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Article Dans Une Revue Optics Express Année : 2022

Diode-pumped mode-locked Yb:BaF$_2$ laser

Résumé

We report on a continuous-wave (CW) and passively mode-locked operation of a fluorite-type Yb:BaF$_2$ crystal. Pumped with a spatially single-mode, fiber-coupled InGaAs laser diode at 976 nm, the Yb:BaF$_2$ laser generated a maximum CW output power of 512 mW at 1054.4 nm, corresponding to a laser threshold of 36.5 mW and a slope efficiency of 65.0%. A continuous wavelength tuning across 85 nm (1007–1092 nm) was achieved. By implementing a semiconductor saturable absorber mirror for initiating and sustaining the soliton pulse shaping, near Fourier-transform-limited pulses as short as 52 fs were generated at 1058.2 nm with an average output power of 129 mW at a pulse repetition rate of ∼79.5 MHz. To the best of our knowledge, this is the first report on the passively mode-locked operation of the Yb:BaF$_2$ crystal.
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Dates et versions

hal-03858729 , version 1 (17-11-2022)

Identifiants

Citer

Wen-Ze Xue, Zhang-Lang Lin, Huang-Jun Zeng, Ge Zhang, Pavel Loiko, et al.. Diode-pumped mode-locked Yb:BaF$_2$ laser. Optics Express, 2022, 30 (9), pp.15807. ⟨10.1364/OE.459704⟩. ⟨hal-03858729⟩
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