Q-switched all-fiber laser based on titanium trisulfide

被引：21
|
作者：
Hou, Huanran [1 ]
You, Tianqi [2 ]
Zhou, Qin [3 ]
Liu, Mengli [1 ]
Ouyang, Yuyi [1 ]
Liu, Ximei [1 ]
Liu, Wenjun [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Sci, State Key Lab Informat Photon & Opt Commun, Beijing, Peoples R China
[2] Xidian Univ, Sch Elect Engn, Xian 710071, Shaanxi, Peoples R China
[3] Wuhan Donghu Univ, Sch Elect & Informat Engn, Wuhan 430212, Peoples R China
来源：
OPTIK | 2020年 / 205卷
基金：
中国国家自然科学基金;
关键词：
Titanium trisulfide; Nonlinear optical material; Fiber laser; Q-switched laser; TRANSITION-METAL DICHALCOGENIDES; SATURABLE ABSORBER; BLACK PHOSPHORUS; MODE-LOCKING; MOS2; OPTOELECTRONICS; OSCILLATOR; GRAPHENE;
D O I：
10.1016/j.ijleo.2020.164234
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Titanium trisulfide (TiS3) is one of the members of the transition metal dichalcogenides. Due to the optical properties of the material, we explore its applications in nonlinear optics. In this paper, we prepare TiS3 saturable absorber (SA) by the chemical vapor transmission-mechanical exfoliation method-wet transfer. The modulation depth of TiS3-SA is measured to be 39.03 %. Using this SA, we obtain a relatively stable Q-switched fiber laser with the pulse duration of 506.5 ns and a signal-to-noise ratio of 50 dB. Because the TiS3-based Q-switched erbium-doped fiber laser has the characteristics of high modulation depth and stability, TiS3 as a nonlinear optical material has potential in the field of ultrafast photonics.
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页数：5
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