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Free keywords:
Beam splitters; Coherent states; Fiber lasers; High power fiber lasers; High power lasers; Phase noise
Abstract:
Coherent beam combining refers to the process of generating a bright output beam by merging independent input beams with locked relative phases. We report the first quantum mechanical noise limit calculations for coherent beam combining and compare our results to quantum-limited amplification. We highlight a favourable noise scaling for both pure and noisy input states.
