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arXiv · 1409.7882

Superluminal two-color light in multiple Raman gain medium

V. Kudriašov·J. Ruseckas·A. Mekys·A. Ekers·N. Bezuglov·G. Juzeliūnas
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Abstract

We investigate theoretically the formation of two-component light with superluminal group velocity in a medium controlled by four Raman pump fields. In such an optical scheme only a particular combination of the probe fields is coupled to the matter and exhibits superluminal propagation, the orthogonal combination is uncoupled. The individual probe fields do not have a definite group velocity in the medium. Calculations demonstrate that this superluminal component experiences an envelope advancement in the medium with respect to the propagation in vacuum.

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V. Kudriašov, J. Ruseckas, A. Mekys, A. Ekers, N. Bezuglov, G. Juzeliūnas. 2014-09-28. Superluminal two-color light in multiple Raman gain medium. https://doi.org/10.1103/physreva.90.033827

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