Optical properties and applications of SnS<sub>2</sub> SAs with different thickness

Mengli Liu; Hongbo Wu; Ximei Liu; Yaorong Wang; Ming Lei; Wenjun Liu; Wei Guo; Zhiyi Wei

doi:10.29026/oea.2021.200029

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Liu ML, Wu HB, Liu XM, Wang YR, Lei M et al. Optical properties and applications of SnS2 SAs with different thickness. Opto-Electron Adv 4, 200029 (2021). doi: 10.29026/oea.2021.200029

Citation:

Liu ML, Wu HB, Liu XM, Wang YR, Lei M et al. Optical properties and applications of SnS₂ SAs with different thickness. Opto-Electron Adv 4, 200029 (2021) . doi: 10.29026/oea.2021.200029

Original Article Open Access

Optical properties and applications of SnS₂ SAs with different thickness

1.
State Key Laboratory of Information Photonics and Optical Communications, School of Science, P. O. Box 91, Beijing University of Posts and Telecommunications, Beijing 100876, China
2.
School of Physics, Beijing Institute of Technology, 5 South Zhongguancun Street, Beijing 100081, China
3.
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

More Information

^*Corresponding authors: WJ Liu, E-mail: jungliu@bupt.edu.cn; W Guo, E-mail: weiguo7@bit.edu.cn; ZY Wei, E-mail: zywei@iphy.ac.cn

Received Date 10 July 2020

Accepted Date 29 September 2020

Available Online 25 October 2021

Published Date 25 October 2021

Abstract

Abstract

Q-switched lasers have occupied important roles in industrial applications such as laser marking, engraving, welding, and cutting due to their advantages in high pulse energy. Here, SnS₂-based Q-switched lasers are implemented. Considering that SnS₂ inherits the thickness sensitive optical characteristics of TMD, three kinds of SnS₂ with different thickness are characterized in terms of nonlinearity and used to realize the Q-switched pulses under consistent implementation conditions for comparison tests. According to the results, the influence of thickness variation on the nonlinear performance of saturable absorber, such as modulation depth and absorption intensity, and the influence on the corresponding laser are analyzed. In addition, compared with other traditional saturable absorbers, the advantage of SnS₂ in realizing ultrashort pulses is also noticed. Our work explores the thickness-dependent nonlinear optical properties of SnS₂, and the rules found is of great reference value for the establishment of target lasers.
- nonlinear optical materials /
- fiber laser /
- Q-switching

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References

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