Generation of Q-switched mode-locking noise-like pulses based on nonlinear polarization rotation in a thulium-doped all-fiber laser

Andrés Camarillo-Avilés; Rosa López-Estopier; Miguel Bello-Jiménez; Olivier Pottiez; Manuel Durán-Sánchez; Baldemar Ibarra-Escamilla

doi:10.1117/12.2608350

4 March 2022 Generation of Q-switched mode-locking noise-like pulses based on nonlinear polarization rotation in a thulium-doped all-fiber laser

Andrés Camarillo-Avilés, Rosa López-Estopier, Miguel Bello-Jiménez, Olivier Pottiez, Manuel Durán-Sánchez, Baldemar Ibarra-Escamilla

Author Affiliations +

Proceedings Volume 11981, Fiber Lasers XIX: Technology and Systems; 1198109 (2022) https://doi.org/10.1117/12.2608350
Event: SPIE LASE, 2022, San Francisco, California, United States

Abstract

In this work a Q-switched mode-locked (QML) noise-like pulse (NLP) emission from a thulium-doped all-fiber laser with passive saturable absorption action through the nonlinear polarization rotation effect is demonstrated. QML-NLP pulses were obtained at 812 kHz repetition rate within a 11 μs QML envelope and pulse energy of 460 nJ. Central modelocked NLP sub-pulses were measured with 8.71 ns of width and 4.17 of peak power. The evolution of QML-NLP is experimentally investigated, and the results demonstrate the feasibility of an unconventional pulse operation regime of NLPs and provide insights into the dynamics of mode-locked fiber lasers.

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Citation Download Citation

Andrés Camarillo-Avilés, Rosa López-Estopier, Miguel Bello-Jiménez, Olivier Pottiez, Manuel Durán-Sánchez, and Baldemar Ibarra-Escamilla "Generation of Q-switched mode-locking noise-like pulses based on nonlinear polarization rotation in a thulium-doped all-fiber laser", Proc. SPIE 11981, Fiber Lasers XIX: Technology and Systems, 1198109 (4 March 2022); https://doi.org/10.1117/12.2608350

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