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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 Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)
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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 Article, review, commentary, editorial, etc. (scientific journal)
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Observation of Two-phonon Interference Using Trapped Ions
Kenji Toyoda
Japanese Journal of Optics Vol. 47 No. 7 p. 289-294 2018/07 Article, review, commentary, editorial, etc. (scientific journal)
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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 Vol. 69 No. 2 p. 106-106 2014/08/22
Publisher: The Physical Society of Japan (JPS)
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Generation of Quantum Entanglement with Trapped Ions
Noguchi Atsushi, Toyoda Kenji, Urabe Shinji
Vol. 69 No. 5 p. 308-313 2014/05
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 69 No. 1 p. 207-207 2014/03/05
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 69 No. 1 p. 207-207 2014/03/05
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 69 No. 1 p. 207-207 2014/03/05
Publisher: 一般社団法人日本物理学会
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Quantum Rotor in the Linear Paul Trap
Noguchi Atsushi, Toyoda Kenji, Urabe Shinji
Meeting abstracts of the Physical Society of Japan Vol. 68 No. 2 p. 172-172 2013/08/26
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 68 No. 1 p. 187-187 2013/03/26
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 68 No. 1 p. 187-187 2013/03/26
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 67 No. 2 p. 171-171 2012/08/24
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 67 No. 2 p. 171-171 2012/08/24
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 67 No. 1 p. 184-184 2012/03/05
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 67 No. 1 p. 244-244 2012/03/05
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 66 No. 2 p. 178-178 2011/08/24
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 66 No. 2 p. 178-178 2011/08/24
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 66 No. 2 p. 178-178 2011/08/24
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 66 No. 1 p. 226-226 2011/03/03
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 66 No. 1 p. 226-226 2011/03/03
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 66 No. 1 p. 226-226 2011/03/03
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 65 No. 2 p. 144-144 2010/08/18
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 65 No. 2 p. 143-143 2010/08/18
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 65 No. 2 p. 141-141 2010/08/18
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 65 No. 2 p. 143-143 2010/08/18
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 65 No. 1 p. 195-195 2010/03/01
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 64 No. 2 p. 72-72 2009/08/18
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 64 No. 2 p. 71-71 2009/08/18
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 64 No. 2 p. 72-72 2009/08/18
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 64 No. 1 p. 151-151 2009/03/03
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 64 No. 1 p. 151-151 2009/03/03
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 63 No. 2 2008/08/25
Publisher: 社団法人日本物理学会
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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 Vol. 63 No. 1 p. 198-198 2008/02/29
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 63 No. 1 2008/02/29
Publisher: 社団法人日本物理学会
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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 Vol. 63 No. 1 p. 198-198 2008/02/29
Publisher: The Physical Society of Japan (JPS)
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高速断熱通過を用いたCa+イオンのS1/2-D5/2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
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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 Vol. 62 No. 2 2007/08/21
Publisher: 社団法人日本物理学会
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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 Vol. 62 No. 2 p. 199-199 2007/08/21
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 62 No. 2 p. 199-199 2007/08/21
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 62 No. 1 p. 123-123 2007/02/28
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 62 No. 1 p. 124-124 2007/02/28
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 62 No. 1 p. 124-124 2007/02/28
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 62 No. 1 p. 124-124 2007/02/28
Publisher: The Physical Society of Japan (JPS)
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CaイオンのD3/2-D5/2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
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位相ロックされたレーザー光源によるCaイオンのD3/2-D5/2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
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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 Vol. 61 No. 2 p. 107-107 2006/08/18
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 61 No. 2 p. 107-107 2006/08/18
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 61 No. 2 p. 108-108 2006/08/18
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 61 No. 1 p. 144-144 2006/03/04
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 60 No. 2 p. 59-59 2005/08/19
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 60 No. 1 p. 169-169 2005/03/04
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 59 No. 2 p. 114-114 2004/08/25
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 59 No. 1 p. 166-166 2004/03/03
Publisher: The Physical Society of Japan (JPS)
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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
Publisher: 応用物理学会分科会日本光学会
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Laser cooling of ions and quantum information processing
Toyoda Kenji, Urabe Shinji
Meeting abstracts of the Physical Society of Japan Vol. 58 No. 1 p. 157-157 2003/03/06
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 57 No. 1 p. 153-153 2002/03/01
Publisher: The Physical Society of Japan (JPS)
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Magnetic resonance imaging of Bose-Einstein condensates
K Toyoda, Y Takahashi, T Yabuzaki
APPLIED PHYSICS B-LASERS AND OPTICS Vol. 74 No. 2 p. 115-120 2002/02
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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 Vol. 56 No. 2 p. 74-74 2001/09/03
Publisher: The Physical Society of Japan (JPS)
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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 Vol. 55 No. 1 p. 121-121 2000/03/10
Publisher: The Physical Society of Japan (JPS)
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Laser Cooling and Bose-Einstein Condensation. Bose-Einstein Condensation in Atomic Gases.
TOYODA Kenji, TAKAHASHI Yoshiro, YABUZAKI Tsutomu
rle Vol. 28 No. 3 p. 141-146 2000
Publisher: The Laser Society of Japan
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Magneto-optical trapping of Yb atoms and a limit on the branching ratio of the P-1(1) state ( vol 59, pg 934, 1999)
K Honda, Y Takahashi, T Kuwamoto, M Fujimoto, K Toyoda, K Ishikawa, T Yabuzaki
PHYSICAL REVIEW A Vol. 60 No. 3 p. 2603-2603 1999/09 Other
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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 Vol. 52.2.2 1997
Publisher: The Physical Society of Japan
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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 Vol. 52.1.2 No. 1 Pt 2 1997
Publisher: The Physical Society of Japan
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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 Vol. 52.1.2 No. 1 Pt 2 1997
Publisher: The Physical Society of Japan
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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 Vol. 1996.2 No. Autumn Pt 2 1996
Publisher: The Physical Society of Japan
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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 Vol. 1996.2 No. Autumn Pt 2 1996
Publisher: The Physical Society of Japan
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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 Vol. 1996.2 No. Autumn Pt 2 1996
Publisher: The Physical Society of Japan
