その他講演

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, 21 November 2017【poster】

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

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, 13 July 2017. 【oral】

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), 2-8 July 2017.【oral】

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) 2-8 July 2017. 【oral】

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, 24-29 July 2016. 【oral】

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, 24-29 July 2016. (2016/7/24-29) 【oral】

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 , 24-29 July 2016.【oral】

Masao Takamoto, Precision metrology with optical lattice clocks, UBIAS International Academia Nagoya Workshop 9 Marchi 2016. 【oral】

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, 12-16 October 2015. 【poster】

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, 21 September 2015.【poster】

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

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, 22 June 2015.【oral】

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, 14 April 2015.【oral】

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, 21 May 2014. 【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), 14-15 March 2014.【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, 25 July 2013.【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, 24 July 2013.【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, 22-25 July 2013.【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, 17 July 2013.【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, 17 July 2013.【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, 17 July 2013. 【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, June 2013.【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, June 2013.【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, 5-10 April 2013.【poster】

Shouichi Okaba,Tethushi Takano, and Hidetoshi Katori, Precision spectroscopy of atoms inside hollow core fiber, US-JAPAN Joint seminar 2013, 5-10 April 2013.【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, 7 Feburuay 2013.【poster】

2012

Ichiro Ushijima, Das Manoj, Takuya Okubo, Tetsushi Takano, Masao Takamoto and Hidetoshi Katori, Optical lattice clocks with 87Sr in a cryogenic environment, GCOE International Symposium on Physical Sciences Frontier, 8 December 2012.【poster】

Hidetoshi Katori, Development of Optical Lattice Clocks Aiming at 10-18 Uncertainties, GCOE International Symposium on Physical Sciences Frontier, 8 December 2012.【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, 7 November 2012.【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, 11 October 2012.【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, 11 October 2012.【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, 11 October 2012.【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 groupⅡatoms11 October 2012.【poster】

2011

Noriaki Ohmae, and Norikatsu Mio, The High Power Light Source for LCGT, Gravitational Waves Advanced Detectors Workshop (GWADW 2011), 23 May 2011.【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, 1 May 2011.【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), 24 January 2011.【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), 24 January 2011.【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), 24 January 2011.【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), 24 January 2011【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, 29 July 2010. 【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, 27 July 2010.【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, 8 April 2010.【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, 8 April 2010.【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, 8 April 2010. 【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, 8 April 2010. 【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, 8 April 2010.【poster】