Abstract
In this paper, we investigated the coherent degenerate and nondegenerate four-wave interaction in the propagation of a femtosecond laser pulse in atomic rubidium vapor. In the case of degenerate four-wave interaction, the mechanism for optical switching in an optically dense resonant medium is considered. The third-order nonlinear interaction of the laser beams intersecting in the cell at a small angle leads to a nonlinear response in the form of a fourth beam, which occurs as a result of the interaction between the two pump beams and the third signal laser beam.
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Original Russian Text © A.A. Preobrazhenskaya, D.Yu. Preobrazhenskii, A.A. Pastor, P.Yu. Serdobintsev, 2015, published in Khimicheskaya Fizika, 2015, Vol. 34, No. 8, pp. 49–51.
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Preobrazhenskaya, A.A., Preobrazhenskii, D.Y., Pastor, A.A. et al. Study of four-wave mixing in the femtosecond laser pulse propagation near the resonance rubidium doublet. Russ. J. Phys. Chem. B 9, 552–554 (2015). https://doi.org/10.1134/S1990793115040302
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DOI: https://doi.org/10.1134/S1990793115040302