Contributors. Preface. Introduction. Optical Phase Conjugation Using Three-Wave and Four-Wave Mixing via Elastic Photon Scattering in Transparent Media. Transient Response of Kerr-like Phase Conjugators. Improvements upon the Simple Theory of Degenerate Four-Wave Mixing. Phase Conjugation by Four-Wave Mixing in a Waveguide. Experimental Investigation of Wave-Front Reversal under Stimulated Scattering. Phase Conjugation by Stimulated Backscattering. Phase Conjugation and High-Resolution Spectroscopy by Resonant Degenerate Four-Wave Mixing. Phase Conjugation from Nonlinear Photon Echoes. Degenerate Four-Wave Mixing in Semiconductors. Optical Phase Conjugation in Photorefractive Materials. Wave-Front Reversal by Reflecting Surface. Optical Resonators Using Phase-Conjugate Mirrors. Applications of Nonlinear Optical Phase Conjugation. Bibliography. Index.