Quantum interference in interacting three-level Rydberg gases: coherent population trapping and electromagnetically induced transparency

S Sevinçli, C Ates, T Pohl, H Schempp, C S Hofmann, G Günter, T Amthor, M Weidemüller, J D Pritchard, D Maxwell, A Gauguet, K J Weatherill, M P A Jones, C S Adams

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45 Citations (Scopus)

Abstract

In this paper, we consider the effects of strong dipole-dipole interactions on three-level interference phenomena such as coherent population trapping and electromagnetically induced transparency. Experiments are performed on laser cooled rubidium atoms and the results compared to a many-body theory based on either a reduced many-body density matrix expansion or Monte Carlo simulations of many-body rate equations. We show that these approaches permit quantitative predictions of the experimentally observed excitation and transmission spectra. Based on the calculations, we moreover predict a universal scaling of the nonlinear response of cold Rydberg gases.

Original languageEnglish
Article number184018
Number of pages7
JournalJournal of Physics B: Atomic, Molecular and Optical Physics
Volume44
Issue number18
DOIs
Publication statusPublished - 14 Sep 2011

Keywords

  • Rydberg atoms
  • electromagnetically induced transparency
  • quantum interference
  • three-level atoms
  • laser beams
  • laser fields
  • ground state
  • excitations
  • Rydberg state
  • dark state
  • atoms

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