論文

• E. Ishida, K. Miura, Y. Shoji, H. Yokoi, T. Mizumoto, N. Nishiyama, S. Arai. Amorphous-Si waveguide on a garnet magneto-optical isolator with a TE mode nonreciprocal phase shift, Optics Express, vol. 25, no. 1, pp. 452-462, Jan. 2017.
• H. Yokoi, Y. Shoji, T. Mizumoto. Selective oxidation and successive wet etching for freestanding structure of magneto-optic waveguide, Technical Digest on IEEE/LEOS International Conference on Optical MEMS, pp. 75-76, 2003.
• Y. Shoji, H. Yokoi, T. Mizumoto. Enhancement of magneto-optic effect in magneto-optic waveguide with low refractive index undercladding layer, Technical Digest on 2003 International Conf. on Solid State Devices and Materials, pp. 188-189, 2003.
• H. Yokoi, T. Mizumoto, T. Sakai, T. Ohtsuka, Y. Nakano. Surface micromachining in optical isolator with semiconductor guiding layer for enhancement of magnetooptic effect, Japanese Journal of Applied Physics, Vol. 42, No. 8, pp. 5094-5097, 2003.
• Hideki Yokoi, Tetsuya Mizumoto, Kazumasa Sakurai, Takashi Sakai, Takafumi Ohtsuka, Yoshiaki Nakano. Selective oxidation of AlInAs layer in optical isolator employing nonreciprocal radiation mode conversion, Technical Digest on Fifth International Symposium on Contemporary Photonics Technology, 2002.
• H. Yokoi, T. Mizumoto, T. Sakai, H. Sano, T. Ohtsuka, Y. Nakano. Surface micromachining in optical isolator employing nonreciprocal radiation mode conversion, Extended Abstracts of the 2002 International Conf. on Solid State Devices and Materials, 2002.
• H. Yokoi, T. Mizumoto, S. Kuroda, T. Ohtsuka, Y. Nakano. Elimination of a back-reflected TE mode in TM-mode optical isolator with a Mach-Zehnder interferometer, Applied Optics, Vol. 41, No. 33, pp. 7045-7051, 2002.
• H. Yokoi, T. Mizumoto, H. Iwasaki. Nonreciprocal TE-TM mode converter with semiconductor guiding layer, Electronics Letters, Vol. 38, No. 25, pp. 1670-1672, 2002.
• 横井, 水本, 桜井, 酒井, 大塚, 中野. Optical isolator with magnetic garnet / semiconductor magneto-optic waveguide employing nonreciprocal radiation mode conversion, Technical Report of IEICE Japan, Vol. 101, No. 448, pp. 23-28, 2001.
• Hideki Yokoi, Tetsuya Mizumoto, Hiroshi Masaki, Naoki Futakuchi, Yoshiaki Nakano. Selective oxidation for enhancement of magneto-optic effect in optical isolator with semiconductor guiding layer, Electronics Letters, Vol. 37, No. 4, pp. 240-241, 2001.
• Hideki Yokoi, Takashi Waniishi, Tetsuya Mizumoto, Masafumi Shimizu, Kazumasa Sakurai, Naoki Futakuchi, Yoshiaki Nakano. Integration of terraced laser diode and garnet crystals by wafer direct bonding, Japanese Journal of Applied Physics, Vol. 40, No. 5A, pp. 3463-3467, 2001.
• Hideki Yokoi, Tetsuya Mizumoto, Hiroshi Masaki, Naoki Futakuchi, Takafumi Ohtsuka, Yoshiaki Nakano. Selective oxidation of AlInAs layer grown on InP for enhancement of magneto-optic effect in optical isolator, OECC/IOOC Conference Proceedings, pp. 583-584, 2001.
• Hideki Yokoi, Tetsuya Mizumoto, Kazumasa Sakurai, Takashi Sakai, Takafumi Ohtsuka, Yoshiaki Nakano. Optical isolator with AlInAs-oxide cladding layer employing nonreciprocal radiation mode conversion, Technical Digest on 8th Microoptics Confefence, pp. 170-173, 2001.
• Hideki Yokoi, Tetsuya Mizumoto, Nobuhiro Shinjo, Naoki Futakuchi, Yoshiaki Nakano. Demonstration of an optical isolator with a semiconductor guiding layer that was obtained by use of a nonreciprocal phase shift, Applied Optics, Vol. 39, No. 33, pp. 6158-6164, 2000.
• Hideki Yokoi, Tetsuya Mizumoto. Integration of terraced laser diode and optical isolator by wafer direct bonding, Technical Digest on Conference on Lasers and Electro-Optics Europe, pp. 36, 2000.
• Hideki Yokoi, Tetsuya Mizumoto, Naoki Futakuchi, Noriaki Kaida, Yoshiaki Nakano. Magnetic-garnet-bonded III-V compound semiconductor for integrated optical isolator, Abstracts of Materials Research Society's 1999 Spring Meeting, pp. 312, 1999.
• Hideki Yokoi, Tetsuya Mizumoto, Masafumi Shimizu, Naoki Futakuchi, Noriaki Kaida, Yoshiaki Nakano. Direct bonding between quaternary compound semiconductor and garnet crystals for integrated optical isolator, Japanese Journal of Applied Physics, Vol. 38, No. 1, pp. 195-197, 1999.
• Hideki Yokoi, Tetsuya Mizumoto, Tomoaki Takano. Selective area growth of magnetic garnet crystals by liquid-phase epitaxy and its application to waveguide devices, Japanese Journal of Applied Physics, Vol. 38, No. 8, pp. 4847-4851, 1999.
• Hideki Yokoi, Tetsuya Mizumoto, Masafumi Shimizu, Takashi Waniishi, Naoki Futakuchi, Noriaki Kaida, Yoshiaki Nakano. Analysis of GaInAsP surfaces by contact-angle measurement for wafer direct bonding with garnet crystals, Japanese Journal of Applied Physics, Vol. 38, No. 8, pp. 4780-4783, 1999.
• Hideki Yokoi, Tetsuya Mizumoto, Tomoaki Takano, Nobuhiro Shinjo. Demonstration of optical isolator employing nonreciprocal phase shift, Applied Optics, Vol. 38, No. 36, pp. 7409-7413, 1999.
• Hideki Yokoi, Tetsuya Mizumoto, Nobihiro Shinjo, Naoki Futakuchi, Noriaki Kaida, Yoshiaki Nakano. Coupling characteristics of three-guide tapered coupler for integrated optical isolator with semiconductor guiding layer, Technical Digest on The Pacific Rim Conference on Lasers and Electro-optics, pp. 1204-1205, 1999.
• Hideki Yokoi, Tetsuya Mizumoto, Nobuhiro Shinjo, Naoki Futakuchi, Noriaki Kaida, Yoshiaki Nakano. Feasibility of integrated optical isolator with semiconductor guiding layer fabricated by wafer direct bonding, IEE Proceedings Optoelectronics, Vol. 146, No. 2, pp. 105-110, 1999.
• Hideki Yokoi, Tetsuya Mizumoto. Integrated optical isolator employing nonreciprocal phase shift by wafer direct bonding, Abstracts of Materials Research Society's 1998 Spring Meeting, pp. 233, 1998.
• Hideki Yokoi, Tetsuya Mizumoto. Low temperature wafer direct bonding between GaInAsP etch stop layer and Gd₃Ga₅O₁₂, Technical Digest on Conference on Lasers and Electro-Optics Europe, pp. 336, 1998.
• Hideki Yokoi, Tetsuya Mizumoto. Proposed configuration of integrated optical isolator employing wafer direct bonding technique, Electronics Letters, Vol. 33, No. 21, pp. 1787-1788, 1997.
• Hideki Yokoi, Tetsuya Mizumoto. Magnetooptic waveguide with SiO₂ cladding layer integrated on InP substrate by wafer direct bonding, Japanese Journal of Applied Physics, Vol. 36, No. 12, pp. 7230-7232, 1997.
• Hideki Yokoi, Tetsuya Mizumoto, Koichi Maru, Yoshiyuki Naito. Improved heat treatment for wafer direct bonding between semiconductors and magnetic garnets, Japanese Journal of Applied Physics, Vol. 36, No. 5, pp. 2784-2787, 1997.
• Hideki Yokoi, Tetsuya Mizumoto, Koichi Maru, Nobutaka Fuke, Yoshiyuki Naito. Direct bonding between InP substrate and magnetooptic waveguides, Japanese Journal of Applied Physics, Vol. 35, No. 7, pp. 4138-4140, 1996.
• Hideki Yokoi, Tetsuya Mizumoto, Koichi Maru, Yoshiyuki Naito. Direct bonding between laser wafers and magneto-optic waveguides, Technical Digest on Conference on Lasers and Electro-Optics Europe, pp. 342, 1996.
• Hideki Yokoi, Tetsuya Mizumoto, Yoshiyuki Naito. Optical propagation loss increase of (GdBi)₃Fe₅O₁₂ films caused by sputter etching, Japanese Journal of Applied Physics, Vol. 34, No. 9A, pp. 4817-4818, 1995.
• Hideki Yokoi, Tetsuya Mizumoto, Koichi Maru, Yoshiyuki Naito. Direct bonding between InP and rare earth iron garnet grown on Gd₃Ga₅O₁₂ substrate by liquid phase epitaxy, Electronics Letters, Vol. 31, No. 18, pp. 1612-1613, 1995.
• Hideki Yokoi, Tetsuya Mizumoto, Takehiro Ida, Kazuki Kozakai, Yoshiyuki Naito. Loss increase of (LuNdBi)₃(FeAl)₅O₁₂ films caused by sputter etching, Japanese Journal of Applied Physics, Vol. 33, No. 11, pp. 6355-6359, 1994.

国際会議発表 (査読有り)

• E. Ishida, K. Miura, Y. Shoji, H. Yokoi, T. Mizumoto, N. Nishiyama, S. Arai. Novel a-Si on garnet nonreciprocal phase shift optical isolator with TE mode operation, Optical Fiber Communication (OFC) 2017, Th3E.4, Mar. 2017.
• K. Miura, T. Hirasawa, J. Kang, Y, Shoji, Y. Okada, H. Yokoi, N. Nishiyama, S. Arai, T. Mizumoto. Optical isolator with amorphous silicon waveguide core on magneto-optical garnet, The 11th International Conference on Group IV Photonics (GFP 2014), Technical Digest GFP 2014, IEEE, ThB4, Aug. 2014.
• Y. Shoji, K. Miura, Y. Okada, H. Yokoi, T. Mizumoto. Design of Polarization-Independent Optical Isolator with Amorphous Silicon Waveguide, The 11th International Conference on Group IV Photonics (GFP 2014), GFP2014 Technical Digest, ThP14, Aug. 2014.

国際会議発表 (査読なし・不明)

• K. Miura, T. Hirasawa, J. Kang, Y. Shoji, Y. Okada, H. Yokoi, N. Nishiyama, S. Arai, Tetsuya Mizumoto. Amorphous Silicon Waveguide Optical Isolator on Ce:YIG Substrate, The 4th International Symposium on Photonics and Electronics Convergence, Nov. 2014.
• E. Ishida, K. Miura, Y. Shoji, H. Yokoi, T. Mizumoto. Design of Amorphous Silicon Waveguide for Polarization-Independent Optical Isolator, The 4th International Symposium on Photonics and Electronics Convergence, Nov. 2014.

国内会議発表 (査読なし・不明)

• 石田瑛一, 三浦謙悟, 平澤崇佳, 庄司雄哉, 姜晙炫, 岡田幸大, 横井秀樹, 西山伸彦, 荒井滋久, 水本哲弥. a-Si/Ce:YIG導波路型光アイソレータの実証と偏波無依存化の検討, 電子情報通信学会OPE研究会, 信学技報, 電子情報通信学会, vol. 114, no. 431, pp. 41-45, Jan. 2015.
• 岡田幸大, 田村大介, 庄司雄哉, 水本哲弥, 横井秀樹. a-Si磁気光学導波路における非相反移相量のバッファ層屈折率による影響, 2014年第75回応用物理学会秋季学術講演会, 第75回応用物理学会秋季学術講演会講演論文集, Sept. 2014.
• 三浦謙悟, 平澤崇佳, 姜 晙炫, 庄司雄哉, 岡田 幸大, 横井秀樹, 西山伸彦, 荒井滋久, 水本哲弥. 磁気光学結晶上a-Si:H導波路光アイソレータ, 2014年第75回応用物理学会秋季学術講演会, 第75回応用物理学会秋季学術講演会講演論文集, Sept. 2014.
• 石田瑛一, 庄司雄哉, 三浦謙悟, 横井秀樹, 水本哲弥. a-Si導波路を用いた偏波無依存型光アイソレータの設計, 2014年第75回応用物理学会秋季学術講演会, 第75回応用物理学会秋季学術講演会講演論文集, Sept. 2014.
• 岡田幸大, 田村大介, 庄司雄哉, 水本哲弥, 横井秀樹. a-Si磁気光学導波路を利用した非相反放射モード変換型光アイソレータにおけるバッファ層の影響, 電子情報通信学会OPE研究会, 電子情報通信学会技術報告書, Apr. 2013.
• 庄司, 横井, I-Wei Hsieh, Richard M. Osgood, JR, 水本. Si導波路上への磁性ガーネット直接接合を用いた干渉型光アイソレータ, 2008年秋季秋季第68回応用物理学会講演会, 2008年秋季秋季第68回応用物理学会講演会, 応用物理学会, 3a-ZN-2, Sept. 2008.
• 水本, 庄司, 武井, 櫻井, 横井. (招待講演) ダイレクトボンディング法を用いた導波路型光アイソレータの製作, 2008年秋季第69回応用物理学会講演会, 2008年秋季第69回応用物理学会講演会講演論文集, 応用物理学会, 3a-ZN-1, Sept. 2008.
• 水本, 庄司, 横井. (招待講演) 表面活性化接合によるSi導波路磁気光学光アイソレータの製作, 2008年電子情報通信学会エレクトロニクスソサィエティ大会, 2008年電子情報通信学会エレクトロニクスソサィエティ大会講演論文集, 電子情報通信学会, CT-1-4, Sept. 2008.
• 黒田, 横井, 庄司, 水本. Si導波層を有するTMモード動作光アイソレータにおける反射TEモード抑制, 2008年秋季秋季第68回応用物理学会講演会, 2008年秋季秋季第68回応用物理学会講演会, 応用物理学会, 3a-ZN-4, Sept. 2008.
• 水本, 庄司, 武井, 横井. (招待講演) シリコン導波路型光非相反デバイス, 電子情報通信学会第9回シリコン・フォトニクス研究会, 電子情報通信学会第9回シリコン・フォトニクス研究会講演論文集, 電子情報通信学会, SiPH2008-11, July 2008.

学位論文

• Study of Wafer Direct Bonding for Integration of Optical Isolator with GaInAsP/InP Laser Diode,  本文,  Doctor of Engineering,  東京工業大学,  2000/--/--, 
• 面内磁化膜を用いた導波路型光アイソレータに関する研究,  Master of Engineering,  東京工業大学,  1991/--/--, 

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