Effects of strong driving field and spontaneous decay in resonant four-wave mixing

S. A. Babin; E. V. Podivilov; D. A. Shapiro

doi:10.1117/12.328245

21 October 1998 Effects of strong driving field and spontaneous decay in resonant four-wave mixing

S. A. Babin, E. V. Podivilov, D. A. Shapiro

Proceedings Volume 3485, 11th International Vavilov Conference on Nonlinear Optics; (1998) https://doi.org/10.1117/12.328245
Event: Eleventh International Vavilov Conference on Nonlinear Optics, 1997, Novosibirsk, Russian Federation

Abstract

The explicit solution is obtained for four-wave mixing of two strong driving fields at opposite transitions and two weak fields in a four-level system with the large Doppler width. In zero order of the perturbation theory there are two independent two-level systems. A pair of weak fields probe two other allowed transitions. The resonance of the mixing coefficient dependence on intensity is found around equal Rabi splitting in both two level systems. The effect is interpreted as an intersection of quasi-energy levels. Up to 6 peaks appear in the dependence of conversion coefficient on the detuning of the probe field, two of them are a consequence of averaging over velocities and disappear at low temperature. The results allow us to explain the recent experiments on the mixing in sodium vapor.

Citation Download Citation

S. A. Babin, E. V. Podivilov, and D. A. Shapiro "Effects of strong driving field and spontaneous decay in resonant four-wave mixing", Proc. SPIE 3485, 11th International Vavilov Conference on Nonlinear Optics, (21 October 1998); https://doi.org/10.1117/12.328245

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