Abstract

We present measurements of the dependence of the phase-conjugate reflectivity on signal frequency for Brillouin-enhanced four-wave mixing at pump intensities above the threshold instability. The measurements were made in TiCl₄ at λ = 1 μm and are consistent with a computer model of the reflectivity. We have observed that the frequency of the conjugate beam is independent of the frequency of the input signal beam in the unstable regime.

© 1990 Optical Society of America

Beam coupling, stimulated Brillouin scattering, and four-wave mixing

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