Abstract
A passively Q-switched microsecond Er-doped fiber laser at 1532 nm wavelength was demonstrated by using a ReS2-based saturable absorber. The absorber was fabricated with ReS2 by exfoliating mechanically and transferred onto a fiber end. Stable Q-switched laser pulses were observed with the shortest pulse duration of 2.1 μs, the maximum average output power of 2.48 mW, and the pulse with energy up to 38 nJ. Our experimental results suggest that ReS2 is potential for a Q-switcher near 1.55 μm wavelength.
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Acknowledgements
The authors acknowledge fundings from the National Science Foundation of China (No. 61505162), the International Science and Technology Cooperation Project (No. 2014***10780), the Natural Science Basic Research Plan in Shaanxi Province of China (No. 2016JQ6059) and the Science Foundation of Northwest University (No. 13NW14).
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Xu, X., Jiang, M., Li, D. et al. Passive Q-switching based on ReS2 saturable absorber in Er-doped fiber laser at 1532 nm. Opt Quant Electron 50, 39 (2018). https://doi.org/10.1007/s11082-017-1281-3
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DOI: https://doi.org/10.1007/s11082-017-1281-3