21 October 1998 Resonant Raman-type mixing using coherent population trapping
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Proceedings Volume 3485, 11th International Vavilov Conference on Nonlinear Optics; (1998) https://doi.org/10.1117/12.328281
Event: Eleventh International Vavilov Conference on Nonlinear Optics, 1997, Novosibirsk, Russian Federation
Abstract
We study resonant four-wave mixing process (omega) 4 equals (omega) 1 minus (omega) 2 plus (omega) 3 under conditions of coherent population trapping (CPT) when radiations with frequencies (omega) 1,2 are strong, and (omega) 1 minus (omega) 2 equals (omega) 20 ((omega) 20 is a frequency of electrodipole-forbidden transition). It is shown that under the CPT sufficiently large nonlinear polarization (the same as linear polarization or higher) may be created. We show that in atomic Ba vapor for cw lasers quantum conversion efficiency can be as high as several tens percent.
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V. G. Arkhipkin, Sergei A. Myslivets, D. V. Manushkin, Alexander K. Popov, "Resonant Raman-type mixing using coherent population trapping", Proc. SPIE 3485, 11th International Vavilov Conference on Nonlinear Optics, (21 October 1998); doi: 10.1117/12.328281; https://doi.org/10.1117/12.328281
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