Abstract
The influence of thermal fluctuations on nondegenerate two-wave mixing in the nondepleted pump approximation is examined. For the specific case of an optical Kerr medium the spectrum of both amplitude and phase fluctuations as well as the signal-to-noise ratio are obtained. Detailed calculations suggest that a signal-to-noise ratio of order unity at argon-ion wavelengths and room temperatures requires a probe power of 15 μW in the strong signal regime.
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