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Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
Published on: November 22, 2019
Phase locking and coherent combining of high-order-mode fiber lasers
Vardit Eckhouse1, Moti Fridman, Nir Davidson
1Department of Physics of Complex System, Weizmann Institute of Science, Rehovot, Israel. vardit.eckhouse@weizmann.ac.il
Optics Letters
|September 17, 2008
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.

