Atomic clock on the basis of the CPT effect in counter-propagating circularly polarised waves

D. Radnatarov; S. Kobtsev; I. Gromov; P. Kozmina; M. Basalaev; V. Yudin

doi:10.1117/12.2687435

26 November 2023 Atomic clock on the basis of the CPT effect in counter-propagating circularly polarised waves

D. Radnatarov, S. Kobtsev, I. Gromov, P. Kozmina, M. Basalaev, V. Yudin

Proceedings Volume 12775, Quantum and Nonlinear Optics X; 127751G (2023) https://doi.org/10.1117/12.2687435
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Conference Poster

Abstract

This study explores a Rb CPT atomic clock using two counter-propagating waves with orthogonal circular polarisation. By suppressing the optical pumping effect, the clock demonstrates substantial (several times) improvement in CPT contrast compared to the conventional single circularly polarised wave configuration. The use of two counter-propagating beams also allows for positive interference between two photon transitions excited by anti-parallel waves. A double-pass optical layout improves short-term stability by 1.5 times, achieving a result of 4.5×10^–11 over 1 second using a 5-mm long optical cell.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

D. Radnatarov, S. Kobtsev, I. Gromov, P. Kozmina, M. Basalaev, and V. Yudin "Atomic clock on the basis of the CPT effect in counter-propagating circularly polarised waves", Proc. SPIE 12775, Quantum and Nonlinear Optics X, 127751G (26 November 2023); https://doi.org/10.1117/12.2687435

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