Coherent inelastic backscattering of laser light from three isotropic atoms

Andreas Ketterer, Andreas Buchleitner, and Vyacheslav N. Shatokhin
Phys. Rev. A 90, 053839 – Published 20 November 2014

Abstract

We study the impact of double- and triple-scattering contributions on coherent backscattering of laser light from saturated isotropic atoms in the helicity-preserving polarization channel. By using the recently proposed diagrammatic pump-probe approach, we analytically derive single-atom spectral responses to a classical polychromatic driving field, combine them self-consistently to double- and triple-scattering processes, and numerically deduce the corresponding elastic and inelastic spectra, as well as the total backscattered intensities. We find that accounting for the triple-scattering contribution leads to a faster decay of phase-coherence with increasing saturation of the atomic transition as compared with double scattering alone and to a better agreement with the experiment on strontium atoms.

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  • Received 6 September 2014

DOI:https://doi.org/10.1103/PhysRevA.90.053839

©2014 American Physical Society

Authors & Affiliations

Andreas Ketterer*, Andreas Buchleitner, and Vyacheslav N. Shatokhin

  • Physikalisches Institut, Albert-Ludwigs-Universität Freiburg, Hermann-Herder-Str. 3, D-79104 Freiburg, Germany

  • *andreas.ketterer@univ-paris-diderot.fr; Present address: Laboratoire Matériaux et Phénomènes Quantiques, Université Paris Diderot, 10 rue A. Domon et L. Duquet, 75013 Paris, France.

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Vol. 90, Iss. 5 — November 2014

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