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Kenji Toyoda

豊田　健二

Center for Quantum Information and Quantum Biology, Professor

Research History

  • 2019/08 - Present, Osaka University, Graduate School of Engineering Science
  • 2019/04 - Present, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, Quantum Information and Quantum Biology Division (QIQB), Specially Appointed Associate Professor
  • 2007/04 - 2019/03, Osaka University, Graduate School of Engineering Science
  • 1999/04 - 2007/03, Osaka University, Graduate School of Engineering Science

Research Areas

  • Natural sciences, Semiconductors, optical and atomic physics

Papers

  • Site-dependent control of polaritons in the Jaynes-Cummings-Hubbard model with trapped ions, Silpa Muralidharan,Kenji Toyoda, APPLIED PHYSICS B-LASERS AND OPTICS, SPRINGER HEIDELBERG, Vol. 129, No. 7, 2023/07
  • Coherent control of a local phonon in trapped ions using dynamical decoupling, Ryutaro Ohira,Shota Kume,Kenji Toyoda, Physical Review A, American Physical Society (APS), Vol. 106, No. 4, 2022/10/04
  • Evaluating states in trapped ions with local correlation between internal and motional degrees of freedom, Silpa Muralidharan,Ryutaro Ohira,Shota Kume,Kenji Toyoda, Physical Review A, American Physical Society (APS), Vol. 104, No. 6, p. 062410-1-062410-11, 2021/12/06
  • Polariton blockade in the Jaynes–Cummings–Hubbard model with trapped ions, R Ohira,S Kume,H Takahashi,K Toyoda, Quantum Science and Technology, IOP Publishing, Vol. 6, No. 2, p. 024015-1-024015-10, 2021/03/31
  • Blockade of phonon hopping in trapped ions in the presence of multiple local phonons, Ryutaro Ohira,Shota Kume,Kyoichi Takayama,Silpa Muralidharan,Hiroki Takahashi,Kenji Toyoda, PHYSICAL REVIEW A, AMER PHYSICAL SOC, Vol. 103, No. 1, p. 012612-1-012612-6, 2021/01/29
  • Quantum Walks of a Phonon in Trapped Ions, Masaya Tamura,Takashi Mukaiyama,Kenji Toyoda, Physical Review Letters, American Physical Society (APS), Vol. 124, No. 20, p. 200501-1-200501-6, 2020/05/19
  • Breaking rotational symmetry in a trapped-ion quantum tunneling rotor, Ryutaro Ohira,Takashi Mukaiyama,Kenji Toyoda, PHYSICAL REVIEW A, AMER PHYSICAL SOC, Vol. 101, No. 2, p. 022106-1-022106-7, 2020/02
  • Phonon-number-resolving detection of multiple local phonon modes in trapped ions, Ohira Ryutaro,Mukaiyama Takashi,Toyoda Kenji, PHYSICAL REVIEW A, American Physical Society (APS), Vol. 100, No. 6, p. 060301-1-060301-5, 2019/12
  • Frequency Measurement System of Optical Clocks Without a Flywheel Oscillator, Miho Fujieda,Tetsuya Ido,Hidekazu Hachisu,Tadahiro Gotoh,Hiroshi Takiguchi,Kazuhiro Hayasaka,Kenji Toyoda,Kenji Yonegaki,Utako Tanaka,Shinji Urabe, IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, Vol. 63, No. 12, p. 2231-2236, 2016/12
  • 22pBK-5 Local Manipulation in the Jaynes-Cummings-Hubbard Model Using Individual-access Optical Beams, Murakami Kei,Hiji Ryoto,Toyoda Kenji,Urabe Shinji, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 71, p. 830-830, 2016
  • Quantum simulation with trapped ions—Experimental realization of the jaynes-cummings-hubbard model—, Shinji Urabe,Kenji Toyoda,Atsushi Noguchi, Lecture Notes in Physics, Springer Verlag, Vol. 911, p. 325-340, 2016
  • Hong-Ou-Mandel interference of two phonons in trapped ions, Kenji Toyoda,Ryoto Hiji,Atsushi Noguchil,Shinji Urabe, NATURE, NATURE PUBLISHING GROUP, Vol. 527, No. 7576, p. 74-77, 2015/11
  • 24pAG-2 Measurement of the 4s^2S_<1/2>-3d^2D_<5/2> transition frequency of a ^<40>Ca^+ ion using two-way carrier-phase satellite link, Yonegaki Kenji,Toyoda Kenji,Tanaka Utako,Urabe Shinji,Fujieda Miho,Hayasaka Kazuhiro,Ido Tetsuya, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 70, p. 774-774, 2015
  • Aharonov-Bohm effect in the tunnelling of a quantum rotor in a linear Paul trap, Atsushi Noguchi,Yutaka Shikano,Kenji Toyoda,Shinji Urabe, NATURE COMMUNICATIONS, NATURE PUBLISHING GROUP, Vol. 5, p. 3868-1-3868-6, 2014/05
  • Experimental Realization of a Quantum Phase Transition of Polaritonic Excitations, Kenji Toyoda,Yuta Matsuno,Atsushi Noguchi,Shinsuke Haze,Shinji Urabe, PHYSICAL REVIEW LETTERS, AMER PHYSICAL SOC, Vol. 111, No. 16, 2013/10
  • Realization of holonomic single-qubit operations, K. Toyoda,K. Uchida,A. Noguchi,S. Haze,S. Urabe, PHYSICAL REVIEW A, AMER PHYSICAL SOC, Vol. 87, No. 5, 2013/05
  • Quantum Simulation of the Jaynes-Cummings-Hubbard Model Using Trapped Ions, K. Toyoda,Y. Matsuno,A. Noguchi,S. Haze,S. Urabe, 2013 CONFERENCE ON LASERS AND ELECTRO-OPTICS PACIFIC RIM (CLEO-PR), IEEE, 2013
  • Generation of Dicke States with Phonon-Mediated Multilevel Stimulated Raman Adiabatic Passage, Atsushi Noguchi,Kenji Toyoda,Shinji Urabe, PHYSICAL REVIEW LETTERS, AMER PHYSICAL SOC, Vol. 109, No. 26, 2012/12
  • Observation of phonon hopping in radial vibrational modes of trapped ions, Shinsuke Haze,Yusuke Tateishi,Atsushi Noguchi,Kenji Toyoda,Shinji Urabe, PHYSICAL REVIEW A, AMER PHYSICAL SOC, Vol. 85, No. 3, 2012/03
  • Generation of a Decoherence-Free Entangled State Using a Radio-Frequency Dressed State, Atsushi Noguchi,Shinsuke Haze,Kenji Toyoda,Shinji Urabe, PHYSICAL REVIEW LETTERS, AMER PHYSICAL SOC, Vol. 108, No. 6, 2012/02
  • Realization of Fast Rabi Oscillations in Radio Frequency Magnetic Resonance of Ground Zeeman States of Ca-40(+), Takao Ohno,Kensuke Uchida,Shinsuke Haze,Kenji Toyoda,Shinji Urabe, JAPANESE JOURNAL OF APPLIED PHYSICS, JAPAN SOC APPLIED PHYSICS, Vol. 50, No. 12, 2011/12
  • Phase-locked light sources with low-phase noise for manipulating terahertz-separated metastable states in 40Ca+, S. Haze,Y. Senokuchi,R. Yamazaki,K. Toyoda,S. Urabe, Applied Physics B, Springer Science and Business Media LLC, Vol. 101, No. 3, p. 547-552, 2010/11
  • Manipulation between the Metastable D States of A Single ^<40>Ca^+, HAZE Shinsuke,TOYODA Kenji,URABE Shinji, rle, The Laser Society of Japan, Vol. 38, No. 7, p. 512-516, 2010/07/15
  • Quantum gate using qubit states separated by terahertz, Kenji Toyoda,Shinsuke Haze,Rekishu Yamazaki,Shinji Urabe, PHYSICAL REVIEW A, AMER PHYSICAL SOC, Vol. 81, No. 3, 2010/03
  • Measurement and compensation of optical Stark shifts for manipulating the terahertz-separated qubit in Ca-40(+), Shinsuke Haze,Rekishu Yamazaki,Kenji Toyoda,Shinji Urabe, PHYSICAL REVIEW A, AMER PHYSICAL SOC, Vol. 80, No. 5, 2009/11
  • Experimental study of the coherence of a terahertz-separated metastable-state qubit inC40a+, K. Toyoda,H. Shiibara,S. Haze,R. Yamazaki,S. Urabe, Physical Review A, American Physical Society (APS), Vol. 79, No. 2, 2009/02/18
  • Optimum parameters for sideband cooling of a 40Ca+ ion, H. Sawamura,K. Kanda,R. Yamazaki,K. Toyoda,S. Urabe, Applied Physics B, Springer Science and Business Media LLC, Vol. 93, No. 2-3, p. 381-388, 2008/11
  • Robust generation of superposition states, Rekishu Yamazaki,Ken-ichi Kanda,Fumihiko Inoue,Kenji Toyoda,Shinji Urabe, PHYSICAL REVIEW A, AMER PHYSICAL SOC, Vol. 78, No. 2, 2008/08
  • Stimulated Raman spectroscopy and the determination of the D-fine-structure level separation in (40)Ca(+), Rekishu Yamazaki,Hideyuki Sawamura,Kenji Toyoda,Shinji Urabe, PHYSICAL REVIEW A, AMER PHYSICAL SOC, Vol. 77, No. 1, 2008/01
  • Phase-locked laser system for a metastable states qubit in Ca-40(+), Rekishu Yamazaki,Toshiki Iwai,Kenji Toyoda,Shinji Urabe, OPTICS LETTERS, OPTICAL SOC AMER, Vol. 32, No. 15, p. 2085-2087, 2007/08
  • Optimization of Doppler cooling of a single Ca-40(+) ion, Hideyuki Sawamura,Kenji Toyoda,Shinji Urabe, JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, INST PURE APPLIED PHYSICS, Vol. 46, No. 4A, p. 1713-1716, 2007/04
  • Sideband-resolved spectroscopy on the 42S1/2-3 2D5/2 transition in single calcium ions by use of fundamental waves of diode lasers, Kenji Toyoda,Hideyuki Naka,Hidenori Kitamura,Hideyuki Sawamura,Shinji Urabe, Optics Letters, Vol. 29, No. 11, p. 1270-1272, 2004/06/01
  • Study for a 43Ca+ optical frequency standard, K. Matsubara,K. Toyoda,Y. Li,U. Tanaka,S. Uetake,K. Hayasaka,S. Urabe,M. Hosokawa, CPEM Digest (Conference on Precision Electromagnetic Measurements), p. 430-431, 2004
  • A Compact 209-nm Deep UV cw Light Source for Spectroscopy Using Frequency Doubling of a Diode Laser, Nishimura Tomoo,Toyoda Kenji,Watanabe Masayoshi,Urabe Shinji, Jpn J Appl Phys, INSTITUTE OF PURE AND APPLIED PHYSICS, Vol. 42, No. 8, p. 5079-5081, 2003/08/15
  • Nonlinear Resonances of Laser Cooled Ions in a Linear Paul Trap due to the Anharmonicity of the Trap Potential, MORI Toshihiko,TOYODA Kenji,WATANABE Masayoshi,URABE Shinji, The Review of laser engineering, Vol. 31, No. 7, p. 477-481, 2003/07/15
  • Stabilization of a 729 nm Laser Diode for High-Resolution Spectroscopy of Calcium Ions, Toyoda Kenji,Kawasaki Hiroshi,Ikeda Tomohiko,Watanabe Masayoshi,Urabe Shinji, Jpn J Appl Phys, INSTITUTE OF PURE AND APPLIED PHYSICS, Vol. 42, No. 3, p. 1268-1271, 2003/03/15
  • Generation of Bose-Einstein condensates in a well isolated low-pressure vacuum chamber, K Toyoda,Y Takahashi,T Yabuzaki, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, PHYSICAL SOC JAPAN, Vol. 71, No. 6, p. 1445-1449, 2002/06/06
  • Quantum nondemolition measurement of spin via the paramagnetic Faraday rotation, Y Takahashi,K Honda,N Tanaka,K Toyoda,K Ishikawa,T Yabuzaki, PHYSICAL REVIEW A, AMERICAN PHYSICAL SOC, Vol. 60, No. 6, p. 4974-4979, 1999/12/01
  • Observation of Larmor spin precession of laser-cooled Rb atoms via paramagnetic Faraday rotation, T Isayama,Y Takahashi,N Tanaka,K Toyoda,K Ishikawa,T Yabuzaki, PHYSICAL REVIEW A, AMERICAN PHYSICAL SOC, Vol. 59, No. 6, p. 4836-4839, 1999/06/01
  • Observation of spin echoes of laser-cooled Rb atoms, Y Takahashi,T Shimizu,N Tanaka,K Honda,K Toyoda,T Yabuzaki, PHYSICAL REVIEW A, AMERICAN PHYSICAL SOC, Vol. 59, No. 5, p. 3761-3765, 1999/05/01
  • Optical free-induction decay of laser-cooled Rb-85, K Toyoda,Y Takahashi,K Ishikawa,T Yabuzaki, PHYSICAL REVIEW A, AMERICAN PHYSICAL SOC, Vol. 56, No. 2, p. 1564-1568, 1997/08/01

Misc.

  • イオントラップ量子コンピュータの研究動向と課題, 豊田健二, 研究開発リーダー, No. 207, 2023/06
  • 冷却イオンによる量子シミュレーション, 豊田健二, 応用物理, Vol. 89, No. 11, p. 632-637, 2020/11
  • Observation of Two-phonon Interference Using Trapped Ions, Kenji Toyoda, Japanese Journal of Optics, Vol. 47, No. 7, p. 289-294, 2018/07
  • 10pAW-3 Quantum nondemolition mesurement of the phonon state with trapped ions, Noguchi A.,Toyoda K.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 69, No. 2, p. 106-106, 2014/08/22
  • Generation of Quantum Entanglement with Trapped Ions, Noguchi Atsushi,Toyoda Kenji,Urabe Shinji, The Physical Society of Japan (JPS), Vol. 69, No. 5, p. 308-313, 2014/05
  • 29pCF-10 Generation of multipartite entanglement of ions using a Hz-level ultrastable laser, Asama Kazuki,Kawano Yoshihisa,Noguchi Atsushi,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 69, No. 1, p. 207-207, 2014/03/05
  • 29pCF-11 Aharonov-Bohm effect with the Quantum Rotor in the Linear Paul Trap, Noguchi Atsushi,Shikano Yutaka,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 69, No. 1, p. 207-207, 2014/03/05
  • 29pCF-9 2フォノンの量子干渉の観測(29pCF 量子エレクトロニクス(冷却原子・イオントラップ・量子情報・分光),領域1(原子分子・量子エレクトロニクス・放射線)), 比治 諒人,野口 篤史,豊田 健二,占部 伸二, 日本物理学会講演概要集, 一般社団法人日本物理学会, Vol. 69, No. 1, p. 207-207, 2014/03/05
  • Quantum Rotor in the Linear Paul Trap, Noguchi Atsushi,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 68, No. 2, p. 172-172, 2013/08/26
  • 26aEE-4 Generation of Dicke States with Phonon-Mediated Multilevel Stimulated Raman Adiabatic Passage, Noguchi Atsushi,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 68, No. 1, p. 187-187, 2013/03/26
  • 26aEE-5 Quantum simulation experiment of the Jaynes-Cummings-Hubbard model with ^<40>Ca^+, Matsuno Yuta,Noguchi Atsushi,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 68, No. 1, p. 187-187, 2013/03/26
  • 20pAL-2 Development phase-locked light sources for manipulating terahertz-separated metastable D-state in Ca^+, Tanihara K.,Fujiwara T.,Toyoda K.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 67, No. 2, p. 171-171, 2012/08/24
  • 20pAL-3 Generation of Dicke states using 3 ions, Asama Kazuki,Ohno Takao,Noguchi Atsushi,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 67, No. 2, p. 171-171, 2012/08/24
  • 24aBE-12 Toward the generation of the decoherence-free spin squeeze state using trapped ions, Noguchi Atsushi,Haze Shinsuke,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 67, No. 1, p. 184-184, 2012/03/05
  • 27pSA-3 Quantum simulation experiment of the Jaynes-Cummings-Hubbard model with ^<40>Ca^+, Tateishi Yusuke,Haze Shinsuke,Noguchi Atsushi,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 67, No. 1, p. 244-244, 2012/03/05
  • 23pEE-8 Manipulation of radial modes of ^<40>Ca^+ towards quantum simulation of the Jaynes-Cummings-Hubbard model, Haze Shinsuke,Tateishi Yusuke,Noguchi Atushi,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 66, No. 2, p. 178-178, 2011/08/24
  • 23pEE-9 Demonstration of geometric phase gates and entangled state using stimulated raman adiabatic passage with ^<40>Ca^+, Noguchi Atsushi,Uchida Kensuke,Ohno Takao,Haze Shinsuke,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 66, No. 2, p. 178-178, 2011/08/24
  • 23oEE-7 Optimization of Sympathetic Cooling of ^<115>In^+ by ^<40>Ca^+ for <115>In^+ Optical Frequency Standard, Kanda T.,Kitanaka T.,Tamura K.,Toyoda K.,Tanaka U.,Hayasaka K.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 66, No. 2, p. 178-178, 2011/08/24
  • 28aRD-11 One-qubit Manipulation by Stimulated Raman Adiabatic passage Between Zeeman levels in ^<40>Ca^+, Uchida K.,Tateishi Y.,Watanabe T.,Wada N.,Haze S.,Toyoda K.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 66, No. 1, p. 226-226, 2011/03/03
  • 28aRD-9 Sideband Cooling of In^+ by Ca^+ for In^+ Optical Frequency Standard, Tamura K.,Kanda T.,Kitanaka T.,Toyoda K.,Tanaka U.,Hayasaka K.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 66, No. 1, p. 226-226, 2011/03/03
  • 28aRD-10 Quantum simulation of phase transition of Ising spin models using ^<40>Ca^+, Haze Shinsuke,Wada Naohisa,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 66, No. 1, p. 226-226, 2011/03/03
  • 25aRF-12 Quantum state manipulation using a RF transition between Zeeman sublevels of the ground-state 4S_<1/2> of ^<40>Ca^+, Ohno T.,Uchida K.,Haze S.,Toyoda K.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 65, No. 2, p. 144-144, 2010/08/18
  • 25aRF-10 Dicke state generation using rapid adiabatic passage (II), Watanabe Tsuyoshi,Kimura Tomoya,Nomura Shinji,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 65, No. 2, p. 143-143, 2010/08/18
  • 25aRF-3 Sympathetic Cooling of In^+ by Ca^+ for In^+ Optical Frequency Standard, Tamura K.,Kono S.,Yoshidome Y.,Toyoda K.,Tanaka U.,Hayasaka K.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 65, No. 2, p. 141-141, 2010/08/18
  • 25aRF-11 Generation of spin-spin interactions of ^<40>Ca^+ by a bichromatic light excitation, Wada Naohisa,Haze Shinsuke,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 65, No. 2, p. 143-143, 2010/08/18
  • 21pTD-6 Dicke state generation using rapid adiabatic passage, Kimura T.,Nomura S.,Toyoda K.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 65, No. 1, p. 195-195, 2010/03/01
  • 26aZF-12 Quantum gate experiment by using terahertz qubit of Ca^+ I, Senokuchi Y.,Kimura T.,Nomura S.,Haze S.,Toyoda K.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 64, No. 2, p. 72-72, 2009/08/18
  • 26aZF-8 Excitation of motional sideband of the electric quadrupole transition between S_<1/2> and D_<5/2> states of cooled single Ca ion by using rapid adiabatic passage, Nomura Shinji,Senokuchi Yuta,Kimura Tomoya,Haze Shinsuke,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 64, No. 2, p. 71-71, 2009/08/18
  • 26aZF-13 Measurement and compensation of optical Stark shifts for manipulating the terahertz-separated qubit in ^<40>Ca^+, Haze S.,Yamazaki R.,Toyoda K.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 64, No. 2, p. 72-72, 2009/08/18
  • 28aSD-12 Coherent excitation of teraherz qubit in Ca^+, Haze S.,Inoue F.,Yamazaki R.,Toyoda K.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 64, No. 1, p. 151-151, 2009/03/03
  • 28aSD-13 Generation of Superposition states with Rapid Adiabatic Passage, Inoue F.,Nomura S.,Yamazaki R.,Toyoda K.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 64, No. 1, p. 151-151, 2009/03/03
  • 21aZA-5 Ca^+のTHzキュービット励起のための高コヒーレント光源と励起実験(21aZA 量子エレクトロニクス(原子,分子,イオン,微粒子のトラップ),領域1(原子・分子,量子エレクトロニクス,放射線物理)), 土師慎祐,井上文彦,山崎歴舟,豊田健二,占部伸二, 日本物理学会講演概要集, 社団法人日本物理学会, Vol. 63, No. 2, 2008/08/25
  • 26aQD-13 Cooling of two trapped ions in a linear trap to the ground motional state, Kitaike R.,Hata Y.,Kanda K.,Toyoda K.,Tanaka U.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 63, No. 1, p. 198-198, 2008/02/29
  • 26aQD-12 三準位系イオンのサイドバンド冷却の最適化(量子エレクトロニクス(原子の冷却・トラップ,イオントラップ),領域1,原子・分子,量子エレクトロニクス,放射線物理), 澤村英幸,神田憲一,山崎歴舟,豊田健二,占部伸二, 日本物理学会講演概要集, 社団法人日本物理学会, Vol. 63, No. 1, 2008/02/29
  • 26aQD-11 Realization of robust excitation of the electric quadrupole transition between S_<1/2> and D_<5/2> states of single Ca ions by using rapid adiabatic passage., Kanda Ken-ichi,Inoue Fumihiko,Yamazaki Rekishu,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 63, No. 1, p. 198-198, 2008/02/29
  • 高速断熱通過を用いたCa<sup>+</sup>イオンのS<sub>1/2</sub>-D<sub>5/2</sub>間電気四重極子遷移のロバストな励起の実現, 神田憲一,井上文彦,山崎歴舟,豊谷健二,豊田健二,占部伸二,占部伸二, 日本物理学会講演概要集, Vol. 63, No. 1, 2008
  • 24aRH-11 単一Caイオンの基底状態のゼーマン遷移の観測(量子エレクトロニクス(量子光学,イオン・原子の冷却・トラップ),領域1,原子・分子,量子エレクトロニクス,放射線物理), 澤村英幸,神田憲一,山崎歴舟,豊田健二,占部伸二, 日本物理学会講演概要集, 社団法人日本物理学会, Vol. 62, No. 2, 2007/08/21
  • 24aRH-10 Coherent manipulation of single Calcium ions Quantum states using the D_<3/2>-D_<5/2> stimulated Hainan transition, Shiibara Hideyuki,Haze Shinsuke,Yamazaki Rekishu,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 62, No. 2, p. 199-199, 2007/08/21
  • 24aRH-9 High-Resolution Raman Spectroscopy of D_<3/2>-D_<5/2> Transition in a Calcium Ion with a Phase-locked Laser System, Yamazaki Rekishu,Sawamura Hideyuki,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 62, No. 2, p. 199-199, 2007/08/21
  • 18pXH-2 Sideband cooling of two trapped ions in a linear trap, Kitaike R.,Michigami A.,Oikaze H.,Toyoda K.,Tanaka U.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 62, No. 1, p. 123-123, 2007/02/28
  • 18pXH-5 Coherent manipulation of quantum states by the excitation of the electric quadrupole transition of single Ca ions for the realization of quantum gates, Kanda Ken-ichi,Oikaze Hirotoshi,Sawamura Hideyuki,Yamazaki Rekishu,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 62, No. 1, p. 124-124, 2007/02/28
  • 18pXH-3 Towards realization of a large scale Ion trap: Characterization of a planar trap, Tanaka U.,Brown K.R.,Clark R.J.,Labaziewicz J.,Leibrandt D.R.,Toyoda K.,Yamazaki R.,Chuang I.L.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 62, No. 1, p. 124-124, 2007/02/28
  • 18pXH-4 Precision Spectroscopy between D_<3/2> and D_<5/2> Metastable States in a Single Calcium Ion using a Stimulated Raman Transition, Yamazaki Rekishu,Iwai Toshiki,Shiibara Hideyuki,Wasamura Hideyuki,Hayasaka Kazuhiro,Tanaka Utako,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 62, No. 1, p. 124-124, 2007/02/28
  • CaイオンのD<sub>3/2</sub>-D<sub>5/2</sub>準位間誘導ラマン遷移を用いたコヒーレント状態制御, 椎原秀行,土師慎祐,山崎歴舟,豊田健二,豊田健二,占部伸二,占部伸二, 日本物理学会講演概要集, Vol. 62, No. 2, 2007
  • 位相ロックされたレーザー光源によるCaイオンのD<sub>3/2</sub>-D<sub>5/2</sub>遷移の精密ラマン分光, 山崎歴舟,澤村英幸,豊田健二,豊田健二,占部伸二,占部伸二, 日本物理学会講演概要集, Vol. 62, No. 2, 2007
  • 24pWD-9 Observation of the sideband spectrum of two trapped ions in a linear trap, Michigami A.,Oikaze H.,Toyoda K.,Tanaka U.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 61, No. 2, p. 107-107, 2006/08/18
  • 24pWD-10 Observation of stimulated-Raman transition between D_<3/2> and D_<5/2> of a single Ca^+ ion, Iwai Toshiki,Shiibara Hideyuki,Sawamura Hideyuki,Hayasaka Kazuhiro,Tanaka Utako,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 61, No. 2, p. 107-107, 2006/08/18
  • 24pWD-11 Motional ground-state cooling of single Ca^+ ions and analysis of the cooling process, Sawamura Hideyuki,Oikaze Hirotoshi,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 61, No. 2, p. 108-108, 2006/08/18
  • 27pTA-14 Motional ground-state cooling of single Ca^+ ions III, Sawamura Hideyuki,Okano Toshiki,Oikaze Hirotoshi,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 61, No. 1, p. 144-144, 2006/03/04
  • 20aWA-3 Motional ground state cooling of single Ca^+ ions II, Okano T.,Sawamura H.,Toyoda K.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 60, No. 2, p. 59-59, 2005/08/19
  • 26pYE-15 Motional ground state cooling of single Ca^+ ions I, Sawamura Hideyuki,Matsushima Taisuke,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 60, No. 1, p. 169-169, 2005/03/04
  • 13pTF-9 Minimization of micromotion of single Ca^+ ions for generation of the motional ground state, Sawamura Hideyuki,Matsushima Taisuke,Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 59, No. 2, p. 114-114, 2004/08/25
  • 28aXG-8 Cooling of a single Ca^+ ion and measurement of its quantum states for realization of the oscillatory ground state, Kitamura H.,Sawamura H.,Toyoda K.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 59, No. 1, p. 166-166, 2004/03/03
  • Quantum State Manipulation of Laser-Cooled Ions, TOYODA Kenji,URABE Shinji, Japanese journal of optics, Vol. 32, No. 4, p. 245-252, 2003/04/10
  • Laser cooling of ions and quantum information processing, Toyoda Kenji,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 58, No. 1, p. 157-157, 2003/03/06
  • 26pWM-2 Observation of motional sidebands of single calcium ions, Toyoda K.,Ikeda T.,Watanabe M.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 57, No. 1, p. 153-153, 2002/03/01
  • Magnetic resonance imaging of Bose-Einstein condensates, K Toyoda,Y Takahashi,T Yabuzaki, APPLIED PHYSICS B-LASERS AND OPTICS, SPRINGER-VERLAG, Vol. 74, No. 2, p. 115-120, 2002/02
  • Laser cooling of calcium ions by using ultraviolet laser diodes : Induction of shelving transitions, Toyoda K.,Miura A.,Ikeda T.,Hayasaka K.,Watanabe M.,Urabe S., Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 56, No. 2, p. 74-74, 2001/09/03
  • Trapping of ions of Ca isotopes with small abundances, Toyoda Kenji,Kataoka Hiroshi,Watanabe Masayoshi,Urabe Shinji, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 55, No. 1, p. 121-121, 2000/03/10
  • Laser Cooling and Bose-Einstein Condensation. Bose-Einstein Condensation in Atomic Gases., TOYODA Kenji,TAKAHASHI Yoshiro,YABUZAKI Tsutomu, rle, The Laser Society of Japan, Vol. 28, No. 3, p. 141-146, 2000
  • 6a-Q-5 magneto-optical-trapping of Yb atom, Honda K.,Tanaka N.,Shimizu T.,Toyoda K.,Ishikawa K.,Takahashi Y.,Yabuzaki T., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 52.2.2, 1997
  • 31a-YA-3 Laser cooling of Yb atoms order to detect the permanent electric dipole momentII, Fujimoto M,Honda K,Tanaka N,Shimizu T,Toyoda K,Ishikawa K,Takahashi Y,Yabuzaki T, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 52.1.2, No. 1 Pt 2, 1997
  • 28a-YA-2 Quantum Nondemolition Measurement of Spin Through Faraday RotationII, Takahashi Y,Tanaka N,Honda K,Toyoda K,Ishikawa K,Yabuzaki T, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 52.1.2, No. 1 Pt 2, 1997
  • Laser cooling of Yb atoms in order to detect the permanent electric dipole moment, Fujimoto M.,Shimizu T.,Isayama T.,Toyoda K.,Ishikawa K.,Takahashi Y.,Yabuzaki T., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 1996.2, No. Autumn Pt 2, 1996
  • Quantum Nondemolition Measurement of Spin Through Faraday Rotation, Takahashi Y.,Shimizu T.,Isayama T.,Fujimoto M.,Toyoda K.,Ishikawa K.,Yabuzaki T., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 1996.2, No. Autumn Pt 2, 1996
  • Measurement of Spin Precession of Cooled Rb Atom by Faraday Rotation, Isayama T.,Shimizu T.,Fujimoto M.,Toyoda K.,Ishikawa K.,Takahashi Y.,Yabuzaki T., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 1996.2, No. Autumn Pt 2, 1996

Publications

  • 物理科学，この１年 2022, 豊田健二, 丸善出版, ISBN:9784621306864, 2022/01