Frequency comparison of optical lattice clocks beyond the Dick limit
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A clock elevated above the geoid experiences a gravitational blueshift, as well as a redshift due to increasing centrifugal acceleration.
“A clock that is elevated above the geoid experiences a gravitational blueshift, as well as a redshift due to increasing centrifugal acceleration 51 .”
From Atomic clock performance enabling geodesy below the centimetre level (2018) · cites this paper as [51]
Cites
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“34" language="eng" relation="no" origsrc="yes"> Optical lattice clock”
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Self-citationOptical Frequency Synthesis and Comparison with Uncertainty at the 10 <sup>-19</sup> Level
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Nondestructive measurement of the transition probability in a Sr optical lattice clock
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SPECTROSCOPY OF STRONTIUM ATOMS IN THE LAMB-DICKE CONFINEMENT
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Ludlow, A. D., Boyd, M. M., Ye, J., Peik, E., & Schmidt, P. O. (2015) · Reviews of Modern Physics · doi:10.1103/revmodphys.87.637 · Cited by 2,385 · see citing works
Atomic clock performance enabling geodesy below the centimetre level
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Cryogenic optical lattice clocks
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Self-citationTest of general relativity by a pair of transportable optical lattice clocks
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Self-citationDemonstration of 4.8 × 10−17 stability at 1 s for two independent optical clocks
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“Typically, OLCs operate at a stability above this limit due to the Dick effect [79]; however, operation at or near the QPN limit has been demonstrated in systems through synchronous interrogation of two clocks [126, 161] or interleaved interrogation of two clocks with zero dead time [144].”
BackgroundExperimental realization of an optical second with strontium lattice clocks
Le Targat, R., Lorini, L., Le Coq, Y., Zawada, M., Guéna, J., Abgrall, M., Gurov, M., Rosenbusch, P., Rovera, D. G., Nagórny, B., et al. (2013) · Nature Communications · doi:10.1038/ncomms3109 · Cited by 250 · see citing works
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Self-citationFrequency ratio of Yb and Sr clocks with 5 × 10−17 uncertainty at 150 seconds averaging time
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Self-citationCs-based optical frequency measurement using cross-linked optical and microwave oscillators
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Self-citationChirped frequency transfer: A tool for synchronization and time transfer
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- Authors
- Takamoto, M., Takano, T., & Katori, H.
- Affiliations
- Japan Science and Technology Agency (JP)
- Venue
- Nature Photonics
- Published
- 2011-04-03
- Volume
- 5
- Issue
- 5
- Pages
- 288-292
- ISSN
- 1749-4885 (ISSN-L)
- 1749-4893
- OpenAlex
- W1965843696
- Cited by
- 154
- References
- 32
- Citations by year
- 2026: 3 · 2025: 11 · 2024: 8 · 2023: 8 · 2022: 11 · 2021: 3 · 2020: 18 · 2019: 10 · 2018: 6 · 2017: 10 · 2016: 10 · 2015: 10 · 2014: 11 · 2013: 18 · 2012: 11
- FWCI
- 7.99
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Nature Photonics (publishedVersion)
- Funders
- Ministry of Education, Culture, Sports, Science and Technology
- Japan Society for the Promotion of Science
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Advanced Frequency and Time Standards
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Cold Atom Physics and Bose-Einstein Condensates
- Keywords
- optical lattice clock, Dick effect, quantum projection noise, frequency comparison, strontium-87, strontium-88, clock stability, local oscillator noise, Allan deviation, clock synchronization, relativistic geodesy
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