Optical properties and applications of SnS_(2) SAs with different thickness

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

作者机构：State Key Laboratory of Information Photonics and Optical CommunicationsSchool of ScienceP.O.Box 91Beijing University of Posts and TelecommunicationsBeijing 100876China School of PhysicsBeijing Institute of Technology5 South Zhongguancun StreetBeijing 100081China Beijing National Laboratory for Condensed Matter PhysicsInstitute of PhysicsChinese Academy of SciencesBeijing 100190China 

出 版 物：《Opto-Electronic Advances》 (光电进展（英文）)

年 卷 期：2021年第4卷第10期

页      面：1-10页

核心收录：

学科分类：08[工学] 0804[工学-仪器科学与技术] 0803[工学-光学工程] 0702[理学-物理学] 

基　　金：the financial support from the National Natural Science Foundation of China(11875008,12075034) Open Research Fund of State Key Laboratory of Pulsed Power Laser Technology(Grant SKL2019KF04) Fundamental Research Funds for the Central Universities(2019XD-A09-3). 

主　　题：nonlinear optical materials fiber laser Q-switching 

摘      要：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,SnS_(2)-based Q-switched lasers are implemented.Consid-ering that SnS_(2) inherits the thickness sensitive optical characteristics of TMD,three kinds of SnS2 with different thick-ness are characterized in terms of nonlinearity and used to realize the Q-switched pulses under consistent implementa-tion conditions for comparison tests.According to the results,the influence of thickness variation on the nonlinear per-formance of saturable absorber,such as modulation depth and absorption intensity,and the influence on the correspond-ing laser are analyzed.In addition,compared with other traditional saturable absorbers,the advantage of SnS_(2) in realiz-ing ultrashort pulses is also noticed.Our work explores the thickness-dependent nonlinear optical properties of SnS_(2),and the rules found is of great reference value for the establishment of target lasers.