Transient dispersion and absorption in a V-shaped atomic system

M. Sahrai; A. Maleki; R. Hemmati; M. Mahmoudi

doi:10.1140/epjd/e2009-00274-6

Transient dispersion and absorption in a V-shaped atomic system

M. Sahrai^*, A. Maleki, R. Hemmati, M. Mahmoudi

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

Abstract

We investigate the dynamical behavior of the dispersion and the absorption in a V-type three level atomic system. It is shown that in the presence of decay-induced interference the probe dispersion and absorption are phase dependent. We find that an incoherent pumping field provides an additional control parameter for switching the group velocity of a light pulse. The required switching times for switching the group velocity of a probe field from subluminal to superluminal pulse propagation is then discussed.

Original language	English
Pages (from-to)	105-112
Number of pages	8
Journal	European Physical Journal D
Volume	56
Issue number	1
DOIs	https://doi.org/10.1140/epjd/e2009-00274-6
Publication status	Published - Jan 2010
Externally published	Yes

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AB - We investigate the dynamical behavior of the dispersion and the absorption in a V-type three level atomic system. It is shown that in the presence of decay-induced interference the probe dispersion and absorption are phase dependent. We find that an incoherent pumping field provides an additional control parameter for switching the group velocity of a light pulse. The required switching times for switching the group velocity of a probe field from subluminal to superluminal pulse propagation is then discussed.

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Transient dispersion and absorption in a V-shaped atomic system

Abstract

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