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Optics Communications

Coherent nonstationary magnetooptic processes due to anisotropic relaxation

G. N. Nikolaev

Published Sep 1, 1985• 0 citations
Publisher
DOI
10.1016/0030-4018(85)90039-2

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The general nonstationary theory of propagation of an elliptically polarized pulse resonantly interacting with the 1/2–1/2 transition is presented. The theory that takes into account relaxation processes is developed in terms of irreducible tensor operator representation allowing diagonalization of the relaxation matrix and introduction of effective decay times governing relaxation of both population and coherence between magnetic sublevels of the resonant system. It is shown that interference of magnetic sublevels in the field of polarized radiation that optically pumps the atoms can result in inversionless amplification of radiation.