"Tsuyoshi Horikawa,Atsushi Kitamura,Masanori Yatan,Nobuhiko Nishiyama","Formulation for multiple reflection in silicon waveguide observed in OFDR depth profile","IEEE Photonics Conference","Proc. IEEE Photonics Conference",,,,,2024,Nov. "N. Takahashi,S. Yoshida,Y. Ohiso,T. Horikawa,K. Tsutsui,K. Nishimura,S. Nimura,H. Takahashi,M. Suzuki,N. Nishiyama","Peak Frequency Control of Photon-Photon Resonance GaInAsP Membrane DR Lasers on Si with Rear-side Spacer Waveguide","The 29th International Semiconductor Laser Conference",,,,,,2024,Oct. "堀川 剛,吉田 俊,西山 伸彦","集積レーザ素子のウェハレベル自動計測","第85回応用物理学会秋季学術講演会","第85回応用物理学会秋季学術講演会予稿集",,,," 16a-A25-1",2024,Sept. "TSUYOSHI HORIKAWA,Makoto Okano,Nobuhiko Nishiyama","Record-low C-band TM mode propagation loss of 0.28 dB/cm in silicon single-mode waveguides with smooth top surface","Internationl Conference on Solid State Devices and Materials",,,,,,2024,Sept. "沖本 拓也,御手洗 拓矢,藤原 直樹,井上 尚子,平谷 拓生,黒川 宗高,菊地 健彦,新田 俊之,渡邉 冬馬,藤方 秀成,堀川 剛,西山 伸彦,八木 英樹","エアクラッド構造を有するInP/Siハイブリッド導波路型フォトダイオード","2024年電子情報通信学会ソサイエティ大会",,,,,,2024,Sept. "Tsuyoshi Horikawa","Silicon-based Integrated Photonics","Short Course, Internationl Conference on Solid State Devices and Materials",,,,,,2024,Sept. "吉田 俊,高橋 直樹,大磯 義孝,堀川 剛,筒井 慧吾,西村 公佐,二村 真司,高橋 英憲,鈴木 正敏,西山 伸彦","GaInAsPメンブレンDRレーザの後部スペーサ導波路導 入による光子-光子共鳴の共振周波数制御","応用物理学会秋季学術講演会",,,,,,2024,Sept. "Moataz Eissa,Ryuya Sasaki,Tsuyoshi Horikawa,Tomohiro Amemiya,Nobuhiko Nishiyama","Wafer and chip-level characterization of edge-coupled photonic integrated circuits by cascaded grating couplers and spot-size converters",,"Japanese Journal of Applied Physics",,"Vol. 63","No. 7",,2024,July "Tsuyoshi Horikawa,Atsushi Kitamura,Masanori Yatani,Nobuhiko Nishiyama","Extraction of Reflection Coefficient in Silicon Waveguides using Multiple Reflection Signals in OFDR","Conference on Lasers and Electro-Optics (CLEO 2024)","Proceedings of Conference on Lasers and Electro-Optics (CLEO 2024)",,,,,2024,May "堀川剛,吉田俊,西山伸彦","集積メンブレンレーザのウェハレベル自動計測","電子情報通信学会レーザ・量子エレクトロニクス研究会創立30周年 記念研究会","レーザ・量子エレクトロニクス研究会創立30周年 記念研究会講演予稿集","電子情報通信学会レーザ・量子エレクトロニクス研究会",,,,2024,May "吉田俊,高橋直樹,大磯義孝,堀川剛,筒井慧悟,西村公佐,二村 真司,高橋 英憲,鈴木 正敏,西山伸彦","後部スペーサ導波路による光子-光子共鳴を利用したGaInAsP メンブレン DR レーザの共振周波数制御","電子情報通信学会 レーザ・量子エレクトロニクス研究会(LQE)",,,,,,2024,May "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. "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. "Tsuyoshi Horikawa,Atsushi Kitamura,Masanori Yatani,Nobuhiko Nishiyama","Precise waveguide loss extraction using 300-mm wafer-level OFDR for optical process control monitoring","IEEE SiPhotonics 2024","Proceedings of IEEE SiPhotonics 2024","IEEE",,,,2024,Apr. "西 曜希,大礒 義孝,堀川 剛,雨宮 智宏,波多野 睦子,西山 伸彦","ダイヤモンドNVセンタ励起に向けた緑色光3dB-SiN導波路カプラの設計と作製","2024年電子情報通信学会総合大会",,,,,,2024,Mar. "菊地 健彦,黒川 宗高,藤原 直樹,井上 尚子,御手洗 拓矢,藤方 秀成,平谷 拓生,新田 俊之,伊藤 友樹,渡邉 冬馬,李 昌勇,古谷 章,堀川 剛,西山 伸彦,八木 英樹","III-V小片/SOIウェハ接合を用いたSi光回路上への種々のInP系エピタキシャル構造の一体集積","第71回応用物理学会春季学術講演会",,,,,,2024,Mar. "雨宮 智宏,岡田 祥,高橋 直樹,佐々木 龍耶,堀川 剛,渥美 裕樹,小田 悠貴,原 悠太,野田 真司,山本 宏,Thomas Uhrmann,Andrea Kneidinger,森 莉紗子,藤井 恭,浅井 隆宏,塩田 大,西山 伸彦","UVナノインプリントリソグラフィを用いた大面積集積フォトニクスプロセスの開発","第84回応用物理会秋季学術講演会",,,,,,2023,Sept. "Yuduan Wang,Tsuyoshi Horikawa,Yoshitaka Ohiso,Tomohiro Amemiya,Nobuhiko Nishiyama","Inverse Design of Low Back Reflection Grating Coupler","The 84th JASP Autumn Meeting 2023","Proceedings of the 84th JASP Autumn Meeting 2023",,,,,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. "堀川 剛,北村 敦,八谷 将典,西山 伸彦","OFDR法を用いたウェーハレベル光集積デバイス特性検査 ‐細線導波路伝搬損失の高精度評価","第84回応用物理学会秋季学術講演会","第84回応用物理学会秋季学術講演会",,,," 20a-A201-7",2023,Sept. "堀川剛","集積フォトニクスのエコシステムの状況と展望","電子情報通信学会 レーザ・量子エレクトロニクス研究会","信学技報",,,," LQE2023-20",2023,Aug. "堀川剛,西山伸彦","導波路加工偏差モニタリングによる方向性結合器の分岐比ばらつき解析","2023年第70回応用物理学会春季学術講演会","2023年第70回応用物理学会春季学術講演会予稿集",,,," 16a-A409-7",2023,Mar. "堀川剛","第5章第1節 シリコンフォトニクス技術を用いた 集積フォトニクスプラットホームの構築",,"次世代高速通信に対応する光回路実装、デバイスの開発","株式会社 技術情報協会",,,,2022,Nov. "堀川剛","シリコンフォトニクス技術を用いた 集積フォトニクスプラットホームの構築",,"電子情報通信学会誌 = The journal of the Institute of Electronics, Information and Communication Engineers","電子情報通信学会","Vol. 105","No. 11","pp. 1299-1306",2022,Nov. "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",,,,,,2022,Oct. "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",2022,Sept. "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",,,,,,2022,Sept. "Tsuyoshi Horikawa,Tohru Mogami","Ultra-fine Si photonics fabrication technology based on 40-nm-node CMOS process",,"2015 IEEE 12th International Conference on Group IV Photonics (GFP)",,,,,2015,Aug. "Jun-ichi Aihara,Tsuyoshi Horikawa","Graph-theoretical formula for ring currents induced in a polycyclic conjugated system.",,"Bull. Chem. Soc. Jpn.",,"Vol. 56","No. 6","pp. 1853-1854",1983,June "Jun-ichi Aihara,Tsuyoshi Horikawa","General graph-theoritical formula for the London susceptibility of a cyclic conjugated system with highly degenerate orbitals",,"Chemical Physics Letters",,"Vol. 95","No. 6","pp. 561-563",1983, "Tsuyoshi Horikawa,Jun-ichi Aihara","Contribution of quadruply degenerate .PI.-electron orbitals to London susceptibility.",,"Bull. Chem. Soc. Jpn.",,"Vol. 56","No. 5","pp. 1547-1548",1983,