A multiwave mixing model of photorefractive mutually-pumped phase conjugation

Photorefractive mutually pumped phase conjugation with partially coherent beams

Mutually-Pumped Phase Conjugation in Photorefractive Materials.

Mutually pumped phase conjugation of three incoherent beams with a novel photorefractive crystal

Theory of a “stimulated photorefractive backscattering and four-wave mixing” self-pumped phase conjugator

Phase conjugation of mutually incoherent light beams in a photorefractive medium

Photorefractive phase conjugation with orthogonally polarized pumping beams (A)