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arXiv 1102.5508quant-phcond-mat.dis-nnphysics.atom-phphysics.optics
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电磁感应透明条件下的相干后向散射

Coherent backscattering under conditions of electromagnetically induced transparency

I. M. Sokolov, D. V. Kupriyanov, M. D. Havey

摘要:

研究了共振控制场对超冷原子系综中光场弱局域化的影响。稳态和脉冲光激发被认为是。我们表明,控制场的存在下,基本上改变了类型的干涉效应发生在多重散射的条件下。例如,对于某些散射偏振通道,控制场的存在可引起相消干涉,通过该相消干涉,通常被认为大于1的增强因子变得小于1。

英文摘要:

We consider the influence of a resonant control field on weak localization of light in ultracold atomic ensembles. Both steady-state and pulsed light excitation are considered. We show that the presence of a control field essentially changes the type of interference effects which occur under conditions of multiple scattering. For example, for some scattering polarization channels the presence of a control field can cause destructive interference through which the enhancement factor, normally considered to be greater than one, becomes less than one.

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