Line shape of the coherent population trapping resonance in the case of a Gaussian spatial profile of a light beam

V. I. Yudin, M. Yu Basalaev, D. V. Kovalenko, A. V. Taichenachev, J. Pollock, A. Hansen, W. McGehee, J. Kitching

Research output: Contribution to journalArticlepeer-review

Abstract

For coherent population trapping (CPT) resonance excited by a bichromatic field in a closed Λ-system, we have obtained an analytical expression for the line shape in the case of a Gaussian profile of the radiation intensity distribution, taking into account the light shift of the reference transition frequency. Due to the spatial inhomogeneity of the light shift, the line shape is asymmetric. The dependence of the shift of the resonance peak position on the light intenisty is investigated.

Original languageEnglish
Pages (from-to)105-107
Number of pages3
JournalQuantum Electronics
Volume52
Issue number2
DOIs
Publication statusPublished - 1 Feb 2022

Keywords

  • atomic clocks and magnetometers
  • coherent population trapping resonance
  • laser spectroscopy
  • light shift

OECD FOS+WOS

  • 2.02 ELECTRICAL ENG, ELECTRONIC ENG
  • 2.05 MATERIALS ENGINEERING
  • 1.03 PHYSICAL SCIENCES AND ASTRONOMY

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