作者: A. M. Basharov
DOI: 10.1134/1.568193
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摘要: It is shown that resonant interaction of a coherent wave with impurity atoms leads to filling levels an atom lie in the gap photon density states and do not belong transitions, while nonresonant results effective deactivation indicated levels. The main mechanism determining pumping decay level are two-photon radiative relaxation processes previously investigated by present author (Zh. Eksp. Teor. Fiz. 102, 1126 (1992) [Sov. Phys. JETP 75, 611 (1992)]).