Light-scattering limitations for phase conjugation in optical Kerr media

McGraw, R.; Rogovin, D.; Gavrielides, A.
January 1989
Applied Physics Letters;1/16/1989, Vol. 54 Issue 3, p199
Academic Journal
It is shown that noise from light-scattering fluctuations inherent in an optical Kerr medium sets a lower limit on the incident probe power required to achieve meaningful phase conjugation by four-wave mixing. For visible wavelengths and room temperatures, we determine that about 10 μW of probe power is needed to obtain a signal-to-noise ratio of unity in the conjugate wave for reflectivities that are less than or near the first oscillation condition.


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