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Theory of coherent luminescence of inverted systems
Authors:U.H. Kopvillem  V.R. Nagibarov
Affiliation:The Kazan Physico-Technical Institute of the Academy of Sciences of the U.S.S.R., The Kazan State Pedagogical Institute, Kazan, U.S.S.R.
Abstract:A study of a system of N two-level molecules excited by a series of resonant laser pulses is made. Upon inversion such a system may give rise to coherent photon avalanches. If the system is irradiated with a subsequent pulse one should observe “light echoes” whose intensity is proportional to the square of the density of dipole moments of the system.
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