Superluminal pulse transmission through a phase-conjugating mirror

Details Superluminal pulse transmission through a phase-conjugating mirror Superluminal pulse transmission through a phase-conjugating mirror

1997-11-13

arxiv.org/abs/physics/9711011v1

Opt. Comm. 148, 295 (1998)

Physics

Optics

4 pages, 3 figures, RevTex

Scientific paper

10.1016/S0030-4018(97)00682-2

We theoretically analyze wave packet transmission through a phase-conjugating mirror and show that the transmission of a suitably chosen input pulse is superluminal, i.e. the peak of the pulse emerges from the mirror before the time it takes to travel the same distance in vacuum. This pulse reshaping effect can be attributed directly to the dispersion relation in the nonlinear medium constituting the mirror. Thus, for the first time a connection is laid between optical phase conjugation and superluminal behavior. In view of its additional amplifying ability, a phase-conjugating mirror is a most promising candidate for an experimental observation of tachyonic signatures.

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