Presentations
Invited Talks
Mar 14, 2024 Nuclear and particle physics with cold ytterbium and Rydberg atoms, The 15th International Workshop on Fundamental Physics Using Atoms (FPUA2024), Okayama University
Jan 23, 2024 冷却原子を用いた素粒子・宇宙物理的探索(Searches oriented to particle and astrophysics with cold atoms, in Japanese), 素粒子・宇宙・重力と量子センシング 第1回「原子干渉計と重力波観測」(Quantum sensing and elementary particle, universe, and gravity, First meeting "Atom interferometry and gravitational wave detection), Kyushu University
Aug 3, 2023 精密分光を用いた素粒子物理的探索(Searches oriented to particle physics with precision spectroscopy, in Japanese), 5th Atom-no-kai, Nagoya
Jan 12, 2023 Searches for New Physics with Atomic Clocks, Workshop on Quantum Information Science with Cold Atoms 2023, online
Dec 1, 2022 Dark Matter Searches with Quantum Measurements, Kashiwa Dark Matter Symposium 2022, the University of Tokyo
Jun 30, 2022 イッテルビウムの精密分光を用いた暗黒物質探索 [Dark matter search with precision spectroscopy of ytterbium, in Japanese], First meeting of Investigating R&D committee on electronic circuit technology toward physical and engineering innovation due to new types of precise measurements, Tokyo
Feb 22, 2022 Control and characterization of optically-levitated microspheres for applications to fundamental physics, The 3rd International Symposium on Dynamics in Artificial Quantum Systems (online symposium)
Jun 17, 2020 Precision Measurements with Ytterbium for Searches for Physics beyond the Standard Model, TRIUMF
Mar 26, 2020 Precision Measurements with Ytterbium for Searches for Physics beyond the Standard Model, Precision Probes of the Standard Model, Heidelberg University
Feb 2, 2020 Search for non-Newtonian Gravity with Optically-Levitated Microspheres, PhotonicsWest2020
Nov 19, 2019 Search for non-Newtonian Gravity with Optically-Levitated Microspheres, Purdue University
Sep 27, 2019 Precision Measurements with Ytterbium: from a Spin Squeezed Atomic Clock to an Isotope Shift Measurement for a Search for Physics beyond Standard Model, RIKEN
Feb 4, 2019 Towards a search for non-Newtonian gravity with optically-levitated microspheres, 1st Arizona Workshop on Precision Search for Fundamental Physics
Dec 19, 2017, Towards Spin Squeezed 171Yb Atomic Clock beyond the Standard Quantum Limit, AIST
Jan 25, 2017, Spin Squeezed 171Yb Atomic Clock beyond the Standard Quantum Limit, HEPL Seminar, Stanford University
Jan 9, 2017, Spin Squeezed 171Yb Atomic Clock beyond the Standard Quantum Limit, TRIUMF
Aug 1, 2016, Progress towards a Spin Squeezed Atomic Clock, Korea Research Institute of Standards and Science
Presentations at Conferences
March 25, 2024 Nuclear and particle physics with cold ytterbium and Rydberg atoms
Akio Kawasaki, Takumi Kobayashi, Akiko Nishiyama, Takehiko Tanabe, Masami Yasuda
Workshop on Frontier of two-electron atoms and cavity QED, Shinjuku
June 7, 2023 Observation of the 4f146s2 1S0-4f135d6s2(J=2) transition at 431 nm in ytterbium
Akio Kawasaki, Takumi Kobayashi, Akiko Nishiyama, Takehiko Tanabe, Masami Yasuda
54th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics, Spokane
May 18, 2023 Contribution to TAI Calibration by NMIJ-Yb1 and Development of a New Ultra-Stable Laser
Akiko Nishiyama, Takumi Kobayashi, Sho Okubo, Daisuke Akamatsu, Kazumoto Hosaka, Yusuke Hisai, Akio Kawasaki, Masato Wada, Hajime Inaba, Takehiko Tanabe, Feng-lei Hong, Masami Yasuda
IEEE IFCS-EFTF 2023, Toyama
May 16, 2023 Absolute Frequency Measurement of NMIJ-Yb1 Referenced to NMIJ-F2 and Search for Dark Matter
Takumi Kobayashi, Akifumi Takamizawa, Daisuke Akamatsu, Akio Kawasaki, Akiko Nishiyama, Kazumoto Hosaka, Yusuke Hisai, Masato Wada, Hajime Inaba, Takehiko Tanabe, and Masami Yasuda IEEE IFCS-EFTF 2023, Toyama
Mar 9, 2023 Fifth-force search with trapped Yb ions
Diana Aude Craik, Joonseok Hur, Ian Counts, Evgenii Kniazev, Luke Caldwell, Calvin Leung, Amy Geddes, Julian Berengut, Swadha Pandey, Akio Kawasaki, Paul-Gerhard Reinhard, Witold Nazarewicz, Honggi Jeon, Wonho Jhe, Vladan Vuletić
SPIE Quantum West 2023, San Francisco
Dec 14, 2022 Current status and future prospects of the Yb optical lattice clock NMIJ-Yb1
Akiko Nishiyama, Takumi Kobayashi, Sho Okubo, Daisuke Akamatsu, Kazumoto Hosaka, Yusuke Hisai, Akio Kawasaki, Masato Wada, Hajime Inaba, Takehiko Tanabe, Feng-Lei Hong, and Masami Yasuda
Conference on Precision Electromagnetic Measurements 2022, Wellington, New Zealand
May 31, 2022 Fifth-force search with isotope-shift spectroscopy in Yb+
Diana P. L. Aude Craik, Joonseok Hur, Eugene Knyazev, Ian T. Counts, Luke A. Caldwell, Calvin Leung, Swadha Pandey, Julian C. Berengut, Amy Geddes, Witold Nazarewicz, Paul-Gerhard Reinhard, Akio Kawasaki, Honggi Jeon, Wonho Jhe, Vladan Vuletić
53rd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics, Orlando
May 31, 2022 Search for the 4f146s2 1S0-4f135d6s2(J=2) transition in Yb towards a search for the time variation of fine structure constant
Akio Kawasaki, Takumi Kobayashi, Akiko Nishiyama, Takehiko Tanabe, Masami Yasuda
53rd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics, Orlando (The conference is hybrid, and this presentation is delivered online)
May 31, 2022 A background-free optically levitated charge sensor
Nadav Priel, Alexander Fieguth, Emmett Hough, Charles P. Blakemore, Akio Kawasaki, Denzal Martin, Gautam Venugopalan, Giorgio Gratta
53rd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics, Orlando
May 31, 2022 Librational feedback cooling with spinning silica microspheres
Charles P. Blakemore, Denzal Martin, Alexander Fieguth, Nadav Priel, Gautam Venugopalan, Akio Kawasaki, Giorgio Gratta
53rd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics, Orlando
Apr 11, 2022 First search for new forces at the micron scale using optically levitated microspheres
Alexander Fieguth, Akio Kawasaki, Charles P. Blakemore, Alexander Rider, Giorgio Gratta, Nadav Priel
APS April Meeting 2022, New York
Apr 10, 2022 Neutrality of matter search with levitated microspheres
Nadav Priel, Alexander Fieguth, Charles P. Blakemore, Emmett Hough, Akio Kawasaki, Denzal Martin, Gautam Venugopalan, Giorgio Gratta
APS April Meeting 2022, New York
Mar 22, 2022 UTC(NMIJ)の現状とその堅牢化に向けた取り組み (in Japanese)
Takehiko Tanabe, Takumi Kobayashi, Akiko Nishiyama, Akio Iwasa, A. Kawasaki, Masami Yasuda
The 69th JSAP Spring Meeting 2022, Aoyama Gakuin University
Mar 14, 2022 First search for non-Newtonian interactions at micrometer scale with a levitated test mass
Charles P. Blakemore, Alexander Fieguth, Akio Kawasaki, Nadav Priel, Denzal Martin, Alexander Rider, Qidong Wang, Giorgio Gratta
APS March Meeting 2022, Chicago
Mar 9, 2022 Feedback cooling of a librational degree of freedom of an optically levitated microsphere
Charles P. Blakemore, Denzal Martin, Alexander Fieguth, Nadav Priel, Akio Kawasaki, Giorgio Gratta
SPIE OPTO, San Francisco
Jan 25, 2022 Feedback cooling of a librational degree of freedom of an optically levitated microsphere
Charles P. Blakemore, Denzal Martin, Alexander Fieguth, Nadav Priel, Akio Kawasaki, Giorgio Gratta
Photonics West 2022, San Francisco
Nov 11, 2021 Contribution to International Atomic Time by the nearly continuous operation of an Yb optical lattice clock
T. Kobayashi, D. Akamatsu, K. Hosaka, Y. Hisai, A. Nishiyama, A. Kawasaki, M. Wada, H. Inaba, T. Tanabe, F.-L. Hong, M. Yasuda
Asia Pacific Workshop on Time and Frequency ATF2021 (Online Conference)
Sep 1, 2021 First search for new forces at the micron scale using optically levitated microspheres
Alexander Fieguth, Akio Kawasaki, Charles P. Blakemore, Nadav Priel, Alexander Rider, Giorgio Gratta, Qidong Wang
17th International Conference on Topics in Astroparticle and Underground Physics (TAUP 2021) (Online Conference)
Jun 2, 2021 Search for non-Newtonian interactions at micrometer scale with a levitated test mass
Nadav Priel, Charles P. Blakemore, Alexander Fieguth, Akio Kawasaki, Denzal O. Martin, Alexander Rider, Qidong Wang, Giorgio Gratta
52nd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics (Online Conference)
Nov 3, 2020 Demonstration of spin squeezing in an optical clock transition
Simone Colombo, Edwin Pedrozo-Peñafiel, Chi Shu, Albert Adiyatullin, Zeyang Li, Enrique Mendez, Akio Kawasaki, Boris Braverman, Vladan Vuletic
Quantum Technology International Conference-QTech 2020 (Online Conference)
Aug 26, 2020 Search for non-Newtonian gravity with optically levitated microspheres
Denzal Martin, Charles P. Blakemore, Alex Fieguth, Akio Kawasaki, Nadav Priel, Giorgio Gratta
Optical Trapping and Optical Micromanipulation XVII (Online Conference, presentation is delivered by Akio Kawasaki on behalf of Denzal Martin)
Jun 5, 2020 An optically-levitated, spinning-rotor vacuum gauge
Charles Blakemore, Denzal Martin, Alexander Fieguth, Akio Kawasaki, Nadav Priel, Alexander Rider, Giorgio Gratta
51st Annual Meeting of the APS Division of Atomic, Molecular, and Optical Physics (Online Conference)
Jun 5, 2020 Librational cooling of electrically-driven and optically-levitated microscopic rotors
Denzal Martin, Charles P. Blakemore, Akio Kawasaki, Alexander Fieguth, Nadav Priel, Alexander D. Rider, Giorgio Gratta
51st Annual Meeting of the APS Division of Atomic, Molecular, and Optical Physics (Online Conference)
Jun 4, 2020 Building Spin-Squeeezed Optical Lattice Clock
Chi Shu, Edwin Pedrozo, Simone Colombo, Albert Adiyatullin, Zeyang Li, Enrique Mendez, Akio Kawasaki, Boris Braverman, Vladan Vuletic
51st Annual Meeting of the APS Division of Atomic, Molecular, and Optical Physics (Online Conference)
Jun 3, 2020 Search for non-Newtonian gravity with optically-levitated microspheres
Akio Kawasaki, Charles P. Blakemore, Alexander Fieguth, Denzal Martin, Nadav Priel, Alexander D. Rider, Giorgio Gratta
51st Annual Meeting of the APS Division of Atomic, Molecular, and Optical Physics (Online Conference)
Apr 20, 2020 Search for non-Newtonian gravity with optically-levitated microspheres
Akio Kawasaki, Charles P. Blakemore, Alexander Fieguth, Denzal Martin, Nadav Priel, Alexander D. Rider, Giorgio Gratta
APS April Meeting 2020 (Online Conference)
Feb 1, 2020 Near-unitary spin squeezing with ytterbium
Boris Braverman, Akio Kawasaki, Edwin Pedrozo-Peñafiel, Simone Colombo, Chi Shu, Zeyang Li, Enrique Mendez, Megan Yamoah, Leonardo Salvi, Daisuke Akamatsu, Yanhong Xiao, Vladan Vuletic
Photonics West 2020
Oct 28, 2019 High Quantum Efficiency, Near Infrared Imaging Array for Micron-scale Gravity Studies
J. Hasi, N. Priel, J. D. Segal, G. Gratta, C. J. Kenney, C. P. Blakemore, A. D. Rider, A. Kawasaki, A. Fieguth
2019 IEEE Nuclear Science Symposium & Medical Imaging Conference
Sep 17, 2019 Search for non-Newtonian gravity with optically-levitated microspheres
Akio Kawasaki, Alexander D. Rider, Charles P. Blakemore, Nadav Priel, Alexander Fieguth, Denzal Martin, Giorgio Gratta
2019 Autumn Meeting, The Physical Society of Japan
Sep 10, 2019 Search for non-Newtonian gravity with optically-levitated microspheres
Akio Kawasaki, Alexander D. Rider, Charles P. Blakemore, Nadav Priel, Alexander Fieguth, Denzal Martin, Giorgio Gratta
16th International Conference on Topics in Astroparticle and Underground Physics
Jun 12, 2019 Near-Unitary Spin Squeezing in 171Yb: Toward Spin Squeezing on an Optical Clock Transition
Edwin Pedrozo-Peñafiel, Boris Braverman, Akio Kawasaki, Simone Colombo, Chi Shu, Zeyang Li, Enrique Mendez, Megan Yamoah, Leonardo Salvi, Daisuke Akamatsu, Yanhong Xiao, Vladan Vuletić
Gordon Research Conference on Atomic Physics (Poster Session)
Jun 12, 2019 Building Optical Lattice Clock Beyond Standard Quantum Limit
Chi Shu, Enrique Mendez, Albert Adiyatullin, Edwin Pedrozo, Simone Colombo, Zeyang Li, Akio Kawasaki, Boris Braverman, and Vladan Vuletić
Gordon Research Conference on Atomic Physics (Poster Session)
Jun 10, 2019 Towards a search for non-Newtonian gravity with optically-levitated microspheres
Akio Kawasaki, Charles P. Blakemore, Alexander Fieguth, Denzal Martin, Nadav Priel, Alexander D. Rider, Giorgio Gratta
Gordon Research Conference on Atomic Physics (Poster Session)
Jun 10, 2019 Opto-mechanical Control and Characterization of Levitated Microspheres as Precision Force Sensors
Charles P. Blakemore, Alexander Fieguth, Akio Kawasaki, Denzal Martin, Nadav Priel, Alexander D. Rider, Giorgio Gratta
Gordon Research Conference on Atomic Physics (Poster Session)
May 30, 2019 Characterization of precision force sensing by optically-levitated microspheres
Akio Kawasaki, Alexander D. Rider, Charles P. Blakemore, Nadav Priel, Alexander Fieguth, Sandip Roy, Giorgio Gratta
50th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics APS Meeting
May 30, 2019 Spinning optically-levitated microspheres by rotating electric fields
Nadav Priel, Alexander D. Rider, Charles P. Blakemore, Akio Kawasaki, Alexander Fieguth, Sandip Roy, Giorgio Gratta
50th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics APS Meeting
Apr 13, 2019 Towards a search for non-Newtonian gravity with optically-levitated microspheres
Charles P. Blakemore, Alexander D. Rider, Akio Kawasaki, Nadav Priel, Alexander Fieguth, Sandip Roy, Giorgio Gratta
APS April Meeting 2019
Aug 20, 2018 Single-beam dielectric-microsphere trapping with optical heterodyne detection: investigating torsional optomechanics and testing fundamental physics
Charles P. Blakemore, Alexander D. Rider, Akio Kawasaki, Giorgio Gratta
Optical Trapping and Optical Micromanipulation XV
Jul 26, 2018 A geometrically asymmetric optical cavity for a spin squeezed 171Yb optical atomic clock
Edwin Pedrozo, Boris Braverman, Akio Kawasaki, Simone Colombo, Chi Shu, Zeyang Li, Vladan Vuletić
The 26th International Conference on Atomic Physics (Poster Session)
Jul 24, 2018 Near-Unitary Spin-Squeezing for Optical Clocks
Simone Colombo, Boris Braverman, Akio Kawasaki, Edwin Pedrozo, Chi Shu, Zeyang Li, Vladan Vuletić
The 26th International Conference on Atomic Physics (Poster Session)
Jul 7, 2018 Limits on non-Newtonian gravity at 10 μm scale by precision force measurements with optically-levitated microspheres
Akio Kawasaki, Alex Rider, Charles Blakemore, Giorgio Gratta
XXXIX International Conference on High Energy Physics
Jun 1, 2018 Toward Unitary Spin Squeezing for Atomic Clocks
Boris Braverman, Akio Kawasaki, Edwin Pedrozo, Chi Shu, Simone Colombo, Zeyang Li, Vladan Vuletić
49th Annual Meeting of the APS DAMOP
Jun 14, 2017 Spin Squeezed 171Yb Atomic Clock beyond the Standard Quantum Limit
Boris Braverman, Akio Kawasaki, Edwin Pedrozo, Yanhong Xiao, Vladan Vuletić
Gordon Research Conference on Atomic Physics (Poster Session)
Jul 28, 2016 Spin Squeezed 171Yb Atomic Clock beyond the Standard Quantum Limit
Akio Kawasaki, Boris Braverman, Leonardo Salvi, Bojan Zlatković, Vladan Vuletić
25th International Conference on Atomic Physics (Poster Session)
May 26, 2016 Generating and probing entangled states for optical atomic clocks
Boris Braverman, Akio Kawasaki, Vladan Vuletić
47th Annual Meeting of the APS DAMOP
May 24, 2016 Magic Wavelength for the Hydrogen 1S-2S Transition
Akio Kawasaki
47th Annual Meeting of the APS DAMOP
Jun 15, 2015 Spin Squeezed 171Yb Atomic Clock beyond the Standard Quantum Limit
Akio Kawasaki, Boris Braverman, David Levonian, André Heinz, Daisuke Akamatsu, Vladan Vuletić
Gordon Research Conference on Atomic Physics (Poster Session)
Jun 11, 2015 Progress toward a spin squeezed optical atomic clock beyond the standard quantum limit
Boris Braverman, Akio Kawasaki, Vladan Vuletić
46th Annual Meeting of the APS DAMOP
Aug 5, 2014 Spin Squeezed 171Yb Atomic Clock beyond the Standard Quantum Limit
Boris Braverman, Akio Kawasaki, Vladan Vuletić
The 24th International Conference on Atomic Physics (Poster Session)
Jun 24, 2013 Spin Squeezed 171Yb Atomic Clock beyond the Standard Quantum Limit
Akio Kawasaki, Boris Braverman, Özge Özel, Tailin Wu, Vladan Vuletić
Gordon Research Conference on Atomic Physics (Poster Session)
Apr 10, 2013 Spin Squeezed 171Yb Atomic Clock beyond the Standard Quantum Limit
Akio Kawasaki, Boris Braverman, Özge Özel, Tailin Wu, Vladan Vuletić
The 11th US-Japan Joint Seminar on Quantum Electronics and Laser Spectroscopy (Poster Session)
Other Talks
Aug 1, 2023, Searches oriented to particle physics with precision spectroscopy Seminar at Ohmori Group, Institute for Molecular Science
Jun 2, 2023, Searches for New Physics with Precision Spectroscopy of Ytterbium Seminar at Gratta Group, Stanford University
May 18, 2023, Control and characterization of optically-levitated microspheres for applications to fundamental physics Seminar at Twamley Group, Okinawa Institute of Science and Technology
Jul 15, 2022, 光格子時計の原子の重力によるデコヒーレンス(in Japanese) Seminar at Yamamoto Group, Kyushu University
Oct 9, 2020, Isotope Shift Measurements in Yb+ to Search for New Boson Atom-no-kai, Online Seminar
Sep 17, 2020, Spin Squeezed 171Yb Atomic Clock beyond Standard Quantum Limit, Atom-no-kai, Online Seminar
Sep 26, 2019, Search for non-Newtonian gravity with optically-levitated microspheres, Seminar at Ando Group, the University of Tokyo
Dec 20, 2017, Towards Spin Squeezed 171Yb Atomic Clock beyond the Standard Quantum Limit, UT-PSC Seminar, the University of Tokyo
Nov 1, 2017, Towards Spin Squeezed 171Yb Atomic Clock beyond the Standard Quantum Limit, HEPL Seminar, Stanford University
Jun 25, 2015, Progress in the Spin Squeezed Atomic Clock Experiment, Seminar at Katori group, RIKEN
Apr 8, 2013, Spin Squeezed 171Yb Atomic Clock beyond the Standard Quantum Limit, Seminar at Hayano Group, the University of Tokyo
Outreach Talks
Oct 29, 2022 時計とは何か?(What is a clock?; in Japanese), つくばサイエンスネットワーク
Feb 6, 2021 세계 최고 정밀도의 시계를 만드는 법-제2부(How to Make the World's Most Precise Clock-Part 2; in Korean), Todam
Jan 23, 2021 世界最高精度の時計の作り方(How to make the world's most precise clock; in Japanese), Michinao Hashimoto's Seminar Series
Jul 17, 2020 世界最高精度の時計を作る方法(A way to make the world's most precise clock; in Japanese), BJAN
Jul 10, 2020 世界最高精度の時計の作り方(How to make the world's most precise clock; in Japanese), JTPA Geek Salon
Dec 5, 2015 중성미자 진동(Neutrino oscillation; in Korean), Todam
Nov 2, 2013 방사능이란 무엇인가?(What is radioactivity?; in Korean), Todam
Mar 23, 2013 세계 최고 정밀도의 시계를 만드는 법(How to Make the World's Most Precise Clock; in Korean), Todam
Sep 22, 2012 時間を測る(Measuring Time; in Japanese), Boston Japanese Researchers Forum
Last update: April 2, 2024