Developing high energy dissipative soliton fiber lasers at 2 micron

Scientific Reports
Chongyuan HuangJianqiu Xu

Abstract

While the recent discovered new mode-locking mechanism--dissipative soliton--has successfully improved the pulse energy of 1 μm and 1.5 μm fiber lasers to tens of nanojoules, it is still hard to scale the pulse energy at 2 μm due to the anomalous dispersion of the gain fiber. After analyzing the intracavity pulse dynamics, we propose that the gain fiber should be condensed to short lengths in order to generate high energy pulse at 2 μm. Numerical simulation predicts the existence of stable 2 μm dissipative soliton solutions with pulse energy over 10 nJ, comparable to that achieved in the 1 μm and 1.5 μm regimes. Experimental operation confirms the validity of the proposal. These results will advance our understanding of mode-locked fiber lasers at different wavelengths and lay an important step in achieving high energy ultrafast laser pulses from anomalous dispersion gain media.

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Citations

Jul 5, 2016·Scientific Reports·Jinzhang WangTawfique Hasan
Aug 23, 2018·Optics Express·ChunCan Wang, Jing Li
Nov 20, 2016·Optics Express·Yutaka MashikoMasaki Tokurakawa
Sep 11, 2019·Optics Express·Masaki TokurakawaHenrik Tünnermann
Dec 15, 2018·Optics Letters·Yuhang LiLimin Tong
Oct 17, 2020·Scientific Reports·Aleksandr DonodinMikhail Likhachev

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