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Proceedings Paper

Multicore fiber laser phase-locking by virtue of fractional Talbot effect
Author(s): Dmitri V. Vysotsky; Nickolai N. Elkin; Anatoly P. Napartovich; Marc Wrage; Peter Glas
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Paper 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.

Paper Details

Date Published: 19 November 2003
PDF: 3 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.527586
Show Author Affiliations
Dmitri V. Vysotsky, Troitsk Institute for Innovation and Fusion Resear (Russia)
Nickolai N. Elkin, Troitsk Institute for Innovation and Fusion Resear (Russia)
Anatoly P. Napartovich, Troitsk Institute for Innovation and Fusion Resear (Russia)
Marc Wrage, Max-Born-Institut (Germany)
Peter Glas, Max-Born-Institut (Germany)


Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life
Giancarlo C. Righini; Anna Consortini, Editor(s)

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