Enhancing electromagnetically-induced transparency in a multilevel broadened medium

被引：13

作者：

Scherman, M. ^{[1
]}

Mishina, O. S. ^{[1
]}

Lombardi, P. ^{[1
]}

Giacobino, E. ^{[1
]}

Laurat, J. ^{[1
]}

机构：

[1] Univ Paris 06, Lab Kastler Brossel, Ecole Normale Super, CNRS, F-75252 Paris 05, France

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 04期

关键词：

LIGHT; STORAGE;

D O I：

10.1364/OE.20.004346

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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. (C) 2012 Optical Society of America

引用

页码：4346 / 4351

页数：6

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