The 18th International Theophilus Symposium (IFAC-2022) on Spectroscopy of Crystals Activated by Ions of Rare Earths and Transition Metals (August 22-26, 2022, Moscow)
Nonlinear optics

Electromagnetically induced transparency in cells of finite size with anti-relaxation wall coating

G. V. Voloshin

Peter the Great St. Petersburg Polytechnic University, St. Petersburg, Russia

Abstract: In this paper, we propose an approach that makes it possible to obtain an analytical expression of the spectral dependence of the resonance of electromagnetically induced transparency detected by bichromatic radiation in a cell of finite size in the longitudinal direction of the laser beam. Specular and diffuse reflections of atoms from walls are considered. It was found that a significant difference between these types of reflections takes place only for cells of small longitudinal dimensions compared to the splitting wavelength of the ground state of atoms. A physical explanation is proposed for the difference between the Stokes and anti-Stokes scattering channels of probe radiation in terms of dressed states.

Keywords: electromagnetically induced transparency, gas cell, antirelaxation coating, diffuse reflection, specular reflection.

Received: 24.09.2022
Revised: 27.12.2022
Accepted: 11.01.2023

DOI: 10.21883/OS.2023.05.55707.51-22

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