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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 4 — Feb. 13, 2012
  • pp: 4346–4351

Enhancing electromagnetically-induced transparency in a multilevel broadened medium

M. Scherman, O. S. Mishina, P. Lombardi, E. Giacobino, and J. Laurat  »View Author Affiliations


Optics Express, Vol. 20, Issue 4, pp. 4346-4351 (2012)
http://dx.doi.org/10.1364/OE.20.004346


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Abstract

Electromagnetically-induced transparency has become an important tool to control the optical properties of dense media. However, in a broad class of systems, the interplay between inhomogeneous broadening and the existence of several excited levels may lead to a vanishing transparency. Here, by identifying the underlying physical mechanisms resulting in this effect, we show that transparency can be strongly enhanced. We thereby demonstrate a 5-fold enhancement in a room-temperature vapor of alkali-metal atoms via a specific shaping of the atomic velocity distribution.

© 2012 OSA

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(020.2930) Atomic and molecular physics : Hyperfine structure
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Atomic and Molecular Physics

History
Original Manuscript: December 5, 2011
Revised Manuscript: January 25, 2012
Manuscript Accepted: January 28, 2012
Published: February 7, 2012

Citation
M. Scherman, O. S. Mishina, P. Lombardi, E. Giacobino, and J. Laurat, "Enhancing electromagnetically-induced transparency in a multilevel broadened medium," Opt. Express 20, 4346-4351 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-4-4346


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