Abstract

Efficient free-space configurations for phase locking and coherent addition of two fiber lasers, each operating with a high-order mode, are presented. Experimental results reveal that when the two fiber lasers are coupled, the polarization and modal distribution of one are imposed on the other. Coherent addition with a combining efficiency larger than 90% was achieved.

© 2008 Optical Society of America

Diffractive-optics-based beam combination of a phase-locked fiber laser array

Eric C. Cheung, James G. Ho, Gregory D. Goodno, Robert R. Rice, Josh Rothenberg, Peter Thielen, Mark Weber, and Michael Wickham
Opt. Lett. 33(4) 354-356 (2008)

Intracavity coherent addition of single high-order modes

A. A. Ishaaya, V. Eckhouse, L. Shimshi, N. Davidson, and A. A. Friesem
Opt. Lett. 30(14) 1770-1772 (2005)

Phase locking of lasers with intracavity polarization elements

E. Ronen, M. Fridman, M. Nixon, A. A. Friesem, and N. Davidson
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Simultaneous coherent and spectral addition of fiber lasers

Moti Fridman, Vardit Eckhouse, Nir Davidson, and Asher A. Friesem
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Efficient coherent addition of fiber lasers in free space

Moti Fridman, Vardit Eckhouse, Nir Davidson, and Asher A. Friesem
Opt. Lett. 32(7) 790-792 (2007)