Phase Locking of Multichannel Holographic Laser Systems with Long-Range Coupling by Gain Gratings

摘要

At present, the design of self-phase-conjugate lasers with loop cavities upon four-wave mixing by gain gratings in a laser medium is receiving considerable attention [1, 2]. Previously, we proposed [3] a method of phase locking of optically coupled loop laser cavities and experimentally implemented a phase-locked two-channel YAG:Nd laser system using gain gratings. In this study, this method is applied in multichannel holographic laser systems at a long-range coupling of each channel with each of the laser oscillators [4] in the medium of a common active element.