang, Naoki Takahashi, Yoshitaka Ohiso, Tomohiro Amemiya, Nobuhiko Nishiya. Thermal resistance reduction of membrane FP laser bonded by a-Si nano-film assisted surface activated bonding, The 82nd JSAP Autumn Meeting 2021, Sept. 2021.
• 高橋 直樹, Weicheng Fang, Weiqi Wang, 大礒 義孝, 雨宮 智宏, 西山 伸彦. GaInAsP半導体薄膜分布反射型レーザの最適な光閉じ込めに関する考察, Photonic Device Workshop 2020, Nov. 2020.
• 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, Nov. 2020.
• Weicheng Fang, Naoki Takahashi, Weiqi Wang, Tomohiro Amemiya, Nobuhiko Nishiyama. Investigation of heat generation reduction effect of semiconductor membrane laser using thermal shunt structure, IEICE Society Conference 2020, Sept. 2020.
• Weicheng Fang, Naoki Takahashi, Yoshitaka Ohiso, Tomohiro Amemiya, Nobuhiko Nishiyama. Investigation of bonding interface and strain characteristics in surface activated bonding assisted by Si-nano film, 第67回応用物理学会春季学術講演会, Mar. 2020.
• Weiqi Wang, Weicheng Fang, Koichi Saito, Naoki Takahashi, Tomohiro Amemiya, Nobuhiko Nishiyama. Analysis of Low loss InP-based membrane waveguide for optical interconnection on Si substrate, 第67回応用物理学会春季学術講演会, 第67回応用物理学会春季学術講演会, 応用物理学会, Mar. 2020.
• 高橋直樹, FangWeicheng, 齋藤孝一, 雨宮智宏, 西山伸彦. GaInAsP半導体薄膜DRレーザへのACPM構造導入の理論検討, 2019年電子情報通信学会ソサイエティ大会, Sept. 2019.
• Fang Weicheng, 王 雨寧, 雨宮 智宏, 西山 伸彦. Investigation of bonding strength between (InP, Si)/SiO2 and Si by Surface Activated Bonding based on Fast Atom Beam assisted by Si nano-film, 第80回応用物理学会秋季学術講演会, Sept. 2019.
• 中村なぎさ, 吉田崇将, FangWeicheng, 高橋直樹, 雨宮智宏, 西山伸彦, 荒井滋久. GaInAsP/InPリッジ薄膜導波路半導体薄膜DRレーザの高速動作化におけるエネルギーコスト, 第79回応用物理学会秋季学術講演会, Sept. 2018.
• 吉田崇将, 中村なぎさ, FangWeicheng, 雨宮智宏, 西山伸彦, 荒井滋久. 2D-FDTD法による表面回折格子の散乱係数解析と その薄膜DRレーザ特性への影響, Sept. 2018.
• Weicheng Fang, Tatsuya Uryu, Tomohiro Amemiya, Nobuhiko Nishiyama, Shigehisa Arai. Lasing Wavelength Dependence on Injection Current of GaInAsP/InP Membrane Distributed Reflector Laser with Thin-BCB Layer, The 65th JSAP Spring Meeting, 2018, Extended abstracts of the 65th JSAP spring meeting, The Japan Society of Applied Physics, Mar. 2018.

学位論文

• Study of High Temperature and High Efficiency Operation of Membrane Photonic Integrated Circuits on Si Substrate,  Summary,  Doctor (Academic),  Tokyo Institute of Technology,  2022/09/22,   
• Study of High Temperature and High Efficiency Operation of Membrane Photonic Integrated Circuits on Si Substrate,  Thesis,  Doctor (Academic),  Tokyo Institute of Technology,  2022/09/22,   
• Study of High Temperature and High Efficiency Operation of Membrane Photonic Integrated Circuits on Si Substrate,  Exam Summary,  Doctor (Academic),  Tokyo Institute of Technology,  2022/09/22,   

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