Nonlinear optical properties of tungsten disulfide as saturable absorber based on Q-switched fiber laser

被引：5

作者：

Ma, Guoli ^{[1
]}

Yao, Yanli ^{[1
]}

Zhang, Xin ^{[1
]}

Wang, Shubin ^{[1
]}

机构：

[1] Binzhou Univ, Inst Aeronaut Engn, Binzhou 256603, Peoples R China

来源：

OPTIK | 2019年 / 198卷

基金：

中国国家自然科学基金;

关键词：

Nonlinear optical properties; Tungsten disulfide; Saturable absorber; Fiber laser; BLACK PHOSPHORUS; DARK SOLITONS; GRAPHENE; LEVEL; MOS2;

D O I：

10.1016/j.ijleo.2019.163251

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, nonlinear optical properties of tungsten disulfide are studied. Tungsten disulfide (WS2) is prepared as saturable absorber (SA) with the microstructured optical fiber. When the SA based on WS2 is assembled into a fiber laser, Q-switched operation is demonstrated. The 2 nm spectral width is obtained at the central wavelength of 1531 nm. The signal-to-noise ratio is about 80 dB, which indicates that the fiber laser is very stable. The shortest pulse duration is 800 nm at the maximum input power of 650 mW. The conclusion shows that WS2 is a good nonlinear optical material.

引用

页数：4

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