Ultraslow propagation of an optical pulse in a three-state active Raman gain medium

K. J. Jiang, L. Deng, M. G. Payne

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41 Scopus citations

Abstract

We investigate an active Raman gain scheme for significant group velocity reduction. We show that this scheme, which is fundamentally different from the electromagnetically induced transparency scheme, is capable of achieving ultraslow and distortion-free propagation of a pulsed probe field. We demonstrate the group velocity behavior that is drastically different from the conventional electromagnetically induced transparency scheme, and we show that the new scheme can be used to accurately determine the decoherence rate of a long-lived state. In addition, the Raman gain scheme has the advantage of being broadly tunable, an important feature that may have potential applications.

Original languageEnglish
Article number041803
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume74
Issue number4
DOIs
StatePublished - 2006

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