Generation of 85 fs mid-IR pulses with up to 2.4 W average power using an Er:ZBLAN fiber mode-locked oscillator and a nonlinear amplifier

In this paper, we report a high power and compact mid-IR ultrafast laser system consisting of an Er:ZBLAN fiber-based mode-locked oscillator and a nonlinear amplifier. The mode-locked pulses are amplified and simultaneously nonlinearly compressed to sub-100 fs, without using any external pulse compr...

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Bibliographic Details
Published in:Optics express 2021-12, Vol.29 (26), p.42924
Main Authors: Cui, Yifan, Chen, Mingshu, Du, Weizhi, Bai, Yu, Galvanauskas, Almantas
Format: Article
Language:English
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Summary:In this paper, we report a high power and compact mid-IR ultrafast laser system consisting of an Er:ZBLAN fiber-based mode-locked oscillator and a nonlinear amplifier. The mode-locked pulses are amplified and simultaneously nonlinearly compressed to sub-100 fs, without using any external pulse compressor or dispersion-managing stretcher. The output pulses have ∼85 fs pulse durations at ∼2.85 µm, with an average power of up to 2.4 W, and pulse energies of >40 nJ. This constitutes the highest average power sub-100fs duration pulses generated from a mid-IR fiber laser system to date.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.446495