Selected invited talks



2015

Hidetoshi Katori:
“Frequency Comparisons of Sr, Yb and Hg based optical lattice clocks in the lab and between the labs”
8th Symposium on Frequency Standards and Metrology 2015 (2015/10/13)

Hidetoshi Katori:
“Frequency ratios of optical lattice clocks at the 17thdecimal place”,
12th US-Japan Seminar on many body quantum systems (2015/9/22)

Hidetoshi Katori:
“Seeking for a New Second”,
iNOW2015, International Nano Optoelectronics Workshop (2015/8/3)

Hidetoshi Katori:
“Lattice Clocks-from the beginning to the latest-”,
OCS2015, School on Optical Clocks (2015/7/3)

Hidetoshi Katori:
“Frequency ratios of Sr, Yb, and Hg based optical lattice clocks and their applications”,
ICOLS2015, 22nd International Conference on Laser Spectroscopy (2015/6/30)

Hidetoshi Katori:
“Frequency Comparison of Optical Lattice Clocks and its Applications”, Gordon Research Conference on Atomic Physics: From Ultracold to Strongly Interacting Quantum Systems (2015/6/18)

Hidetoshi Katori: 
“Frequency comparisons of Sr, Yb, and Hg based optical lattice clocks and their applications”,
CLEO 2015 (2015/5/15)

2014

Hidetoshi Katori:
“Optical Lattice Clocks as Quantum Sensors for Space-time and Fundamental Physics”,
11th Asian International Seminar on Atomic and Molecular Physics (AISAMP11) (2014/10/10 [Plenary])

Hidetoshi Katori: 
“Reading 18th Decimal Places of Time with Optical Lattice Clocks”,
2014年URSI 日本電波科学会議(URSI-JRSM2014) (2014/9/8)

Hidetoshi Katori: 
“Optical lattice clocks-sensing the space-time curvature”,
Physics Colloquium, Universität Tübingen (2014/7/16)

Hidetoshi Katori:
“Frequency comparison of cryogenic optical lattice clocks”,
New Ideas in low-Energy Tests of Fundamental Physics (2014/6/16)

Hidetoshi Katori:
“Frequency comparison of cryogenic Sr optical lattice clocks at 10-18”,
7th International Workshop on Fundamental Physics using Atoms 2014 (FPUA2014) (2014/3/16)

2013

Masao Takamoto, Ichiro Ushijima, Takuya Ohkubo, Manoj Das, Nils Nemitz, and Hidetoshi Katori:
“Optical lattice clocks with 87Sr in a cryogenic environment”,
Modern Problems of Laser Physics (MPLP 2013) (2013/8/25)

Hidetoshi Katori:
“Precise Comparisons of Optical Lattice Clocks”,
CLEO-PR&OECC/PS 2013 Workshop on C-Special : Photon Frontier Network (2013/6/30)

Hidetoshi Katori:
“Development of Optical Lattice Clocks Aiming at 10-18 Uncertainties”,
Quantum Optics Ⅷ (2013/5/30)

Hidetoshi Katori:
“Precise Frequency Comparisons of Optical Lattice Clocks”,
C3QS:Coherent Control of Complex Quantum Systems (2013/5/8)

Hidetoshi Katori:
“Optical lattice clocks:A decade after Yatsugatake US-Japan seminar”,
US-JAPAN Joint seminar 2013 (2013/4/9)

Hidetoshi Katori:
“Optical Lattice clocks at Riken”,
NICT Workshop on the optical frequency standards -Recent progress and future prospect- (2013/2/7)

Hidetoshi Katori:
"Optical Lattice Clocks at Riken- efforts for developing accurate(10-18) and stable clocks with long term operation for future applications-",
The 72nd Okazaki Conference on "Ultimate Control of Coherence" (2013/1/8)

2012

Hidetoshi Katori:
"Clocks as a tool for exploring the spacetime curvature",
ASI Science Dojo (2012/11/29)

Hidetoshi Katori:
“Optical lattice clocks at Riken”,
The 5th International workshop on ultracold group Ⅱatoms (2012/10/10)

Hidetoshi Katori:
“Optical Lattice clocks and their applications”,
6th Asian Summer School and Symposium on Laser-Plasma Acceleration and Radiation (2012/9/4)

Hidetoshi Katori:
“Prospects for Frequency Comparison of Sr and Hg Based Optical Lattice Clocks Toward 10-18 Uncertainties”,
2012 IEEE International Frequency Control Symposium (2012/5/22)

Hidetoshi Katori:
“Synchronous frequency comparison of optical lattice clocks to approach the quantum limit”,
Shanghai-Tokyo Advanced Research symposium on Ultrafast Intense Laser Science (2012/5/17)

Hidetoshi Katori:
“Prospects for Frequency Comparison of Optical Lattice Clocks Toward 10-18 Fractional Uncertainties”,
2012 European Frequency and Time Forum (2012/4/22)

2011

Hidetoshi Katori:
“光格子時計/Optical lattice clocks and future roles for clocks”,
Germany-Japan Round Table From the early universe to the evolution of life (2011/12/3)

Masao Takamoto:
“Frequency comparison of optical lattice clocks near the quantum limit”,
Cold Antimatter & High Precision Physics (pbar11) (2011/11/29)

Masao Takamoto, Tetsushi Takano, and Hidetoshi Katori:
“Frequency Comparison of Optical Lattice Clocks”,
SPIE (2011/9/12)

H. Katori, T. Takano, and M. Takamoto:
“Synchronous frequency comparison of optical lattice clocks to approach the quantum limit”,
URSI General Assembly and Scientific Symposium(URSIGASS2011) (2011/8/19)

Hidetoshi Katori, Tetsushi Takano, and Masao Takamoto:
“Synchronous Frequency Comparison of Optical Lattice Clocks to approach the Quantum Limit”,
487. Wilhelm and Else Heraeus Seminar Astrophysics, Clocks and Fundamental Constants (2011/7/20)

Hidetoshi Katori:
“Synchronous Frequency Comparison of Optical Lattice Clocks to approach the Quantum Limit”,
The 20th International Conference on Laser Spectroscopy (ICOLS 2011) (2011/5/30)

Hidetoshi Katori:
“Frequency Comparison of Optical Lattice Clocks near the Quantum Limit”;
ERATO Macroscopic Quantum Control Conference on ltracold Atoms and Molecules (UCAM2011) (2011/1/25)

--2010

Masao Takamoto, Tetsushi Takano, and Hidetoshi Katori:
“Frequency comparison of optical lattice clocks”,
INRIM (2010/12/1)

Hidetoshi Katori:
"17-digits' Frequency Comparison of "Optical Lattice Clocks" at the Standard Quantum Limit",
QIT23 (2010/11/6)

Hidetoshi Katori:
“17-digits’ Frequency Comparison of Optical Lattice Clocks near the Quantum Limit”,
The third international conference on “Updating Quantum Cryptography and Communications” (2010/10/20)

Hidekazu Hachisu, Masao Takamoto, and Hidetoshi Katori:
“Measurement of the Blackbody shift using a cryogenic Sr Optical lattice clock”,
2010 Asia-Pacific Radio Science Conference (AP-RASC'10), A3b-5 (2010/9/24)

Masao Takamoto, Tetsushi Takano, and Hidetoshi Katori:
“Opitcal lattice clock”,
International Conference on Coherent and Nonlinear Optics (ICONO 2010)IWA3 (2010/8/25)

Hidetoshi Katori:
“Optical Lattice Clocks & Frequency Comparisons”,
22nd International conference on Atomic Physics (2010/7/27)

Tetsushi Takano, Hidekazu Hachisu, Masao Takamoto, and Hidetoshi Katori:
“Optical lattice clock”,
Variation of fundamental constants and violation of fundamental symmetries P, T(EDM), CPT, Lorentz invariance (2010/7/24)

Hidetoshi Katori:
“Optical Lattice Clocks & Frequency Comparisons”,
2010 Conference on Precision Electromagnetic Measurements (CPEM) (2010/6/15)

Hidetoshi Katori:
“Optical Lattice Clocks toward 10-17 Uncertainty”,
CLEO/QELS: 2010 Laser Science to Photonic Applications (2010/5/17)

Hidetoshi Katori:
“Five years’ progress in optical lattice clocks”,
2010 International Symposium on Physics of Quantum Technology (2010/4/9)


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