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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2023, Volume 117, Issue 7, Pages 504–508
DOI: https://doi.org/10.31857/S1234567823070042
(Mi jetpl6906)
 

This article is cited in 5 scientific papers (total in 5 papers)

OPTICS AND NUCLEAR PHYSICS

Active suppression of the light shift in an atomic clock based on coherent population trapping in $^{87}$Rb vapor using the phase jump technique

D. A. Radnatarova, S. M. Kobtseva, V. A. Andryushkova, M. Yu. Basalaevbac, A. V. Taichenachevac, M. D. Radchenkoba, V. I. Yudinabc

a Novosibirsk State University, Novosibirsk, 630090 Russia
b Novosibirsk State Technical University, Novosibirsk, 630073 Russia
c Institute of Laser Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090 Russia
References:
Abstract: The active suppression of light shift of the reference coherent population trapping (CPT) resonance in 87Rb vapor to improve the long-term stability of compact atomic clocks has been demonstrated experimentally. The approach is based on the phase jump technique used to synthesize an error signal, which is proportional to the light shift of the CPT resonance, from an optical transmission signal. The use of this error signal in an additional feedback loop allows one to stabilize the amplitude of a microwave signal for the phase modulation of laser radiation near a value at which the light shift of the CPT resonance is absent. This technique has made it possible to reduce the long-term instability of CPT atomic clocks in our experiments by a factor of 15 at an integration time of 10000–20000 s.
Funding agency Grant number
Russian Science Foundation 21-12-00057
Ministry of Science and Higher Education of the Russian Federation FSUS-2020-0036
This study was supported by the Russian Science Foundation (project no. 21-12-00057) and by the Ministry of Science and Higher Education of the Russian Federation (state assignment no. FSUS-2020-0036, development of a system for active control of the parameters of optical pump radiation).
Received: 28.02.2023
Revised: 03.03.2023
Accepted: 03.03.2023
English version:
Journal of Experimental and Theoretical Physics Letters, 2023, Volume 117, Issue 7, Pages 504–508
DOI: https://doi.org/10.1134/S0021364023600532
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: D. A. Radnatarov, S. M. Kobtsev, V. A. Andryushkov, M. Yu. Basalaev, A. V. Taichenachev, M. D. Radchenko, V. I. Yudin, “Active suppression of the light shift in an atomic clock based on coherent population trapping in $^{87}$Rb vapor using the phase jump technique”, Pis'ma v Zh. Èksper. Teoret. Fiz., 117:7 (2023), 504–508; JETP Letters, 117:7 (2023), 504–508
Citation in format AMSBIB
\Bibitem{RadKobAnd23}
\by D.~A.~Radnatarov, S.~M.~Kobtsev, V.~A.~Andryushkov, M.~Yu.~Basalaev, A.~V.~Taichenachev, M.~D.~Radchenko, V.~I.~Yudin
\paper Active suppression of the light shift in an atomic clock based on coherent population trapping in $^{87}$Rb vapor using the phase jump technique
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2023
\vol 117
\issue 7
\pages 504--508
\mathnet{http://mi.mathnet.ru/jetpl6906}
\crossref{https://doi.org/10.31857/S1234567823070042}
\edn{https://elibrary.ru/jlzcct}
\transl
\jour JETP Letters
\yr 2023
\vol 117
\issue 7
\pages 504--508
\crossref{https://doi.org/10.1134/S0021364023600532}
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  • This publication is cited in the following 5 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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