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Definition of "self-pumped phase conjugator (SPPC)" |
a phase conjugator that does not require the external pumping beams. Optical four-wave mixing is a convenient method for the generation of phase conjugate waves. However, the process requires a pair of counter propagating pump beams. With a self-pumped phase conjugator, an incident beam will pump the photorefractive medium and generate its own phase conjugate wave. There are many physical mechanisms that can yield self-pumped phase conjugation, for example, SPPC with resonators, SPPC with semiresonators, SPPC with stimulated backward scattering, etc. |
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