Multicore fiber laser phase-locking by virtue of fractional Talbot effect

Dmitri V. Vysotsky; Nickolai N. Elkin; Anatoly P. Napartovich; Marc Wrage; Peter Glas

doi:10.1117/12.527586

19 November 2003 Multicore fiber laser phase-locking by virtue of fractional Talbot effect

Dmitri V. Vysotsky, Nickolai N. Elkin, Anatoly P. Napartovich, Marc Wrage, Peter Glas

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.527586
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

Multicore fiber (MCF) can absorb pump radiation at small length giving opportunity to construct compact fiber laser. Phase-locking of generation in different microcores improves the output radiation beam quality. We have developed simple analytical description of multiple imaging of periodical field distribution propagating in space -- fractional Talbot effect, and have shown that this effect allows phase-locking MCF ever in the case of large variation of microcore parameters. The reason is all of the microcores to be equally coupled each with other: the global (parallel) coupling. Partial phase-locking has been demonstrated in experiment with fiber laser, consisting from 18-cores MCF and ¼-th Talbot length annular waveguide.

Citation Download Citation

Dmitri V. Vysotsky, Nickolai N. Elkin, Anatoly P. Napartovich, Marc Wrage, and Peter Glas "Multicore fiber laser phase-locking by virtue of fractional Talbot effect", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.527586

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