Abstract
We report on a fiber laser configuration, emitting two phase-locked and single mode beams at the output of two multicore fibers. The passive technique is based both on the selective excitation of the only in-phase supermodes of the multicore fibers and on an intra-cavity angular filtering of the emitted beams to provide phase control. As a proof of principle, we experimentally demonstrate the coherent combining of the fundamental in-phase supermodes of two parallel 7-cores fibers.
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Shalaby, B.M., Kermene, V., Pagnoux, D. et al. Phase-locked supermode emissions from a dual multicore fiber laser. Appl. Phys. B 105, 213–217 (2011). https://doi.org/10.1007/s00340-011-4689-7
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DOI: https://doi.org/10.1007/s00340-011-4689-7