Influence of a relaxation time of optical semiconductor saturable absorber on spectral properties of ultrashort pulses

Alexey Yu. Kokhanovskiy; Alexander E. Perepelov; Kirill V. Serebrennikov

doi:10.1117/12.2643833

3 January 2023 Influence of a relaxation time of optical semiconductor saturable absorber on spectral properties of ultrashort pulses

Alexey Yu. Kokhanovskiy, Alexander E. Perepelov, Kirill V. Serebrennikov

Author Affiliations +

Proceedings Volume 12323, Quantum and Nonlinear Optics IX; 123230F (2023) https://doi.org/10.1117/12.2643833
Event: SPIE/COS Photonics Asia, 2022, Online Only

Abstract

In the present work, the formation of ultrashort pulses in a fiber laser resonator with the effect of slow saturable absorption and spectral filtering was studied. It has been shown that in a resonator with normal chromatic dispersion, the finite relaxation time of a saturable absorber leads to a spectral shift of the generated pulses with respect to the central length of the spectral filter. The numerical results are verified using two experimental laser sources: a ring fiber laser with a semiconductor saturable absrober mirror and a fiber laser with a nonlinear amplifying loop mirror. The results obtained are relevant for designing sources of ultrashort pulses in applications for which the spectral properties of radiation are crucial parameters.

Citation Download Citation

Alexey Yu. Kokhanovskiy, Alexander E. Perepelov, and Kirill V. Serebrennikov "Influence of a relaxation time of optical semiconductor saturable absorber on spectral properties of ultrashort pulses", Proc. SPIE 12323, Quantum and Nonlinear Optics IX, 123230F (3 January 2023); https://doi.org/10.1117/12.2643833

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