国際学会・講演

招待講演

その他(招待講演以外)はこちら



2019

Hidetoshi Katori, (Keynote) Transportable Optical Lattice Clocks to Test Gravitational Redshift, EU-USA-Japan International Symposium on Quantum Technology (ISQT) (2019/12/16-17). 【Link】

Hidetoshi Katori, Transportable Optical Lattice Clocks to Test Gravitational Redshift, ENS/UTokyo WS on Physics (2019/11/25-26). 【Link】

Hidetoshi Katori, Optical lattice clocks “From curiosity-driven research to practical devices,” QUANTUM TECHNOLOGY SEMINAR ~How collaboration of Japanese and Danish researchers is contributing to current and future innovation ~ (2019/11/21). 【Link】

in-quantum-technology/ Hidetoshi Katori, Optical lattice clocks and their field operation, Physics of fundamental Symmetries and Interactions - PSI2019 (2019/10/20-25). 【Link】

Hidetoshi Katori, Optical lattice clocks---From curiosity-driven research to practical devices---, UK-Japan Quantum Sensing and Metrology Workshop (2019/9/10-11).

Hidetoshi Katori, (Plenary talk) Optical lattice clocks and their applications---From curiosity-driven research (1999) to practical devices---, XXXI International Conference on Photonic, Electronic and Atomic Collisions (XXXI ICPEAC) (2019/7/24-30).

Hidetoshi Katori, (Keynote) Magic conditions for optical lattice clocks to operate at 10-19 uncertainty, CLEO/EUROPE-EQEC (2019/6/23-27). 【Link】

Current Status of Optical Lattice Clocks at RIKEN & UT, 2019 Joint Conference of the IEEE International Frequency Control, Symposium and European Frequency and Time Forum (EFTF/IFC) (2019/4/14-18). 【Link】

Hidetoshi Katori, Magic conditions for optical lattice clocks to operate at 10-19 uncertainty, The 11th International Workshop on Fundamental Physics Using Atoms (2019/3/3). 【Link】

Hidetoshi Katori, Magic conditions for optical lattice clocks to operate at 10-19 uncertainty, Kavli IPMU Visions for table-top dark matter experiments (2019/2/26). 【Link】


2018

Hidetoshi Katori, Magic conditions for optical lattice clocks to operate at 10-19 uncertainty, US-Japan QELS-13, the 13th Japan-US Joint Seminar on Quantum Electronics and Laser Spectroscopy (2018/9/26). 【Link】

Hidetoshi Katori, Connecting optical lattice clocks at 10-18 uncertainty, the 670th Wilhelm and Else Heraeus-Seminar “Fundamental Constants: Basic Physics and Units,” Physikzentrum Bad Honnef (2018/5/15). 【Link】

Hidetoshi Katori, Optical Lattice Clocks: Seeking for a Future Second, DENMARK AND JAPAN STI SEMINAR QUANTUM TECHNOLOGY CREATING THE FUTURE (2018/4/12). 【Link】

Hidetoshi Katori, (Plenary) Optical Lattice Clocks : Reading the 18th Decimal Place of Frequency, SPIE Photonics West LASE 2018 (2018/1/31). 【Link】


2017

Noriaki Ohmae, Frequency comparison of optical lattice clocks, The 3rd Australia New Zealand Conference on Optics and Photonics (ANZCOP 2017/12/3-7). 【Link】

Hidetoshi Katori, Optical Lattice Clocks: Seeking for a Future Second, JAPAN-DENMARK 150TH Anniversary Year of Diplomatic Relationship, Photonics Creating the Future (2017/11/16). 【Link】

Hidetoshi Katori, Connecting optical lattice clocks at 10-18 uncertainty, The 24th Congress of the International Commission for Optics, ICO-24 (2017/8/23). 【Link】

Hidetoshi Katori, Optical lattice clocks and their applications, International Conference on Laser Spectroscopy, ICOLS 2017 (2017/7/4). 【Link】

Hidetoshi Katori, (Keynote Address) Reading 18th decimal places of time with optical lattice clocks: miniaturization and new application, MEMS Engineer Forum, MEF (2017/4/27). 【Link】

Hidetoshi Katori, Connecting optical lattice clocks at 10-18 uncertainly, geo-Q General Assembly (2017/2/23). 【Link】

Hidetoshi Katori, Optical Lattice Clocks: Reading the 18th decimal place of frequency, 55th International Winter Meeting on Nuclear Physics (2017/1/26). 【Link】


2016

Hidetoshi Katori, (Plenary) Optical Lattice Clocks: Seeking for a New Second, International Symposium on Optomechatronic Technology (ISOT 2016 Itabashi Tokyo, 2016/11). 【Link】

Hidetoshi Katori, Frequency ratios of optical lattice clocks at the 17th decimal place, Varying Constants and Fundamental Cosmology ? VARCOSMOFUN’16 (2016/9/13). 【Link】

Hidetoshi Katori, Frequency ratios of optical lattice clocks at the 17th decimal place, Current Trends and Future Directions in Relativistic Many Electron Theories (2016/9). 【Link】

Ushijima Ichiro, Manoj Das, Msao Takamoto and Hidetoshi Katori, Cryogenic optical lattice clocks towards an uncertainty of sub-10-18 level, MPLP-2-16: Modern Problems of Laser Physics (2016/8/24). 【Link】 【Link】

Hidetoshi Katori, Frequency ratios of optical lattice clocks at the 17th decimal place, The 25th International Conference on Atomic Physics, ICAP 2016 (2016/7/25). 【Link】

Masao Takamoto, Reducing the blackbody radiation shift for optical lattice clocks, Workshop on Optical Clocks, ICAP2016 (2016/7/22). 【Link】

Hidetoshi Katori, Frequency ratios of optical lattice clocks at the 17th decimal place, CEMS Topical Meeting on Cold Atoms (2016/6/11). 【Link】

Hidetoshi Katori, Frequency ratios of optical lattice clocks at the 17th decimal place, 47th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics (2016/5/26). 【Link】

香取秀俊, Frequency ration of optical lattice clocks at the 17th decimal place, LEAP2016 (2016/3/8) . Hidetoshi Katori, Frequency ration of optical lattice clocks at the 17th decimal place, International Conference on Quantum Optics 2016 (2016/2/26). 【Link】

b.p. Tetsushi Takano (Hidetoshi Katori), Remote frequency comparison of cryogenic optical lattice clocks, The 6th International Workshop on Ultracold Group II atoms (2016/2/23). 【Link】


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). 【Link】

Hidetoshi Katori, Frequency ratios of optical lattice clocks at the 17th decimal place, 12th US-Japan Seminar on many body quantum systems (2015/9/22). 【Link】

Hidetoshi Katori, Seeking for a New Second, iNOW2015, International Nano Optoelectronics Workshop (2015/8/3). 【Link】

Hidetoshi Katori, Lattice Clocks -from the beginning to the latest-, OCS2015 , School on Optical Clocks (2015/7/3). 【Link】

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). 【Link】

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). 【Link】

Masao Takamoto, Frequency comparison of cryogenic Sr optical lattice clocks at 10-18, BIT's 4th Annual World Congress of Advanced Materials-2015 (WCAM-2015) (2015/5/27).

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 clock for fundamental physics: A bridge from ion to atom physics, Trapped Charged Particle and Fundamental Physics TCP school (2014/11/29). 【Link】

Hidetoshi Katori, (Plenary) 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). 【Link】

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). 【Link】

Hidetoshi Katori, Frequency comparison of cryogenic optical lattice clocks in a lab and inter labs, 2014 Frequency Control Symposium (2014/5/19). 【Link】

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). 【Link】

Hidetoshi Katori, Frequency Comparison of Ensemble of Optical Lattice Clocks: Identifying the 18th decimal places, FIRST International Symposium on “Topological Quantum Technology” (2014/1/29). 【Link】


2013

Hidetoshi Katori, (基調講演)時空のゆがみを見る光格子時計, 日本光学会年次学術講演会 Optics & Photonics Japan 2013 (2013/11/12).

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

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).


2012

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

Hidetoshi Katori, Prospects for Frequency Comparison of Sr and Hg Based Optical Lattice Clocks Toward 10-18 Uncertainties, 2012 IEEE International Frequency Control Sumposium (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).

Hidetoshi Katori, Tetsushi Takano, and Masao 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

Hidetoshi Katori, Optical lattice clocks toward 10-17 uncertainty, Procddings of CLEO/QELS CMD3-1-3 (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 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).

Katori Hidetoshi, Yoneda Hitoki, Nakagawa Ken'ichi, Shimizu Fujio, Preface, LASER SPECTROSCOPY, Proceedings of the 19th International Conference on Laser Spectroscopy, ICOLS 2009 (2010).

Masao Takamoto, Tomoya Akatsuka, H Hachisu, Tetsushi Takano, K. Totsuka, and Hidetoshi Katori, Optical lattice clocks with single occupancy bosons and spin-polarized fermions toward 10-17 accuracy, LASER SPECTROSCOPY, Proceedings of the 19th International Conference on Laser Spectroscopy, ICOLS 2009 107-116 (2010).

その他

招待講演はこちら



2017

Tadahiro Takahashi, Tomoya Akatsuka, and Hidetoshi Katori, Atom Interferometry with the Sr Optical Clock Transition Inside an Optical Guide, International School and Symposium on Nanoscale Transport and Photonics (2017/11/21) 【poster】.【Link】

Masao Takamoto, Ichiro Ushijima, Manoj Das, and Hidetoshi Katori, Development of cryogenic Sr optical lattice clocks and their applications, URSI 2017 GASS (2017/8/22) 【oral】. 【Link】

Noriaki Ohmae, Naoya Kuse, Martin E. Fermann, and H. Katori, All-polarization-maintaining, single-port Er:fiber comb for high-stability frequency comparison of optical lattice clocks, IFCS-EFTF2017 (2017/7/13) 【oral】. 【Link】

Tomoya Akatsuka, Hiromitsu Imai, Katsuya Oguri, Atsushi Ishizawa, Tetsushi Takano, Masao Takamoto, Hidetoshi Katori, Hideki Gotoh, and Tetsuomi Sogawa, Optical fiber link at 1397 nm over 100 km for networking distant Sr optical lattice clocks with 10-18 uncertainties, International Conference on Laser Spectroscopy (ICOLS 2017/7/2-8) 【oral】. 【Link】

Hiromitsu Imai, Tomoya Akatsuka, Katsuya Oguri, Atsushi Ishizawa, Masao Takamoto, Manoj Das, Noriaki Ohmae, Hidetoshi Katori, Hideki Gotoh, and Tetsuomi Sogawa, Development of an optical lattice clock for a frequency comparison through an optical fiber link over 100 km, International Conference on Laser Spectroscopy (ICOLS 2017/7/2-8) 【oral】. 【Link】


2016

Atsushi Yamaguchi, Kurt Gibble, and Hidetoshi Katori, Narrow-line laser cooling of cadmium towards a portable optical lattice clock, The 25th International Conference on Atomic Physics ICAP 2016 (2016/7/24-29) 【oral】. 【Link】

Nils Nemitz, Asbjørn Jørgensen, Ryotatsu Yanagimoto, and Hidetoshi Katori, Investigating lattice-light induced frequency shifts in an ytterbium optical lattice clock, The 25th International Conference on Atomic Physics ICAP 2016 (2016/7/24-29) 【oral】. 【Link】

Masao Takamoto, Ichiro Ushijima, Manoj Das, Tetsushi Takano, Noriaki Ohmae, Tomoya Akatsuka, Atsushi Yamaguchi, and Hidetoshi Katori, Development of cryogenic Sr optical lattice clocks and their applications, The 25th International Conference on Atomic Physics ICAP 2016 (2016/7/24-29) 【oral】. 【Link】

高本将男, Precision metrology with optical lattice clocks, UBIAS International Academia Nagoya Workshop (2016/3/9) 【oral】. 【Link】


2015

Nils Nemitz, Takuya Ohkubo, Masao Takamoto, Ichiro Ushijima, Mnoj Das, Noriaki Ohmae, and Hidetoshi Katori, Measuring the Yb/Sr clock frequency ratio with cryogenic optical lattice clocks, 8th Symposium on Frequency Standards and Metrology 2015 (2015/10/12,13) 【poster】. 【Link】

Tetsushi Takano, Ichiro Ushijima, Masao Takamoto, Atsushi Yamaguchi, Tomoya Akatsuka, and Hidetoshi Katori, Remote frequency comparison of cryogenic optical lattice clocks, 12th US-Japan Seminar on many body quantum systems (2015/9/21) 【poster】. 【Link】

Shoichi Okaba, Super-radiance in HC-PCF, 12th US-Japan Seminar on many body quantum systems (2015/9/21) 【poster】. 【Link】

Noriaki Ohmae, Kazuhiro Yamanaka, Ichiro Ushijima, Masao Takamoto, and Hidetoshi Katori, Frequency ratio measurement of Hg and Sr optical lattice clocks, 2015 Conference on Lasers and Electro-Optics Europe & the European Quantum Electronics Conference (2015/6/22) 【oral】. 【Link】

Nils Nemitz, Takuya Ohkubo, Masao Takamoto, Ichiro Ushijima, Manoj Das, Noriaki Ohmae, and Hidetoshi Katori, Measuring the Yb/Sr clock frequency ratio with cryogenic optical lattice clocks, 2015 Joint Conference of the IEEE International Frequency Control Symposium and European Frequency and Time Forum (2015/4/14) 【oral】. 【Link】


2014

Hidetoshi Katori, Ichiro Ushijima, and Masao Takamoto, Frequency Comparison of Cryogenic Optical Lattice Clocks Between Riken and the University of Tokyo, 2014 IEEE International Frequency Control Symposium (2014/5/21) 【oral】.

Tomoya Akatsuka, Hitomi Ono, Keitaro Hayashida, Tetsushi Takano, Atsushi Yamaguchi, Masao Takamoto, Ichiro Ushijima, and Hidetoshi Katori, Coherent frequency transfer of a strontium optical lattice clock via a 30-km-long optical fiber, 7th International Workshop on Fundamental Physics using Atoms 2014 ( FPUA2014) (2014/3/14-15) 【poster】.


2013

Tomoya Akatsuka, Hitomi Ono, Keitaro Hayashida, Kuniya Araki, Masao Takamoto, Tetsushi Takano, and Hidetoshi Katori, A 30-km-long optical fiber link for frequency comparison between distant strontium optical lattice clocks, 2013 IEEE International Frequency Control Symposium (2013/7/25) 【oral】.

Ichiro Ushijima, Takuya Ohkubo, Manoj Das, Masao Takamoto, and Hidetoshi Katori, Optical lattice clocks with 87Sr in a cryogenic environment, 2013 IEEE International Frequency Control Symposium (2013/7/24) 【oral】.

Ichiro Ushijima, Takuya Ohkubo, Manoj Das, Masao Takamoto, and Hidetoshi Katori, Optical lattice clocks with 87Sr in a cryogenic environment, 2013 IEEE International Frequency Control Symposium (2013/7/22-25) 【poster】.

NoriakiOhmae, KazuhiroYamanaka, MasaoTakamoto, and HidetoshiKatori, Development of Hg optical lattice clocks, The 12th Asia Pacific Physics Conference of AAPPS, ASEPS3 The third Asia-Europe Physics Summit (2013/7/17) 【oral】.

Tomoya Akatsuka, Hitomi Ono, Keitaro Hayashida, Kuniya Araki, Masao Takamoto, Tetsushi Takano, and Hidetoshi Katori, Optical fiber link for frequency comparison between strontium optical lattice clocks operating at distant laboratories, The 12th Asia Pacific Physics Conference of AAPPS, ASEPS3 The third Asia-Europe Physics Summit (2013/7/17) 【poster】.

Ichiro Ushijima, Manoj Das,Takuya Ohkubo,Masao Takamoto, and Hidetoshi Katori, Evaluation of blackbody radiation shift with 87Sr optical lattice clocks, The 12th Asia Pacific Physics Conference of AAPPS, ASEPS3 The third Asia-Europe Physics Summit (2013/7/17) 【poster】.

Kazuhiro Yamanaka, Noriaki Ohmae, Masao Takamoto, and Hidetoshi Katori, Development of Hg optical lattice clock at RIKEN, The 21st International Conference on Laser Spectroscopy (2013/6) 【poster】.

Masao Takamoto, Ichiro Ushijima, Manoj Das, Takuya Ohkubo, Nils Nemitz, and Hidetoshi Katori, Optical lattice clocks with 87Sr in a cryogenic environment, The 21st International Conference on Laser Spectroscopy (2013/6) 【poster】.

Takuya Ohkubo, Ichirou Ushijima, Manoj Das, Masao Takamoto, and Hidetoshi Katori, Evaluation of blackbody radiation shift of strontium optical lattice clock, US-JAPAN Joint seminar 2013 (2013/4/5,10) 【poster】 .

Shouichi Okaba,Tethushi Takano, and Hidetoshi Katori, Precision spectroscopy of atoms inside hollow core fiber, US-JAPAN Joint seminar 2013 (2013/4/5,10) 【poster】.

Tomoya Akatsuka, Hitomi Ono, Keitaro Hayashida, Masao Takamoto, Tetsushi Takano, and Hidetoshi Katori, A 30-km-long optical fiber link between Riken and University of Tokyo for frequency comparison between remote optical lattice clocks, NICT Workshop on the optical frequency standards -Recent progress and future prospect- (2013/2/7) 【poster】.


2012

牛島一朗, Das Manoj, 大久保拓哉, 高野哲至, 高本将男, 香取秀俊, Optical lattice clocks with 87Sr in a cryogenic environment, GCOE International Symposium on Physical Sciences Frontier (2012/12/8) 【poster】.

香取秀俊, Development of Optical Lattice Clocks Aiming at 10-18 Uncertainties, GCOE International Symposium on Physical Sciences Frontier (2012/12/8) 【oral】.

Manoj Das, Ichiro Ushijima, Takuya Ohkubo, Masao Takamoto, and Hidetoshi Katori,Development of Strontium Optical Lattice Clocks: Towards frequency uncertainty of 10-18, 8th International conference on Advances in Metrology (2012/11/7) 【oral】.

Tomoya Akatsuka, Hitomi Ono, Masao Takamoto, Tetsushi Takano, Noriaki Ohmae, Manoj Das, Ichiro Ushijima, Takuya Ohkubo, and Hidetoshi Katori, A 30-km optical fiber link for frequency comparison between remote optical lattice clocks, The 5th International workshop on ultracold groupⅡatoms (2012/10/11) 【poster】.

Noriaki Ohmae, Yoichi Aso, A. Shoda, T. Ushiba, Masao Takamoto, and Hidetoshi Katori, Stable lasers toward 10-17 stability with cryogenic cavity and 1-m-long cavity, The 5th International workshop on ultracold groupⅡatoms (2012/10/11) 【poster】.

Masao Takamoto, Ichiro Ushijima, Manoj Das, Takuya Ohkubo, and Hidetoshi Katori, Optical lattice clocks with 87Sr in a cryogenic environment, The 5th International workshop on ultracold groupⅡatoms (2012/10/11) 【poster】.

Kazuhiro Yamanaka, Noriaki Ohmae, Pierre Thoumany, Masao Takamoto, and Hidetoshi Katori, Optical lattice clock based on neutral Hg at RIKEN, The 5th International workshop on ultracold groupⅡatoms (2012/10/11) 【poster】.


2011

Noriaki Ohmae, and Norikatsu Mio, The High Power Light Source for LCGT, Gravitational Waves Advanced Detectors Workshop (GWADW 2011) (2011/5/23) 【oral】.

Tetsuya Ido, Miho Fujieda, Atsushi Yamaguchi, Motohiko Kumagai, Hidekazu Hachisu, and Shigeo Nagano, Tetsushi Takano, Masao Takamoto, and Hidetoshi Katori, Optical direct comparison of two 87Sr lattice clocks using a >50km fiber link, CLEO/QELS: 2011 the Conference on Lasers and Electro-Optics (2011/5/1) 【oral】.

Atsushi Yamaguchi, Motohiko Kumagai, Miho Fujieda, N. Shiga, Shigeo Nagano, Hidekazu Hachisu, Y. Koyama, Tetsuya Ido, Tetsushi Takano, Masao Takamoto, and Hidetoshi Katori, Optical direct comparison of two 87Sr lattice clocks using a > 50 km fiber link, ERATO Macroscopic Quantum Control Conference on ltracold Atoms and Molecules (UCAM2011) (2011/1/24) 【poster】.

Kazuhiro Yamanaka, Hidekazu Hachisu, Tadashi Nonaka, Saneyuki Imamura, Masao Takamoto, and Hidetoshi Katori, Optical lattice clock with neutral mercury atoms, ERATO Macroscopic Quantum Control Conference on ltracold Atoms and Molecules (UCAM2011) (2011/1/24) 【poster】.

Tetsushi Takano, Masao Takamoto, and Hidetoshi Katori, Improvement of isotope shift measurement using two optical lattice clocks, ERATO Macroscopic Quantum Control Conference on ltracold Atoms and Molecules (UCAM2011) (2011/1/24) 【poster】.

Masao Takamoto, Tetsushi Takano, and Hidetoshi Katori, Frequency comparison of two optical lattice clocks with synchronous interrogations, ERATO Macroscopic Quantum Control Conference on ltracold Atoms and Molecules (UCAM2011) (2011/1/24) 【poster】.


~2010

Tetsushi Takano, Masao Takamoto, and Hidetoshi Katori, Frequency comparison between two optical lattice clocks towards 10-16 uncertainty, 22nd International conference on Atomic Physics (2010/7/29) 【poster】.

Koji Hashiguchi, Hidekazu Hachisu, Yoshiaki Nakajima, Hajime Inaba, Masao Takamoto, and Hidetoshi Katori, Laser cooling of Sr atoms on the 3P2-3D3 transition at 2.9 mm, 22nd International conference on Atomic Physics (2010/7/27) 【poster】.

Ichiro Ushijima, Isao Yoshimine, Tetsushi Takano, Masao Takamoto, and Hidetoshi Katori, Laser and evaporative cooling toward Fermi Degenerate 87Sr, 2010 International Symposium on Physics of Quantum Technology, 8TH-14 (2010/4/8) 【poster】.

Masao Takamoto, Tetsushi Takano, and Hidetoshi Katori, Frequency comparison between two optical lattice clocks, 2010 International Symposium on Physics of Quantum Technology, 8TH-14 (2010/4/8) 【poster】.

Tetsushi Takano, Kenichiro Totsuka, Masao Takamoto, and Hidetoshi Katori, Improvement of frequency uncertainty of 3D bosonic optical lattice clock towards 10-16 uncertainty, 2010 International Symposium on Physics of Quantum Technology, 8TH-14 (2010/4/8) 【poster】.

Hidekazu Hachisu, Masao Takamoto and Hidetoshi Katori, Measurement of the blackbody radiation shift using a cryogenic Sr optical lattice clock, 2010 International Symposium on Physics of Quantum Technology, 8TH-14 (2010/4/8) 【poster】.

Koji Hashiguchi, Hidekazu Hachisu, Yoshiaki Nakajima, Hajime Inaba, Masao Takamoto. and Hidetoshi Katori, Magneto-Optical Trapping of Sr atoms on the 3P2-3D3 transition at 2.9 mm, 2010 International Symposium on Physics of Quantum Technology, 8TH-12 (2010/4/8) 【poster】.