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

- 87Rb Bose-Einstein condensate on a persistent-supercurrent atom chip

**"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)**"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)**"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)**"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)**"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)**"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)**"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)**"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)"**"Demonstration of pure geometric universal single-qubit operation on two-level atoms"**

H. Imai, and A. Morinaga,

Phys. Rev. A 78, 010302(R) (2008)**"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)**"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)**"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)**"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)**"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)

Internatinal conference

**"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

H. Imai, K. Inaba, K. Noda, M. Yamashita, and T. Mukai, JPS, 22pAG-8 (2015).

H. Imai, K. Inaba, M. Yamashita, and T. Mukai, JPS, 28aCF-7 (2014).

K. Inaba, H. Imai, M. Yamashita, and T. Mukai, JPS, 27aEE-8 (2013).

H. Imai, K. Inaba, M. Yamashita, and T. Mukai, JPS, 27aEE-7 (2013).

Tetsuya Mukai and Hiromitsu Imai, JPS, 27aEE-6 (2013).

H. Imai, H. Tanji, K. Inaba, M. Yamashita, and T. Mukai, JPS, 19pAL-8 (2012).

I. Inano, H. Imai, K. Nanri, and A. Morinaga, JPS, 27aSA-9 (2012).

T. Ode, H. Imai, T. Akatsuka, and A. Morinaga, JPS, 26pSA-1 (2012)

Tetsuya Mukai, Hiromitsu Imai, JPS, 24pEE-12 (2012)

Hiromitsu Imai, Tomoya Akatsuka, Takashi Ode, and Atsuo Morinaga, JPS, 24aEE-11 (2011)

in a one-dimensaional optical lattice"

Hiromitsu Imaia, Tomoya Akaktsuka, Takashi Ode, and Atsuo Morinaga, 23aRD-10 (2010)

Hiromitsu Imai, Tomoya Akatsuka, and Atsuo Morinaga, 22pTD-13 (2010)

Hiromitsu Imai, Koichi Toriyama, and Atsuo Morinaga, 27aZF-10 (2009)

Hiromitsu Imai and Atsuo Morinaga JPS, 22pZA-6 (2008)

Hiromitsu Imai and Atsuo Morinaga, JPS, 24pQD-1 (2008)

-Verification of rotation around axis 3 using atom interferometer-"

Hiromitsu Imai and Atsuo Morinaga, JPS, 23pRH-1 (2007)

-Verification of rotation around axis 2 on Bloch sphere-"

Hiromitsu Imai and Atsuo Morinaga, JPS, 23pRH-2 (2007)

H. Imai, H. Tanaka, K. Furuta, A. Morinaga, JPS, 24pWD-4 (2006)

Other conferences

To be prepared