Article Dans Une Revue Optics Express Année : 2022

Dysprosium-doped silica fiber as saturable absorber for mid-infrared pulsed all-fiber lasers

Résumé

We report on a mid-infrared Q-switched erbium-doped all-fiber laser using a dysprosium-doped silica fiber as saturable absorber for the first time in this wavelength range. Moreover, we demonstrate the use of a highly reflective chirped fiber Bragg grating written in a silica fiber as the input coupler for such lasers. This Q-switched all-fiber laser generates a stable pulse train centered at 2798 nm with a maximum average power of 670 mW at a repetition rate of 140 kHz with a pulse duration of 240 ns and a pulse energy of 4.9 µJ.

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hal-03537583 , version 1 (20-01-2022)

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Pascal Paradis, Tommy Boilard, Vincent Fortin, Stanislaw Trzesien, Michèle Ude, et al.. Dysprosium-doped silica fiber as saturable absorber for mid-infrared pulsed all-fiber lasers. Optics Express, 2022, 30 (3), pp.3367-3378. ⟨10.1364/oe.448060⟩. ⟨hal-03537583⟩
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