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Self-Generated Loss of Coherency in Brillouin Scattering and Reduction of Reflectivity
Phys. Rev. Lett. 54, 2230 – Published 20 May, 1985
DOI: https://doi.org/10.1103/PhysRevLett.54.2230
Abstract
Low reflectivity of stimulated Brillouin scattering is shown to result from wave-interaction incoherency caused by the ion sound-wave nonlinearity. The Brillouin reflectivity is numerically found to display a chaotic time evolution at laser fluxes below those at which ion sound-wave harmonic generation takes place. At these fluxes, the scattered light exhibits a spiky frequency spectrum. Scaling laws for the reflectivity are given.
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