We have observed a transition from the superluminal to subluminal velocity for optical pulses in the anomalous dispersion region of a resonantly absorbing medium. The pulse velocity is described by a new expression of group velocity using the saddle point method.
Superluminal pulse propagation and group velocity in anomalous dispersion region of an absorbing medium
01.01.2001
154216 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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