Atomic absorbers for controlling pulse propagation in resonators.
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We consider pulse propagation through a Fabry-Perot cavity with silver mirrors that contain macroscopic samples of resonant absorbers. We show that the pulse velocity can be tuned from subluminal to superluminal in a strongly coupled atom-cavity system. We delineate the effects of the interplay of cavity and absorbers. We demonstrate the saturation effects of pulse advancement with increasing mirror thickness and atomic damping.
author list (cited authors)
Manga Rao, V., Dutta Gupta, S., & Agarwal, G. S.