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Article Dans Une Revue Optics Express Année : 2012

Enhancing electromagnetically-induced transparency in a multilevel broadened medium

Résumé

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.
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Dates et versions

hal-00598087 , version 1 (03-06-2011)
hal-00598087 , version 2 (21-06-2011)
hal-00598087 , version 3 (26-01-2012)

Identifiants

Citer

M. Scherman, O.S. Mishina, P. Lombardi, E. Giacobino, J. Laurat. Enhancing electromagnetically-induced transparency in a multilevel broadened medium. Optics Express, 2012, 20 (4), pp.4346. ⟨10.1364/OE.20.004346⟩. ⟨hal-00598087v3⟩
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