Transient-fiber-Bragg grating spectra in self-swept Fabry-Perot fiber lasers

Pavel Peterka; Pavel Honzátko; Pavel Koska; Ondrej Podrazký; Ivan Kašík

doi:10.1117/12.2076359

4 March 2015 Transient-fiber-Bragg grating spectra in self-swept Fabry-Perot fiber lasers

Pavel Peterka, Pavel Honzátko, Pavel Koska, Ondrej Podrazký, Ivan Kašík

Proceedings Volume 9344, Fiber Lasers XII: Technology, Systems, and Applications; 934423 (2015) https://doi.org/10.1117/12.2076359
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

Fiber laser instabilities may significantly influence fiber laser performance. Recently, we have shown that the self-Qswitching instability mode can evolve from the so-called self-induced laser line sweeping (SLLS). The SLLS effect is characterized by quasiperiodic laser line drift in a relatively broad wavelength interval. The SLLS is caused by standing-wave in the cavity. Such regular standing waves series create also significant reflection grating through resonant index change of the rare-earth doped core. We show analysis of the transient gratings spectra, including the effect of superimposed gratings. The numerical model of the fiber laser accounts for the effect of the fiber coiling and twisting on the pump absorption along the active fiber.

Citation Download Citation

Pavel Peterka, Pavel Honzátko, Pavel Koska, Ondrej Podrazký, and Ivan Kašík "Transient-fiber-Bragg grating spectra in self-swept Fabry-Perot fiber lasers", Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 934423 (4 March 2015); https://doi.org/10.1117/12.2076359

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