Effect of propagation on pulsed four-wave mixing

P. Weisman, A. D. Wilson-Gordon, and H. Friedmann
Phys. Rev. A 61, 053816 – Published 17 April 2000
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Abstract

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.

  • Received 1 November 1999

DOI:https://doi.org/10.1103/PhysRevA.61.053816

©2000 American Physical Society

Authors & Affiliations

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

  • Department of Chemistry, Bar-Ilan University, Ramat Gan 52900, Israel

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Vol. 61, Iss. 5 — May 2000

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