@article{CTT100639634,
  author = {T. Mizumoto and Y. Shoji and R. Takei},
  title = {Direct wafer bonding and its application to waveguide optical isolators (Invited Paper)},
  journal = {Materials},
  year = 2012,
}

@article{CTT100639633,
  author = {T. Mizumoto and R. Takei and Y. Shoji},
  title = {Waveguide optical isolators for integrated optics (Invited Paper)},
  journal = {IEEE Journal of Quantum Electronics},
  year = 2012,
}

@article{CTT100626054,
  author = {T. Mizumoto and R. Takei},
  title = {(Invited Paper) Application of Wafer Direct Bonding Technique to Optical Nonreciprocal Devices},
  journal = {IEEE Photonics Journal},
  year = 2011,
}

@article{CTT100626052,
  author = {R. Takei and K. Yoshida and T. Mizumoto},
  title = {Effect of wafer pre-cleaning and plasma irradiation to wafer surfaces for plasma-assisted surface activated bonding},
  journal = {Japanese Journal of Applied Physics},
  year = 2010,
}

@article{CTT100609139,
  author = {Ryouhei Takei and Tetsuya Mizumoto},
  title = {Design and simulation of silicon waveguide optical circulator employing nonreciprocal phase shift},
  journal = {Japanese Journal of Applied Physics},
  year = 2010,
}

@article{CTT100597617,
  author = {S.-H. Kim and R. Takei and Y. Shoji and T. Mizumoto},
  title = {Sigle-trench waveguide TE-TM mode converter},
  journal = {Optics Express},
  year = 2009,
}

@inproceedings{CTT100808803,
  author = {Yuichiro Kondo and Ryouhei Takei and Yuya Shoji and Tetsuya MIZUMOTO and 亀井利浩},
  title = {オンチップ光回路へ向けた微結晶シリコンの光学特性評価},
  booktitle = {},
  year = 2019,
}

@inproceedings{CTT100808805,
  author = {Yukinobu Nakazima and Yuya Shoji and Ryouhei Takei and Tetsuya MIZUMOTO and 亀井利浩},
  title = {微結晶シリコン光変調器における積層構造の設計},
  booktitle = {},
  year = 2019,
}

@inproceedings{CTT100808794,
  author = {Yuichiro Kondo and Kyosuke Matsumoto and Ryouhei Takei and Yuya Shoji and Tetsuya MIZUMOTO and 亀井利浩},
  title = {ポンプ・プローブ法を用いた微結晶シリコンのキャリア寿命測定},
  booktitle = {},
  year = 2018,
}

@inproceedings{CTT100735456,
  author = {Y. Maekawa and Ryouhei Takei and Y. Shoji and T. Mizumoto and T. Kamei},
  title = {Carrier lifetime measurement in a microcrystalline silicon wire waveguide},
  booktitle = {},
  year = 2016,
}

@inproceedings{CTT100682914,
  author = {Yuki Atsumi and Ryouhei Takei and Makoto Okano and Tomohiro Amemiya and Youichi Sakakibara and Masahiko Mori},
  title = {三次元Si 光集積回路に向けた層間偏波ビームスプリッタの設計},
  booktitle = {},
  year = 2015,
}

@inproceedings{CTT100662516,
  author = {Yuya Shirato and Ryouhei Takei and Tetsuya MIZUMOTO},
  title = {非相反移相効果を用いたシリコン導波路型光アイソレータに用いるTEモード遮断マッハツェンダ干渉計},
  booktitle = {2012年第73回応用物理学会秋季学術講演会講演論文集},
  year = 2012,
}

@inproceedings{CTT100639628,
  author = {Yuya Shirato and R. Takei and Y. Shoji and T. Mizumoto},
  title = {Multimode interference coupler with TE mode rejection characteristics in a silicon waveguide},
  booktitle = {Technical Digest of The 17th Microoptics Conference (MOC’11)},
  year = 2011,
}

@inproceedings{CTT100639611,
  author = {Yuya Shoji and Ryouhei Takei and Tetsuya MIZUMOTO},
  title = {磁気光学ガーネットの表面活性化接合と導波路形光アイソレータへの応用},
  booktitle = {2011年電子情報通信学会ソサイエティ大会講演論文集},
  year = 2011,
}

@inproceedings{CTT100639625,
  author = {Ryouhei Takei and K. Uchiho and Tetsuya MIZUMOTO},
  title = {Efficiency Improvement of SOI Waveguide Grating for Coupling to Surface Mounted Photodetector},
  booktitle = {Technical Digest of IEEE 8th International Conference on Group IV Photonics},
  year = 2011,
}

@inproceedings{CTT100639624,
  author = {T. Mizumoto and Y. Shoji and R. Takei},
  title = {Application of magneto-optical garnet to waveguide optical isolators for photonic integrated circuits},
  booktitle = {Digest of Moscow International Symposium on Magnetism},
  year = 2011,
}

@inproceedings{CTT100639610,
  author = {Yuya Shirato and Ryouhei Takei and Tetsuya MIZUMOTO},
  title = {非相反移相効果を用いたシリコン導波路型光アイソレータに用いるTEモード遮断多モード干渉結合器},
  booktitle = {2011年秋季第72回応用物理学会講演論文集},
  year = 2011,
}

@inproceedings{CTT100626050,
  author = {R. Takei and K. Uchiho and T. Mizumoto},
  title = {Polarization insensitive grating coupler for lightwave coupling between silicon nanophotonic waveguide and surface mounted photodetector},
  booktitle = {The 2011 Conference on Lasers and Electro-Optics (CLEO 2011) Technical Digest},
  year = 2011,
}

@inproceedings{CTT100626040,
  author = {Tetsuya Sugiyama and Ryouhei Takei and Tetsuya MIZUMOTO},
  title = {遺伝アルゴリズムを用いたSi細線MZI型フラットトップWDMデバイスの設計},
  booktitle = {2011年春季第58回応用物理学関係連合講演会講演論文集},
  year = 2011,
}

@inproceedings{CTT100626038,
  author = {unknown unknown and Ryouhei Takei and Tatsuya Wakai and Tetsuya MIZUMOTO},
  title = {Si導波路グレーティング結合器の放射特性},
  booktitle = {2011年春季第58回応用物理学関係連合講演会講演論文集},
  year = 2011,
}

@inproceedings{CTT100626042,
  author = {Ryouhei Takei and unknown unknown and Tatsuya Wakai and Tetsuya MIZUMOTO},
  title = {面実装光受光器との光波結合を目指したシリコン導波路グレーティング結合器},
  booktitle = {電子情報通信学会技術報告書},
  year = 2011,
}

@inproceedings{CTT100626049,
  author = {T. Mizumoto and R. Takei},
  title = {Application of wafer direct bonding technology to optical nonreciprocal devices},
  booktitle = {IEEE Photonics Society 2011 Winter Topical Meeting Technical Digest},
  year = 2011,
}

@inproceedings{CTT100626041,
  author = {Tetsuya MIZUMOTO and Ryouhei Takei and Kazumasa Sakurai},
  title = {表面活性化接合を用いた磁気光学導波路形光アイソレータ製作},
  booktitle = {日本学術振興会第147委員会研究会講演論文集},
  year = 2010,
}

@inproceedings{CTT100626048,
  author = {T. Mizumoto and R. Takei},
  title = {Optical nonreciprocal devices fabricated with direct bonding technology},
  booktitle = {International Conference on Fiber Optics and Photonics (Photonics 2010) Technical Digest},
  year = 2010,
}

@inproceedings{CTT100626044,
  author = {H. Hamada and R. Takei and T. Mizumoto},
  title = {A Design of Fiber-to-Waveguide Spot-Size Converter},
  booktitle = {The 16th Microoptics Conference (MOC’10) Technical Digest},
  year = 2010,
}

@inproceedings{CTT100626047,
  author = {T. Mizumoto and R. Takei},
  title = {SOI Waveguide Optical Nonreciprocal Devices with Directly Bonded Garnet},
  booktitle = {2010 MRS Fall meeting Technical Digest},
  year = 2010,
}

@inproceedings{CTT100626045,
  author = {K. Uchiho and R. Takei and T. Mizumoto},
  title = {Polarization-insensitive coupling of lightwave between a Si waveguide and a surface mounted PD},
  booktitle = {The 16th Microoptics Conference (MOC’10) Technical Digest},
  year = 2010,
}

@inproceedings{CTT100626037,
  author = {unknown unknown and Ryouhei Takei and Tetsuya MIZUMOTO},
  title = {Si導波路グレーティングにおける上部クラッド層依存性},
  booktitle = {秋季第71回応用物理学会講演会講演論文集},
  year = 2010,
}

@inproceedings{CTT100626036,
  author = {Kenichi Nakayama and Sang-Hun Kim and Ryouhei Takei and Tetsuya MIZUMOTO},
  title = {SiON導波路TE-TMモード変換器の設計},
  booktitle = {応用物理学会講演会講演論文集},
  year = 2010,
}

@inproceedings{CTT100609146,
  author = {Kotaro Uchiho and Ryouhei Takei and Tetsuya MIZUMOTO},
  title = {グレーティングによるSOI導波路と面実装PDの偏波無依存結合},
  booktitle = {2010年春季第57回応用物理学関係連合講演会講演論文集},
  year = 2010,
}

@inproceedings{CTT100597628,
  author = {unknown unknown and Ryouhei Takei and Tetsuya MIZUMOTO},
  title = {グレーティングによるSOI導波路と面実装PDの偏波無依存結合},
  booktitle = {電子情報通信学会技術報告書},
  year = 2009,
}

@inproceedings{CTT100597626,
  author = {Ryouhei Takei and unknown unknown and Tetsuya MIZUMOTO},
  title = {偏波無依存シリコン導波路グレーティング結合器の設計},
  booktitle = {電子情報通信学会 第12回シリコンフォトニクス研究会講演論文集},
  year = 2009,
}

@inproceedings{CTT100597624,
  author = {S.-H. Kim and R. Takei and T. Mizumoto},
  title = {Fabrication tolerant single-trench type waveguide mode converter},
  booktitle = {Technical Digest of the 15 th Microoptics Conference (MOC’09)},
  year = 2009,
}

@inproceedings{CTT100597623,
  author = {S.-H. Kim and R. Takei and Y. Shoji and T. Mizumoto},
  title = {Efficient TE-TM mode conversion in a GaInAsP single-trench waveguide},
  booktitle = {Technical Digest of 2009 IEEE Photonics Society Annual Meeting},
  year = 2009,
}

@inproceedings{CTT100597631,
  author = {S.-H. Kim and R. Takei and T. Mizumoto},
  title = {Single-trench GaInAsP/InP waveguide optical mode converter: Experiment},
  booktitle = {2009年秋季第69回応用物理学会講演会講演論文集},
  year = 2009,
}

@inproceedings{CTT100597621,
  author = {R. Takei and Y. Shoji and T. Mizumoto},
  title = {Silicon waveguide optical circulator employing nonreciprocal phase shift},
  booktitle = {Proceedings of 2009 6th IEEE International Conference on Group IV Photonics},
  year = 2009,
}

@inproceedings{CTT100597633,
  author = {Ryouhei Takei and unknown unknown and Tetsuya MIZUMOTO},
  title = {偏波無依存シリコン導波路グレーティング結合器の設計},
  booktitle = {2009年秋季第69回応用物理学会講演会講演論文集},
  year = 2009,
}

@inproceedings{CTT100582275,
  author = {Kouhei Yoshida and Ryouhei Takei and Tetsuya MIZUMOTO},
  title = {表面活性化接合におけるプラズマ照射時間と表面粗さの関係},
  booktitle = {2009年春季第56回応用物理学関係連合講演会講演論文集},
  year = 2009,
}

@inproceedings{CTT100582276,
  author = {S.-H. Kim and R. Takei and T. Mizumoto},
  title = {Fabrication tolerant single-trench GaInAsP/InP waveguide mode converter},
  booktitle = {2009年春季第56回応用物理学関係連合講演会講演論文集},
  year = 2009,
}

@inproceedings{CTT100582274,
  author = {Tetsuya MIZUMOTO and Ryouhei Takei and Kenji Abe and Yuya Shoji},
  title = {(招待講演) 導波路型光アイソレータ},
  booktitle = {電子情報通信学会総合全国大会講演論文集},
  year = 2009,
}

@inproceedings{CTT100582273,
  author = {S.-H. Kim and R. Takei and T. Mizumoto},
  title = {GaInAsP/InP single-trench type TE-TM mode converter},
  booktitle = {},
  year = 2009,
}

@inproceedings{CTT100582272,
  author = {Ryouhei Takei and Yusuke Sasaki and Ken Kirita and Kouhei Yoshida and Tetsuya MIZUMOTO},
  title = {シリコン導波路型光サーキュレータの提案},
  booktitle = {電子情報通信学会技術報告書},
  year = 2008,
}

@inproceedings{CTT100582263,
  author = {T. Mizumoto and Y. Shoji and R. Takei and K. Sakurai},
  title = {(Invited) Waveguide optical isolators for integrated optics},
  booktitle = {Asia Optical Fiber Communications & Optoelectronic Exposition & Conference (AOE 2008) Technical Digest},
  year = 2008,
}

@inproceedings{CTT100566102,
  author = {T.Mizumoto and R. Takei and Y. Shoji and K. Sakurai},
  title = {(Invited) Low temperature direct bonding and its application to photonic devices},
  booktitle = {Conference Abstract of The 214th Meeting of Electrochemical Society},
  year = 2008,
}

@inproceedings{CTT100566094,
  author = {Tetsuya MIZUMOTO and Yuya Shoji and Ryouhei Takei and Kazumasa Sakurai and HIDEKI YOKOI},
  title = {(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},
  booktitle = {2008年秋季第69回応用物理学会講演会講演論文集},
  year = 2008,
}

@inproceedings{CTT100566100,
  author = {Ryouhei Takei and Yuya Shoji and Tetsuya MIZUMOTO},
  title = {Si導波路光サーキュレータの提案},
  booktitle = {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},
  year = 2008,
}

@inproceedings{CTT100566096,
  author = {Ryouhei Takei and Yuya Shoji and Tetsuya MIZUMOTO},
  title = {非相反移相効果を用いたSi細線導波路型光サーキュレータの提案},
  booktitle = {2008年秋季秋季第68回応用物理学会講演会講演論文集},
  year = 2008,
}

@inproceedings{CTT100566101,
  author = {Tetsuya MIZUMOTO and Yuya Shoji and Ryouhei Takei and HIDEKI YOKOI},
  title = {(招待講演) シリコン導波路型光非相反デバイス},
  booktitle = {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},
  year = 2008,
}

@inproceedings{CTT100562060,
  author = {T.Mizumoto and Y.Shoji and R.Takei},
  title = {(Invited) Waveguide optical isolators fabricated by direct bonding},
  booktitle = {Indium Phosphide and Related Materials (IPRM'08) Technical Digest},
  year = 2008,
}

@inproceedings{CTT100549590,
  author = {R.Takei and K.Abe and Tetsuya MIZUMOTO},
  title = {Room-temperature direct bonding for integrated optical devices},
  booktitle = {2007 IEEE LEOS Annual Meeting Technical Digest},
  year = 2007,
}

@inproceedings{CTT100549812,
  author = {Ryouhei Takei and Tetsuya MIZUMOTO},
  title = {酸素プラズマによる表面処理を用いたInP-Si常温ダイレクトボンディング},
  booktitle = {2007年秋季第68回応用物理学会講演会講演概要},
  year = 2007,
}

@inproceedings{CTT100549811,
  author = {Ryouhei Takei and Kenji Abe and Tetsuya MIZUMOTO},
  title = {非相反移相型光アイソレータのためのGaInAsP-Ce:YIGダイレクトボンディング},
  booktitle = {2007年秋季第68回応用物理学会講演会講演概要},
  year = 2007,
}