Influence of the dynamic Stark effect on long-term frequency stability of a self-oscillating magnetometer with laser-pumped alkali atoms

This paper presents the results of investigation Stark shift effect influence on the long-term stability of a dual scheme of quantum magnetometers. Such scheme allows suppressing Stark shift components when a certain pumping light polarization is applied. As a result, long-term stability of a quantu...

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Bibliographic Details
Published in:Journal of physics. Conference series 2017-11, Vol.929 (1), p.12067
Main Authors: Baranov, A A, Ermak, S V, Kulachenkov, N K, Petrenko, M V, Sagitov, E A, Semenov, V V
Format: Article
Language:English
Subjects:
Dynamic stability
Frequency shift
Frequency stability
Hyperfine structure
Multiphoton absorption
Physics
Quantum sensors
Stark effect
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Summary:This paper presents the results of investigation Stark shift effect influence on the long-term stability of a dual scheme of quantum magnetometers. Such scheme allows suppressing Stark shift components when a certain pumping light polarization is applied. As a result, long-term stability of a quantum sensor increases. However, when low-frequency (LF) and microwave fields are attached to a single vapor cell a coherence circulation in hyperfine structure of alkali atoms takes place. Physical origin of this effect is associated with the so called "dressed" atom theory, when atom is "dressed" by LF field. It yields in multiphoton absorption and resonance frequency shift. First estimates for this shift based on density matrix evolution formalism are provided in the paper.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/929/1/012067