Q-switched mode locking noise-like pulse generation from a thulium-doped all-fiber laser based on nonlinear polarization rotation
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Q-switched mode locking noise-like pulse generation from a thulium-doped all-fiber laser based on nonlinear polarization rotation

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Q-switched mode locking noise-like pulse generation from a thulium-doped all-fiber laser based on nonlinear polarization rotation

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López-Estopier, R.; Camarillo-Avilés, A.; Bello-Jiménez, M.; Pottiez, O.; Durán-Sánchez, M.; Ibarra-Escamilla, B.; Rivera-Pérez, E.; Andrés, Miguel V. Perfil
This document is a artículoDate2021
Q-switched mode locking (QML) noise-like pulse (NLP) emission from an all-fiber thulium-doped laser based on the nonlinear polarization rotation effect is reported. The QML emission is obtained in a cavity with net anomalous dispersion in a pump power interval in between the CW laser threshold and the threshold of the NLP regime. Highest-energy QML pulses were observed with a repetition rate of 812 kHz with a pump power of 520 mW at the optical wavelength of 1881.09 nm. A maximum overall energy of 460 nJ at an average output power of 6.4 mW was reached, which corresponds to a burst of mode-locked noise-like sub-pulses with 8.7 ns of pulse duration within a QML envelope of 11 μs. These results demonstrate unconventional pulse operation regime of NLPs and provide insights into the dynamics of mode-locked fiber lasers.

    López-Estopier, R. Camarillo-Avilés, A. Bello-Jiménez, M. Pottiez, O. Durán-Sánchez, M. Ibarra-Escamilla, B. Rivera-Pérez, E. Andrés, Miguel V. 2021 Q-switched mode locking noise-like pulse generation from a thulium-doped all-fiber laser based on nonlinear polarization rotation Results in Optics 5 100115
https://doi.org/10.1016/j.rio.2021.100115

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