Sb<sub>2</sub>Te<sub>3</sub> topological insulator for 52 nm wideband tunable Yb-doped passively Q-switched fiber laser

Tao WANG; Qiang YU; Kun GUO; Xinyao SHI; Xuefen KAN; Yijun XU; Jian WU; Kai ZHANG; Pu ZHOU

doi:10.1631/FITEE.2000577

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

Special Feature on Ultrafast Low-Dimensional Material Based Devices and Their Control | Updated：2022-05-19

- Sb₂Te₃ topological insulator for 52 nm wideband tunable Yb-doped passively Q-switched fiber laser
- 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
- Frontiers of Information Technology & Electronic Engineering Vol. 22, Issue 3, Pages: 287-295(2021)
- Affiliations：
  
  College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China
  i-Lab, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
  Jiangsu Key Laboratory of Power Transmission and Distribution Equipment Technology, Hohai University, Changzhou 213022, China
  Key Laboratory of Nano-Devices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
  Vacuum Interconnected Nanotech Workstation, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
- Author bio：
  
  Jian WU, E-mail: wujian15203@163.com
  Kai ZHANG, E-mail: kzhang2015@sinano.ac.cn
- Funds：
- DOI：10.1631/FITEE.2000577
  CLC： TB3
- Received：26 October 2020，
  
  Revised：2021-;1-22，
  
  Published：2021-03
- Accepted：
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Tao WANG, Qiang YU, Kun GUO, et al. 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.
DOI：

Tao WANG, Qiang YU, Kun GUO, et al. 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. DOI： 10.1631/FITEE.2000577.

摘要

拓扑绝缘体Sb

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Sb

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Sb

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Sb

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，Sb

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。

Abstract

Topological insulator Sb

has the advantage of broadband saturable absorption from the visible to the infrared bands. Herein

the two-dimensional material Sb

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 Sb

crystals were synthesized by the flux zone method. The Sb

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 Sb

where the central wavelength can be continuously tuned from 1040.89 to 1092.85 nm. Results suggest that Sb

has wideband saturable absorption properties

and that the tunable pulse laser can provide a convenient and simple source for practical applications.

关键词

Keywords

references

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⁰

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

DOI：10.1631/FITEE.2000577

摘要

Abstract

关键词

Keywords

references

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