Fibre amplifying loop mirror with nonlinearity independent of the intensity of intra-cavity radiation

Sergey M. Kobtsev; Sergey V. Smirnov; Alexey V. Ivanenko

doi:10.1117/12.2247757

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3 November 2016 Fibre amplifying loop mirror with nonlinearity independent of the intensity of intra-cavity radiation

Sergey M. Kobtsev, Sergey V. Smirnov, Alexey V. Ivanenko

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Proceedings Volume 10029, Quantum and Nonlinear Optics IV; 100291J (2016) https://doi.org/10.1117/12.2247757
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

Among the demerits of standard nonlinear amplifying loop mirrors (NALM), one can single out the dependence of its reflectivity upon the intensity of the intra-cavity. This results in a relatively narrow range of radiation power, within which stable mode-locked operation of a fibre laser with NALM can be achieved. This work reports for the first time that in the process of generation, the NALM reflectivity may be controlled independently of the intra-cavity radiation power by using two different active media with independent pump sources. The newly proposed layout allows stable mode locking within a substantially broader radiation power range and enables achievement of record-high pulse parameters.

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Sergey M. Kobtsev, Sergey V. Smirnov, and Alexey V. Ivanenko "Fibre amplifying loop mirror with nonlinearity independent of the intensity of intra-cavity radiation", Proc. SPIE 10029, Quantum and Nonlinear Optics IV, 100291J (3 November 2016); https://doi.org/10.1117/12.2247757

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