Yi,ZHENG~(a,b),Feng,SHEN~a a Institute of Optics and Electronics,Chinese Academy of Sciences,Chengdu 610209 b Graduate University of the Chinese Academy of Sciences,Beijing 100039
<正>A new phase locking method for Master Oscillate Power Amplifier(MOPA)coherent combining system is proposed in this paper.The algorithm called Stochastic Parallel Gradient Descent(SPGD)control is adopted to correct piston errors and generate the feedback signals.The capability of this algorithm for coherent combining is demonstrated by simulation, and the relative parameters which directly influence the algorithm's convergence are also analyzed.
Coherent combining;;MOPA;;SPGD;;Adaptive Optics
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