H. Hachisu

发表

Dark matter searches within the intercontinental optical atomic clock network

R. Ciuryło, J. Lodewyck, A. Ludlow, 2018, 2018 European Frequency and Time Forum (EFTF).

Months-long real-time generation of a time scale based on an optical clock

Y. Hanado, T. Ido, H. Hachisu, 2018, Scientific Reports.

Absolute frequency of 87Sr at 1.8 × 10−16 uncertainty by reference to remote primary frequency standards

T. Gotoh, N. Nemitz, Y. Hanado, 2020, Metrologia.

Intermittent optical frequency measurements to reduce the dead time uncertainty of frequency link

T. Ido, H. Hachisu, 2015, 1508.05996.

Intercontinental comparison of optical atomic clocks through very long baseline interferometry

G. Petit, E. Kawai, G. Maccaferri, 2020, Nature Physics.

Electrodynamic trapping of neutral strontium atoms

H. Katori, J. Fujiki, M. Yasuda, 2005, International Quantum Electronics Conference, 2005..

Optical lattice clocks with non-interacting bosons and fermions

Tomoya Akatsuka, M. Takamoto, H. Katori, 2008, 2008 IEEE International Frequency Control Symposium.

Optical direct comparison of two 87Sr lattice clocks using a >50km fiber link

S. Nagano, T. Takano, M. Takamoto, 2011, CLEO: 2011 - Laser Science to Photonic Applications.

Optical lattice clocks with non-interacting bosons and fermions

M. Takamoto, H. Katori, T. Akatsuka, 2008, FCS 2008.

Frequency ratio of an 115In+ ion clock and a 87Sr optical lattice clock.

K. Hayasaka, Nozomi Ohtsubo, N. Nemitz, 2020, Optics letters.

Optical clock based on a sympathetically-cooled indium ion

K. Hayasaka, Nozomi Ohtsubo, N. Nemitz, 2019, Hyperfine Interactions.

Real signal generation of a time scale based on an optical clock

Y. Hanado, T. Ido, H. Hachisu, 2018, 2018 Conference on Lasers and Electro-Optics (CLEO).

Electrodynamic trapping of spinless neutral atoms with an atom chip.

H. Katori, J. Fujiki, M. Yasuda, 2006, Physical review letters.

Trapping of neutral mercury atoms and prospects for optical lattice clocks.

M. Takamoto, H. Katori, S. Porsev, 2007, Physical review letters.

Design and prototyping of Stark atom chip for electric trapping of laser-cooled atoms

M. Nakao, T. Ooi, K. Nagato, 2006 .

Stability Transfer between Two Clock Lasers Operating at Different Wavelengths for Absolute Frequency Measurement of Clock Transition in 87Sr

Y. Li, S. Nagano, N. Shiga, 2012, 1201.3159.

Optical direct comparison of 87Sr optical lattice clocks using a >50 km telecommunication fiber link

Ying Li, Tetsuya Ido, Miho Fujieda, 2011, Optical Engineering + Applications.

Direct Comparison of Distant Optical Lattice Clocks at the 10-16 Uncertainty

Ying Li, Tetsuya Ido, Miho Fujieda, 2011, 1108.2774.

Direct comparison of a Ca+ single-ion clock against a Sr lattice clock to verify the absolute frequency measurement.

Mizuhiko Hosokawa, Ying Li, Tetsuya Ido, 2012, Optics express.

New bounds on dark matter coupling from a global network of optical atomic clocks

R. Le Targat, P. Wolf, M. Schioppo, 2018, Science Advances.

A ug 2 02 0 Frequency ratio of an 115 In + ion clock and a 87 Sr optical lattice clock

K. Hayasaka, Nozomi Ohtsubo, N. Nemitz, 2020 .

First observation with global network of optical atomic clocks aimed for a dark matter detection.

P. Wolf, R. Ciurylo, M. Schioppo, 2018, 1806.04762.

Absolute frequency measurement with uncertainty below 1 × 10 − 15 using International Atomic Time

G. Petit, T. Ido, H. Hachisu, 2016 .

SI-traceable measurement of an optical frequency at the low 10-16 level without a local primary standard.

G. Petit, Y. Hanado, T. Ido, 2017, Optics express.

Analysis of optical atomic clocks readouts aimed on searches for dark-matter signatures

R. Ciuryło, J. Lodewyck, A. Ludlow, 2018, 2018 European Frequency and Time Forum (EFTF).

Absolute frequency measurement with uncertainty below $$1\times 10^{-15}$$1×10-15 using International Atomic Time

Tetsuya Ido, Hidekazu Hachisu, G. Petit, 2016, 1611.08668.

Absolute frequency measurement at 10-16 level based on the international atomic time

M. Kumagai, M. Fujieda, T. Ido, 2016 .

Rapid evaluation of time scale using an optical clock

Yuko Hanado, Fumimaru Nakagawa, Tetsuya Ido, 2016 .

Direct frequency comparison of intercontinentally separated Sr lattice clocks using carrier-phase two-way satellite frequency transfer

S. Falke, S. Nagano, C. Grebing, 2014, International Conference on Foundations of Computer Science.

Direct comparison of optical lattice clocks with an intercontinental baseline of 9000 km.

M Fujieda, D Piester, S. Falke, 2014, Optics letters.

Advanced Satellite-Based Frequency Transfer at the 10−16 Level

Tadahiro Gotoh, Myoung-Sun Heo, Dai-Hyuk Yu, 2017, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control.

All-optical link for direct comparison of distant optical clocks.

Tetsuya Ido, Miho Fujieda, Hidekazu Hachisu, 2011, Optics express.

A broadband VLBI system using transportable stations for geodesy and metrology: an alternative approach to the VGOS concept

G. Petit, E. Kawai, G. Maccaferri, 2021, Journal of Geodesy.

Advanced Satellite-based Frequency Transfer at the 10^{-16} Level

D. Yu, T. Gotoh, Myoung-Sun Heo, 2017, 1710.03147.