An all-fiber approach for in-phase supermode phase-locked operation of multicore fiber lasers

L. Li; A. Schülzgen; V. L. Temyanko; H. Li; J. V. Moloney; N. Peyghambarian

doi:10.1117/12.701173

21 February 2007 An all-fiber approach for in-phase supermode phase-locked operation of multicore fiber lasers

L. Li, A. Schülzgen, V. L. Temyanko, H. Li, J. V. Moloney, N. Peyghambarian

Proceedings Volume 6453, Fiber Lasers IV: Technology, Systems, and Applications; 64531K (2007) https://doi.org/10.1117/12.701173
Event: Lasers and Applications in Science and Engineering, 2007, San Jose, California, United States

Abstract

An all-fiber approach is utilized to phase lock and select the in-phase supermode of compact multicore fiber lasers. Based on the principles of Talbot imaging and waveguide multimode interference, the fundamental supermode is selectively excited within a completely monolithic fiber device. The all-fiber device is constructed by simply fusion splicing passive non-core optical fibers of controlled lengths at both ends of a piece of multicore fiber. Experimental results upon in-house-made 19- and 37-core fibers are demonstrated, which generate output beams with high-brightness far-field intensity distributions. The whole fabricated multicore fiber laser device can in principle be a single fiber chain that is only ~10 cm in length, aligning-free in operation, and robust against environmental disturbance.

Citation Download Citation

L. Li, A. Schülzgen, V. L. Temyanko, H. Li, J. V. Moloney, and N. Peyghambarian "An all-fiber approach for in-phase supermode phase-locked operation of multicore fiber lasers", Proc. SPIE 6453, Fiber Lasers IV: Technology, Systems, and Applications, 64531K (21 February 2007); https://doi.org/10.1117/12.701173

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