Abstract

The effect of polarization controlling on coherent beam combining of two-fiber laser arrays of interferometric configuration is researched. Three kinds of arrays, built on the basis of Michelson and Mach–Zehnder interferometers, are investigated experimentally. It is found that polarization controlling is not necessary for coherent beam combining of the Michelson interferometric array but necessary for that of Mach–Zehnder interferometric arrays. These results reveal the important role of polarization in the self-organization process of interferometric laser arrays.

© 2009 Optical Society of America

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