弘光
 Imai Hiromitsu今井弘光

 NTT Basic Reaseach Laboratories
 Quantum Optical State Control research Group
 Optical Science Laboratry
 3-1 Morinosato Wakamiya, Atsugi-shi, Kangawa, 243-0198
 E-mail : imai.hiromitsu"@"lab.ntt.co.jp (Please take off " from both side of @)


Research

Publications

  1. "Bose-Einstein condensate on a persistent-supercurrent atom chip"
    Hiromitsu Imai, Kensuke Inaba, Haruka Tanji-Suzuki, Makoto Yamashita, and Tetsuya Mukai  
    Appl. Phys. B, 116, 4, 821(2014)
  2. "Collisional loss rates of sodium Bose-Einstein condensates in the F=2 state in a one-dimensional
    optical lattice"

    Hiromitsu Imai, Tomoya Akatsuka, Takashi Ode, and A. Morinaga   
    Phys. Rev. A, 85, 013633 (2012)
  3. "Optimized evaporative cooling for sodium Bose-Einstein condensation against three-body loss"
    T. Shobu, H. Yamaoka, H. Imai, M. Yamashita, and A. Morinaga   
    Phys. Rev. A, 84, 033626 (2011)
  4. "Dependence of Berry's phase on the sign of the g-factor for conical rotation of a magnetic field
    measured, without any dynamical phase shift"

    A. Morinaga, K. Toriyama, H. Narui, T. Aoki, and H. Imai
    Phys. Rev. A 83, 052109 (2011)
  5. "Ramsey Spectroscopy and Geometric Operations on Sodium Bose-Einstein Condensates
    Using Two-Photon Stimulated Raman Transitions"

    H. Imai, and A. Morinaga
    J. Phys. Soc. Japan 79, 094005 (2010)
  6. "Measurement of the second-order Zeeman effect on the sodium clock transition in weak-magnetic-field region using the scalar Aharonov-Bohm phase"
    K. Numazaki, H.Imai, and A. Morinaga
    Phys. Rev. A 81, 032124 (2010)
  7. "Phase shift of an adiabatic rotating magnetic field in Ramsey atom interferometry for m=0
    sodium-atom spin states"

    A. Takahashi, H. Imai, K. Numazaki, and A. Morinaga
    Phys. Rev. A 80, 050102(R) (2009)
  8. "A Modified Route to Creating Bose-Einstein Condensates of Sodium Atoms"
    K. Matsui, H. Imai, H. Yamaoka, R. Makabe, K. Furuta, and A. Morinaga
    Appl. Phys. Express 2, 032301(2009)"
  9. "Demonstration of pure geometric universal single-qubit operation on two-level atoms"
    H. Imai, and A. Morinaga,
    Phys. Rev. A 78, 010302(R) (2008)
  10. "Demonstration of Atom Interferometer Comprised of Geometric Beam Splitters "
    H. Imai, and A. Morinaga
    Proceeding of the 7th symposium Frequency Standards and Metrology, p.517-521 (2008)
  11. "GEOMETRIC UNIVERSAL SINGLE QUBIT OPERATION OF COLD TWO-LEVEL ATOMS"
    H. Imai, and A. Morinaga
    Proceeding of the 9th international Symposium on Foundation of Quantum mechanics
    in the Light of New technology, p262-P265 (2008)
  12. "Geometric manipulation of the population probability of two-level atoms and hybrid unitary
    operations of quantum states "

    H. Imai, and A. Morinaga
    Phys. Rev. A 76, 062111 (2007)
  13. "Evaluation of geometric phase of a two-level atom interferometer manipulated on the Bloch sphere
    using a time-domain atom interferometer"

    H. Imai, Y. Otsubo and A. Morinaga
    Phys. Rev. A 76, 012116 (2007)
  14. "Dual Magneto-Optical Trap of Sodium Atoms in Ground Hyperfine F=1 and F=2 States"
    H. Tanaka, H. Imai, K. Furuta, Y. Kato, S. Tashiro, M. Abe, R. Tajima, and A. Morinaga
    Jpn. J. Appl. Phys. Vol. 46, No. 20 pp. L492-494 (2007)

Presentations

Internatinal conference

  1. "Production of a Bose-Einstein condensate on a persistent-supercurret atom chip"
    H. Imai, K. Inaba, M. Yamashita, and T. Mukai, ICOLS, Berkeley, Poster Jun. 9 - 6(2013).

JPS

  • "Persistent-supercurrent atom chip towards observation of a quasi-one-dimensional Bose gas"
    H. Imai, K. Inaba, K. Noda, M. Yamashita, and T. Mukai, JPS, 22pAG-8 (2015).
  • "Spin state control of a Bose-Einstein condensate on a persistent-supercurrent atom chip"
    H. Imai, K. Inaba, M. Yamashita, and T. Mukai, JPS, 28aCF-7 (2014).
  • "Numerical analyasis on Bose-Einstein condensates trapped in a persistent-supercurrent atom chip"
    K. Inaba, H. Imai, M. Yamashita, and T. Mukai, JPS, 27aEE-8 (2013).
  • "Time-of-flight imaging for a Bose-Einstein condensate on a persisitent-supercurrent atom chip"
    H. Imai, K. Inaba, M. Yamashita, and T. Mukai, JPS, 27aEE-7 (2013).
  • "A scheme to generate a ring shaped quasi-1D IP magnetic trap with persistent current"
    Tetsuya Mukai and Hiromitsu Imai, JPS, 27aEE-6 (2013).
  • "Production of a 87Rb Bose-Einstein condensate with a persistent current superconducting atom chip"
    H. Imai, H. Tanji, K. Inaba, M. Yamashita, and T. Mukai, JPS, 19pAL-8 (2012).
  • "Superradiance and interference of released sodium Bose-Einstein condesates by short light pulses"
    I. Inano, H. Imai, K. Nanri, and A. Morinaga, JPS, 27aSA-9 (2012).
  • "Spectroscopy of sodium BECs Trapped in a 1D optical Lattice"
    T. Ode, H. Imai, T. Akatsuka, and A. Morinaga, JPS, 26pSA-1 (2012)
  • "Towards coherent transport of atoms through a bend in waveguide"
    Tetsuya Mukai, Hiromitsu Imai, JPS, 24pEE-12 (2012)
  • "Sodium Bose-Einstein condensates trapped in a one-dimensional optical lattice"
    Hiromitsu Imai, Tomoya Akatsuka, Takashi Ode, and Atsuo Morinaga, JPS, 24aEE-11 (2011)
  • "Two-photon microwave and radio frequency spectroscopy of sodium Bose-Einstein condesates
    in a one-dimensaional optical lattice"
    , JPS, 26pRA-5 (2011)
  • "Stimulated Raman spectroscopy of a soidum Bose-Einstein condesate in a one-dimensional optical lattice"
    Hiromitsu Imaia, Tomoya Akaktsuka, Takashi Ode, and Atsuo Morinaga, 23aRD-10 (2010)
  • "Geometeric phase operation on Bose-Einstein condesates of sodium atoms"
    Hiromitsu Imai, Tomoya Akatsuka, and Atsuo Morinaga, 22pTD-13 (2010)
  • "Two-Photon Stimulated Raman Atom Interferometer with Bose-Einstein Condensates of Sodium atoms"
    Hiromitsu Imai, Koichi Toriyama, and Atsuo Morinaga, 27aZF-10 (2009)
  • "Pure geometric universal single qubit operation using precise resonant laser-controlled pulses"
    Hiromitsu Imai and Atsuo Morinaga JPS, 22pZA-6 (2008)
  • "Realization of universal single quibit opretion of two-level atoms with geometric manipulation"
    Hiromitsu Imai and Atsuo Morinaga, JPS, 24pQD-1 (2008)
  • "Geometric phase manipulation of cold two-level atoms I
    -Verification of rotation around axis 3 using atom interferometer-"

    Hiromitsu Imai and Atsuo Morinaga, JPS, 23pRH-1 (2007)
  • "Geometric phase manipulation of cold two-level atoms II
    -Verification of rotation around axis 2 on Bloch sphere-"

    Hiromitsu Imai and Atsuo Morinaga, JPS, 23pRH-2 (2007)
  • "Precise measurement of Berry's Phase using a Polarizing Atom interferometer"
    H. Imai, H. Tanaka, K. Furuta, A. Morinaga, JPS, 24pWD-4 (2006)
  • Other conferences

    To be prepared

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