Coherent control of light field with electromagnetically induced transparency in a dark state Raman coherent tripod system

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dc.creatorLi, YongYao
dc.creatorZhang, HuaRong
dc.creatorChen, YongZhu
dc.creatorZhou, JianYing
dc.date2007-11-27
dc.date2008-01-02
dc.date.accessioned2026-07-07T08:51:43Z
dc.date.available2026-07-07T08:51:43Z
dc.descriptionThe coherent superposition of two-atomic levels induced by coherent population trapping is employed in a standard $Λ$ type scheme to form a tripod-like system. A weak probe pulse scanning across the system is shown to experience a crossover from absorption to transparent and then to amplification. Consequently the group velocity of the probe pulse can be controlled to propagate either as a subluminal, a standard, a superluminal or even a negative speed. It is shown that the propagation behavior of the light field is entirely determined and controlled by the initial states of the coherent superposition.
dc.identifierhttps://arxiv.org/abs/0711.4259
dc.identifierhttp://arxiv.org/abs/0711.4259
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/145030
dc.subjectQuantum Physics
dc.titleCoherent control of light field with electromagnetically induced transparency in a dark state Raman coherent tripod system
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