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Journal Articles Optics Letters Year : 2022

Kerr-lens mode-locked ytterbium-activated orthoaluminate laser

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Abstract

We report on the first, to the best of our knowledge, Kerr-lens mode-locked laser based on an Yb 3+ -doped perovskite-type orthoaluminate crystal exploiting two different principal light polarizations. The Yb:(Y,Gd)AlO 3 laser delivers soliton pulses as short as 32 fs at 1067 nm with an average output power of 328 mW and a pulse repetition rate of ∼84.6 MHz for E || a polarization. For the orthogonal E || b polarization, 33-fs pulses are generated at 1057 nm with an average output power of 305 mW. Power scaling to a maximum average output power reaching 2.07 W is achieved at the expense of longer pulse duration (72 fs for E || b ), corresponding to an optical efficiency of 43.9% and a peak power of 303 kW.
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Dates and versions

hal-03858737 , version 1 (19-11-2022)

Identifiers

Cite

Zhang-Lang Lin, Wen-Ze Xue, Huang-Jun Zeng, Ge Zhang, Peixiong Zhang, et al.. Kerr-lens mode-locked ytterbium-activated orthoaluminate laser. Optics Letters, 2022, 47 (12), pp.3027-3030. ⟨10.1364/OL.460701⟩. ⟨hal-03858737⟩
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