Quantum effects in the cooperative scattering of light by atomic clouds

Lorenzo Pucci, Analabha Roy, Tiago Santiago do Espirito Santo, Robin Kaiser, Michael Kastner, and Romain Bachelard
Phys. Rev. A 95, 053625 – Published 22 May 2017

Abstract

Scattering of classical light by atomic clouds induces photon-mediated effective long-range interactions between the atoms and leads to cooperative effects even at low atomic densities. We introduce a simulation technique that allows us to investigate the quantum regime of the dynamics of large clouds of atoms. We show that the fluorescence spectrum of the cloud can be used to probe genuine quantum cooperative effects. Signatures of these effects are the occurrence, and the scaling behavior, of additional sidebands at twice the frequency of the classical Mollow sidebands, as well as an asymmetry of the Mollow triplet.

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  • Received 15 January 2017

DOI:https://doi.org/10.1103/PhysRevA.95.053625

©2017 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Lorenzo Pucci1, Analabha Roy1,*, Tiago Santiago do Espirito Santo2, Robin Kaiser3, Michael Kastner1,4, and Romain Bachelard2,†

  • 1National Institute for Theoretical Physics (NITheP), Stellenbosch 7600, South Africa
  • 2Instituto de Física de São Carlos, Universidade de São Paulo, 13560-970 São Carlos, São Paulo, Brazil
  • 3Université de Nice Sophia Antipolis, CNRS, Institut de Physique de Nice, UMR 7335, F-06560 Valbonne, France
  • 4Institute of Theoretical Physics, Department of Physics, University of Stellenbosch, Stellenbosch 7600, South Africa

  • *Current address: Department of Physics, The University of Burdwan, Golapbag Campus, Barddhaman 713104, India.
  • bachelard.romain@gmail.com

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Issue

Vol. 95, Iss. 5 — May 2017

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