Abstract
As a result of the extraordinarily high amplification that can be achieved in stimulated scattering, spontaneously scattered light near the Stokes frequency can be amplified to an intensity that is an appreciable fraction of the intensity of the pump wave. Since spontaneous scattering is a result of microscopic quantum or classical fluctuations within the medium, it is possible that these microscopic fluctuations can lead to macroscopic, stochastic fluctuations in the amplified Stokes field. Despite the differences in the physical processes that give rise to various types (e.g., Raman, Brillouin) of light scattering, the generated Stokes fields in all cases appear to share similar stochastic dynamics. These characteristics features include fluctuations in the intensity, gain-narrowing of the spectrum, and phase jumps in the field.
© 1994 Optical Society of America
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