Effect of propagation on pulsed four-wave mixing

P. Weisman, A. D. Wilson-Gordon, H. Friedmann

Research output: Contribution to journalArticlepeer-review


We examine the effect of propagation on the resonance Rabi sideband of the four-wave mixing (FWM) spectrum, obtained when short temporally displaced pump and probe pulses interact with an optically thick medium of two-level atoms. We find that the dependence of the time-integrated FWM signal on the pump-probe delay is considerably altered by propagation. In particular, the logarithm of the FWM signal, for the case where the probe precedes the pump, deviates from linearity and may even increase over a range of values. An explanation is given in terms of the overlap of the pump envelope with the coherent response of the atomic system to the probe, both of which are modified on propagation.

Original languageEnglish
Pages (from-to)6
Number of pages1
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number5
StatePublished - 2000


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