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Jian Wu


Kai Zhang


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Frontiers of Information Technology & Electronic Engineering  2021 Vol.22 No.3 P.287-295


Sb2Te3 topological insulator for 52 nm wideband tunable Yb-doped passively Q-switched fiber laser

Author(s):  Tao Wang, Qiang Yu, Kun Guo, Xinyao Shi, Xuefen Kan, Yijun Xu, Jian Wu, Kai Zhang, Pu Zhou

Affiliation(s):  College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China; more

Corresponding email(s):   wujian15203@163.com, kzhang2015@sinano.ac.cn

Key Words:  Topological insulator, Sb2Te3, Fiber laser, Passive Q-switching laser, Wavelength-tunable laser

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Tao Wang, Qiang Yu, Kun Guo, Xinyao Shi, Xuefen Kan, Yijun Xu, Jian Wu, Kai Zhang, Pu Zhou. Sb2Te3 topological insulator for 52 nm wideband tunable Yb-doped passively Q-switched fiber laser[J]. Frontiers of Information Technology & Electronic Engineering, 2021, 22(3): 287-295.

@article{title="Sb2Te3 topological insulator for 52 nm wideband tunable Yb-doped passively Q-switched fiber laser",
author="Tao Wang, Qiang Yu, Kun Guo, Xinyao Shi, Xuefen Kan, Yijun Xu, Jian Wu, Kai Zhang, Pu Zhou",
journal="Frontiers of Information Technology & Electronic Engineering",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Sb2Te3 topological insulator for 52 nm wideband tunable Yb-doped passively Q-switched fiber laser
%A Tao Wang
%A Qiang Yu
%A Kun Guo
%A Xinyao Shi
%A Xuefen Kan
%A Yijun Xu
%A Jian Wu
%A Kai Zhang
%A Pu Zhou
%J Frontiers of Information Technology & Electronic Engineering
%V 22
%N 3
%P 287-295
%@ 2095-9184
%D 2021
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.2000577

T1 - Sb2Te3 topological insulator for 52 nm wideband tunable Yb-doped passively Q-switched fiber laser
A1 - Tao Wang
A1 - Qiang Yu
A1 - Kun Guo
A1 - Xinyao Shi
A1 - Xuefen Kan
A1 - Yijun Xu
A1 - Jian Wu
A1 - Kai Zhang
A1 - Pu Zhou
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 22
IS - 3
SP - 287
EP - 295
%@ 2095-9184
Y1 - 2021
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.2000577

topological insulator sb2Te3 has the advantage of broadband saturable absorption from the visible to the infrared bands. Herein, the two-dimensional material sb2Te3 saturable absorber (SA) of the topological insulator family was first applied experimentally in a wideband tunable passively Q-switched Yb-doped fiber laser. High-quality sb2Te3 crystals were synthesized by the flux zone method. The sb2Te3 SA with fewer layers was further prepared via a modified mechanical exfoliation procedure. Meanwhile, stable wavelength-tunable passive Q-switching pulse operation was obtained in a Yb-doped fiber ring cavity based on the sb2Te3 SA, where the central wavelength can be continuously tuned from 1040.89 to 1092.85 nm. Results suggest that sb2Te3 has wideband saturable absorption properties, and that the tunable pulse laser can provide a convenient and simple source for practical applications.

基于拓扑绝缘体Sb2Te3的52 nm宽谱可调谐被动调Q掺镱光纤激光器

摘要:拓扑绝缘体Sb2Te3具有从可见光到红外波段的宽谱可饱和吸收的优点。在本研究中,首先将拓扑绝缘体家族中的二维材料Sb2Te3可饱和吸收体应用在宽谱可调谐被动调Q掺镱光纤激光器中。高质量的Sb2Te3晶体通过选区熔炼法合成,进一步通过改进的机械剥离方法制备少层Sb2Te3可饱和吸收体。基于此可饱和吸收体,在掺镱光纤环形腔中获得稳定的波长可调谐被动调Q脉冲,其中心波长可从1040.89 nm连续调节到1092.85 nm。实验结果表明,Sb2Te3具有宽谱可饱和吸收特性,这个波长可调谐脉冲激光可以为实际应用提供一个方便简单的光源。


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