Abstract

We present a method for the coherent coupling of single-mode fiber lasers that produces a single Gaussian output beam. The output and the spectral properties of an experimental device composed of three coupled Nd3+ single-mode fiber lasers have been studied. For different coupling conditions, typically 70% of the total output power has been produced in a single beam. The dynamic behavior of the emission spectrum is discussed.

© 1993 Optical Society of America

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