MXene Photonic Devices for Near-Infrared to Mid-Infrared Ultrashort Pulse Generation

As a two-dimensional material, MXene has accordion-like structures and possesses highly tunable and tailorable electro-optical capabilities, which suggests that it can be extensively used for electro-photonics devices. Here, we investigate the performances of 2D Ti3C2T x MXene in the nonlinear optic...

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Bibliographic Details
Published in:ACS applied nano materials 2020-04, Vol.3 (4), p.3513-3522
Main Authors: Wang, Zhenhong, Li, Hongbo, Luo, Mulin, Chen, Tenghui, Xia, Xuefeng, Chen, Hualong, Ma, Chunyang, Guo, Jia, He, Zhenwu, Song, Yufeng, Liu, Jun, Jiang, Xiantao, Zhang, Han
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Language:English
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Summary:As a two-dimensional material, MXene has accordion-like structures and possesses highly tunable and tailorable electro-optical capabilities, which suggests that it can be extensively used for electro-photonics devices. Here, we investigate the performances of 2D Ti3C2T x MXene in the nonlinear optical application of ultrafast photonics spanning the near-infrared (NIR) and mid-infrared (MIR) ranges. Interestingly, by utilizing the combined effects of nonlinear saturable absorption and high nonlinearity properties of the Ti3C2T x photonic device based on a microfiber, rogue waves with a high pulse energy in a fiber laser at 1.55 μm are first obtained. Additionally, by virtue of the Ti3C2T x saturable absorber, high-power ultrashort pulses are generated in a 2 μm fiber laser. Besides, a Ti3C2T x Q-switched fiber laser at 2.8 μm is also realized, which can deliver stable pulse trains with a 640 ns pulse width and a 122.9 kHz repetition rate, corresponding to a 1.8 μJ pulse energy and a 2.89 W peak power. The results suggest that as a promising nonlinear optical material, MXene has pioneered a way for the development of ultrafast nonlinear photonic devices in the NIR and MIR ranges.
ISSN:2574-0970
2574-0970
DOI:10.1021/acsanm.0c00241