Abstract
In stimulated Raman scattering spectra in a lithium tantalate single crystal, for the forward scattering geometry, intense Stokes and anti-Stokes satellites are observed. For the first time, stimulated Raman scattering on compound and overtone transitions with an intensity of 10–50% of the fundamental tone has been discovered. The possibility of the formation of coupled antipolar excitations in stimulated Raman scattering in ferroelectric crystals is substantiated theoretically.
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