Presentation + Paper
25 May 2022 Dynamics of localized spectral modes in random fiber Raman lasers with point-like mirror assisted feedback
Author Affiliations +
Abstract
Random fiber lasers utilizing Rayleigh backscattering possess a stochastic dynamics of the output power right above the threshold with narrow spectral lines appearing in random parts of the generation spectrum. We study the role of the random feedback in formation of these modes. We show that the generation of the localized modes does not require purely random feedback, and those may appear if both Rayleigh backscattering and point-like reflectors with tunable reflectance, based on a Sagnac fiber mirror are included into the laser cavity.
Conference Presentation
© (2022) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Nikolay A. Aprelov, Artem E. Kirik, Ilya D. Vatnik, and Dmitry V. Churkin "Dynamics of localized spectral modes in random fiber Raman lasers with point-like mirror assisted feedback", Proc. SPIE 12143, Nonlinear Optics and its Applications 2022, 121430C (25 May 2022); https://doi.org/10.1117/12.2621418
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KEYWORDS
Fiber lasers

Reflectors

Stochastic processes

Backscatter

Random lasers

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