Abstract
The possibility of forming a stable optical-acoustic soliton in the regime of electromagnetically induced transparency has been analyzed under the condition that the group velocity of light in a medium with stimulated Mandelstam-Brillouin scattering decreases to the speed of sound. This possibility exists because the forward Mandelstam-Brillouin scattering, which is forbidden in a nondispersive medium, is allowed under this condition. The optical component is an envelope pulse, and the acoustic component has no carrier frequency. It has been shown that such a soliton can be formed for anomalously low input intensities of the optical pulse.
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Translated from Pis’ma v Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, Vol. 81, No. 5, 2005, pp. 259–262.
Original Russian Text Copyright © 2005 by Sazonov.