Abstract
Self-aligning of optical links and good wavefront matching in heterodyne detection can be achieved through the use of phase conjugation. We demonstrate an optical self-aligning link between two mutually incoherent laser sources using photorefractive Fe:KNbO 3 as a double incoherent phase conjugate mirror. The performance of a heterodyne detection system for coherent optical communication based on double incoherent phase conjugation and four-wave mixing phase conjugation is also presented.
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