Journal



2016

Nils Nemitz, Takuya Ohkubo, Masao Takamoto, Ichiro Ushijima, Manoj Das, Noriaki Ohmae and Hidetoshi Katori: "Frequency Ratio of Yb and Sr clocks with 5×10-17 uncertainty at 150 seconds averaging time", Nat. Photon. (2016)  【PRESS】

Yushi Kaneda, J. M. Yarborough, Yevgeny Merzlyak, Atsushi Yamaguchi, Keitaro Hayashida, Noriaki Ohmae, and Hidetoshi Katori: "Continuous-wave, single-frequency 229 nm laser source for laser cooling of cadmium atoms", Opt. Lett., 41,705 (2016)


2015

Thaned Pruttivarasin, and Hidetoshi Katori: "Compact field programmable gate array-based pulse-sequencer and radio-frequency generator for experiments with trapped atoms", Rev. Sci. Instrum., 86, 115106 (2015)

Masao Takamoto, Ichiro Ushijima, Manoj Das, Nils Nemitz, Takuya Ohkubo, Kazuhiro Yamanaka, Noriaki Ohmae, Tetsushi Takano, Tomoya Akatsuka, Atsushi Yamaguchi, Hidetoshi Katori:
“Frequency ratios of Sr, Yb, and Hg based optical lattice clocks and their applications”,
C. R. Physique 16, 489-498 (2015)

Kazuhiro Yamanaka, Noriaki Ohmae, Ichiro Ushijima, Masao Takamoto, and Hidetoshi Katori:
“Frequency Ratio of 199Hg and 87Sr Optical Lattice Clocks beyond the SI Limit”,
Phys. Rev. Lett. 114,230801 (2015) [PRESS]

Hidetoshi Katori, V. D. Ovsiannikov, S. I. Marmo, and V. G. Palchikov:
“Strategies for reducing the light shift in atomic clocks”,
Phys. Rev. A, Vol.91, 52503 (2015)

V.A. Dzuba, V.V. Flambaum, and Hidetoshi Katori:
“Optical clock sensitive to variations of the fine-structure constant based on the Ho14+ ion”,
Phys. Rev. A, Vol.91, 022119 (2015)

Ichiro Ushijima, Masao Takamoto, Manoj Das, Takuya Ohkubo, and Hidetoshi Katori:
“Cryogenic optical lattice clocks”,
Nat. Photon., Vol.9, 185-189 (2015)  [PRESS]


2014

Shoichi Okaba, Tetsushi Takano, Fetah Benabid, Tom Bradley, Luca Vincetti, Zakhar Maizelis, Valery Yampol'skii, Franco Nori, and Hidetoshi Katori:
“Lamb-Dicke spectroscopy of atoms in a hollow-core photonic crystal fibre”,
Nat. Commun., Vol.5, 4096 (2014)  [PRESS]

Tomoya Akatsuka, Hitomi Ono, Keitaro Hayashida, Kuniya Araki, Masao Takamoto, Tetsushi Takano, and Hidetoshi Katori:
“30-km-long optical fiber link at 1397 nm for frequency comparison between distant strontium optical lattice clocks”,
Jpn. J. Appl. Phys., Vol.53, 032801 (2014)


2013

Ovsiannikov, V. D., Pal'chikov, V. G., Taichenachev, A. V., Yudin, V. I., and Katori, H.:
“Multipole, nonlinear, and anharmonic uncertainties of clocks of Sr atoms in an optical lattice”,
Phys. Rev. A, Vol.88, 013405 (2013)


2012

H. Katori, M. Takamoto, T. Takano, I. Ushijima, T. Ohkubo, K. Yamanaka, N. Ohmae, Y. Aso, A. Shoda, T. Ushiba, P. Thoumany, M, Das, B. T. R. Christensen, and T. Akatsuka:
“Prospects for frequency comparison of Sr and Hg optical lattice clocks toward 10-18 uncertainties”,
Proceedings of IEEE Int. Freq. Control Symp., 56-61 (2012)


2011

Deshui Yu:
"Photonic band structure of the three-dimensional 88Sr atomic lattice",
Phys. Rev. A, Vol.84, 043883 (2011)

Atsushi Yamaguchi, Miho Fujieda, Motohiro Kumagai, Hidekazu Hachisu, Shigeo Nagano, Ying Li, Tetsuya Ido, Tetsushi Takano, Masao Takamoto, and Hidetoshi Katori:
“Direct Comparison of Distant Optical Lattice Clocks at the 10-16 Uncertainty”,
Appl. Phys. Exp., Vol.4, 082203 (2011)

Hidetoshi Katori:
“Optical lattice clocks and quantum metrology”,
Nat. Photon., Vol.5, 203-210 (2011)

M. Takamoto, T. Takano, and H. Katori:
“Frequency comparison of optical lattice clocks beyond the Dick limit”,
Nat. Photon., Vol.5, 288-292 (2011)


--2010

Tomoya Akatsuka, Masao Takamoto, and Hidetoshi Katori:
“Three-dimensional optical lattice clock with bosonic Sr-88 atoms”,
Phys. Rev. A, Vol.81, 023402 (2010)

F. L. Hong and H. Katori:
“Frequency Metrology with Optical Lattice Clocks”,
Jpn. J. Appl. Phys., Vol.49, 080001 (2010)

H. Katori, K. Hashiguchi, E. Yu. Il'inova, and V. D. Ovsiannikov:
“Magic Wavelength to Make Optical Lattice Clocks Insensitive to Atomic Motion”,
Phys. Rev. Lett., Vol.103, 153004 (2009)

M. Takamoto, H. Katori, S. I. Marmo, V. D. Ovsiannikov, and V. G. Pal'chikov:
“Prospects for Optical Clocks with a Blue-Detuned Lattice”,
Phys. Rev. Lett., Vol.102, 63002 (2009)

F. L. Hong, M. Musha, M. Takamoto, H. Inaba, S. Yanagimachi, A. Takamizawa, K. Watabe, T. Ikegami, M. Imae, Y. Fujii M. Amemiya, K. Nakagawa, K. Ueda, and H. Katori:
“Measuring the frequency of a Sr optical lattice clock using a 120 km coherent optical transfer”,
Opt. Lett., Vol.34, 692-694 (2009)

Masao Takamoto and Hidetoshi Katori:
“Coherence of Spin-Polarized Fermions Interacting with a Clock Laser in a Stark-Shift-Free Optical Lattice”,
J. Phys. Soc. Jpn., Vol.78, 013301 (2009)

H. Hachisu, K. Miyagishi, S. G. Porsev, A. Derevianko, V. D. Ovsiannikov, V. G. Pal'chikov, M. Takamoto, and H. Katori:
“Trapping of Neutral Mercury Atoms and Prospects for Optical Lattice Clocks”,
Phys. Rev. Lett., Vol.100, 53001 (2008)

S. Blatt, A. D. Ludlow, G. K. Campbell, J. W. Thomsen, T. Zelevinsky, M. M. Boyd, J. Ye,X. Baillard, M. Fouche, R. L. Targat, A. Brusch, P. Lemonde, M. Takamoto, F. L. Hong, H. Katori, and V. V. Flambaum:
"New Limits on Coupling of Fundamental Constants to Gravity Using 87Sr Optical Lattice Clocks”,
Phys. Rev. Lett., Vol.100, 140801 (2008)

Tomoya Akatsuka, Masao Takamoto, and Hidetoshi Katori:
“Optical lattice clocks with non-interacting bosons and fermions”,
Nat. Phys., Vol.4, 954-959 (2008)

Jun Ye, H. J. Kimble, and Hidetoshi Katori:
“Quantum State Engineering and Precision Metrology Using State-Insensitive Light Traps”,
Science, Vol.320, 1734-1738 (2008)

Vitaly D. Ovsiannikov, Vitaly G. Pal’chikov, Alexey V. Taichenachev, Valeriy I. Yudin, H. Katori, and M.Takamoto:
“Magic-wave-induced S-1(0)-P-3(0) transition in even isotopes of alkaline-earth-metal-like atoms”,
Phys. Rev. A, Vol.75, 020501R (2007)

Masao Takamoto, Feng-Lei Hong, Ryoichi Higashi, Yasuhisa Fujii, Michito Imae, and Hidetoshi Katori:
“Improved Frequency Measurement of a One-Dimensional Optical Lattice Clock with a Spin-Polarized Fermionic 87Sr Isotope”,
J. Phys. Soc. Jpn., Vol.75, 104302 (2006)

H. Katori, M. Takamoto, R. Higashi, and F.-L. Hong:
“An optical lattice clock: Ultrastable atomic clock with engineered perturbation”,
Proceedings of the 8th International Symposium on Foundations of Quantum Mechanics in the Light of New Technology, 276-281 (2006)

V.D. Ovsiannikov, V.G. Pal'chikov, H. Katori, and M. Takamoto:
“Polarization and dispersion properties of light shifts in ultrastable optical frequency standards”,
Quant. Electron, Vol.36, (2006)

T. Kishimoto, H. Hachisu, J. Fujiki, K. Nagato, M. Yasuda, and H. Katori:
“Electrodynamic trapping of spinless neutral atoms with an atom chip”,
Phys. Rev. Lett., Vol.96, 123001 (2006)

Masami Yasuda, Tetsuo Kishimoto, Masao Takamoto, and Hidetoshi Katori
“Photoassociation spectroscopy of 88Sr : reconstruction of the wave function near the last node”,
Phys. Rev. A, Vol.73, 011403R (2006)

F.-L. Hong, M. Takamoto, R. Higashi, Y. Fukuyama, J. Jiang, and H. Katori:
“Frequency measurement of a Sr lattice clock using an SI-second-referenced optical frequency comb linked by a global positioning system (GPS)”,
Opt. Express, Vol.13, 5253-5262 (2005)

M. Takamoto, F.-L. Hong, R. Higashi, and H. Katori:
“An optical lattice clock”,
Nature, Vol.435, 321-324 (2005)

H. Katori, M. Takamoto, H. Hachisu, T. Kishimoto, R. Higashi, and F.-L. Hong:
“Simulate ion traps with neural atoms : Stark atom chip and optical lattice clock”,
Proceedings of the 17th International Conference on Laser Spectroscopy (ICOLS05), 327-336 (2005)

Masami Yasuda and Hidetoshi Katori:
“Lifetime Measurement of the 3P2 Metastable State of Strontium Atoms”,
Phys. Rev. Lett., Vol.92, 153004-153007 (2004)

Ying Li, Tetsuya Ido, Taro Eichler, and Hidetoshi Katori:
“Narrow-line diode laser system for laser cooling of strontium atoms on the intercombination transition”,
Appl. Phys. B, Vol.78, 315-320 (2004)

Hidetoshi Katori and Tomoya Akatsuka:
“Electric manipulation of spinless neutral atoms on a surface”,
Jpn. J. Appl. Phys., Vol.43, 358-361 (2004)

Hidetoshi Katori and Masao Takamoto:
“Optical Lattice Clock : Precision Spectroscopy of Neutral Atoms in Tight Confinement”,
Proceedings of the XVIth International Conference on Laser Spectroscopy (ICOLS03), 22-29 (2004)

H. Katori, M. Takamoto, T. Kishimoto, H. Hachisu, J. Fujiki, R. Higashi and M. Yasuda:
“Engineering Stark Potentials for Precision Measurements : Optical Lattice Clock and Electrodynamic Surface Trap”,
Proceedings of the 19th International Conference on Atomic Physics 2004 (ICAP2004), 112-122 (2004)

Masao Takamoto and Hidetoshi Katori:
“Spectroscopy of the 1S0-3P0 Clock Transition of 87Sr in an Optical Lattice”,
Phys. Rev. Lett., Vol.91, 223001-223005 (2003)

Hidetoshi Katori, Masao Takamoto, V. G. Pal'chikov, and V. D. Ovsiannikov:
“Ultrastable Optical Clock with Neutral Atoms in an Engineered Light Shift Trap”,
Phys. Rev. Lett., Vol.91, 173005-173008 (2003)

Tetsuya Ido and Hidetoshi Katori:
"Recoil-free spectroscopy of neutral Sr atoms in the Lamb-Dicke regime",
Phys. Rev. Lett., Vol.91, 53001 (2003)

Takashi Mukaiyama, Hidetoshi Katori, Tetsuya Ido, Ying Li, and Makoto Kuwata-Gonokami:
“Recoil-limited laser cooling of 87Sr atoms near the Fermi temperature”,
Phys. Rev. Lett., Vol.90, 113002 (2003)

T. Ido, M. Kuwata-Gonokami, and H. Katori:
“Sideband cooling and spectroscopy of strontium atoms in the Lamb-Dicke confinement”,
Proceedings of the XV international conference on laser spectroscopy, 337-340 (2002)

Hidetoshi Katori:
“Spectroscopy of strontium atoms in the Lamb-Dicke confinement”,
Proceedings of the 6th Symposium on Frequency Standards and Metrology, 323-330 (2002)

Hidetoshi Katori, Tetsuya Ido, Yoshitomo Isoya, and Makoto Kuwata-Gonokami:
“Laser Cooling of Strontium Atoms toward Quantum Degeneracy”,
CP551, Atomic Physics 17 (American Institute of Physics, 2001), 382-396 (2001)

Tetsuya Ido, Yoshitomo Isoya, and Hidetoshi Katori:
“Optical-dipole trapping of Sr atoms at a high phase-space density”,
Phys. Rev. A., Vol.6106, 061403R (2000)

Hidetoshi Katori, Tetsuya Ido, and Makoto Kuwata-Gonokami:
“Optimal design of dipole potentials for efficient loading of Sr atoms”,
J. Phys. Soc. Jpn., Vol.68, 2479-2482 (1999)

Hidetoshi Katori, Tetsuya Ido, Yoshitomo Isoya, and Makoto Kuwata-Gonokami:
“Magneto-optical trapping and cooling of strontium atoms down to the photon recoil temperature”,
Phys. Rev. Lett., Vol.82, 1116-1119 (1999)

S. Schlipf, H. Katori, L. Perotti, and H. Walther:
“Diffusion of a Single Ion in a one-Dimensional Optical Lattice”,
Opt. Express, Vol.3, 97-103 (1998)

Hidetoshi Katori, Stefan Schlipf, and Herbert Walther:
“Anomalous Dynamics of a Single Ion in an Optical Lattice”,
Phys. Rev. Lett., Vol.79, 2221-2224 (1997)

Hidetoshi Katori, Hideyuki Kunugita, and Tetsuya Ido:
“Quantum Statistical Effect on Ionizing Collisions of Ultracold Metastable Kr Isotopes”,
Phys. Rev. A, Vol.52, R4324-R4327 (1995)

Hidetoshi Katori and Fujio Shimizu:
“Laser-induced Ionizing Collisions of Ultracold Krypton Gas in the 1s5 Metastable State”,
Phys. Rev. Lett., Vol.73, 2555-2558 (1994)

Hidetoshi Katori and Fujio Shimizu:
“Lifetime Measurement of the 1s5 Metastable State of Argon and Krypton with a Magneto-Optical Trap”,
Phys. Rev. Lett., Vol.70, 3545-3548 (1993)

Hidetoshi Katori and Fujio Shimizu:
“Laser Cooling and Trapping of Argon and Krypton Using Diode Lasers”,
Jpn. J. Appl. Phys., Vol.29, L2124-L2127 (1990)