Nonlinear optical response of ternary chalcogenide nanoflakes for the pulse generation near 2 μm

被引：5

作者：

Niu, Ziqun ^{[1
]}

Feng, Tianli ^{[1
]}

Li, Tao ^{[1
]}

Pan, Zhongben ^{[2
]}

Zhang, Shuaiyi ^{[3
]}

Yang, Kejian ^{[4
]}

Zhao, Jia ^{[1
]}

Li, Guiqiu ^{[1
]}

Li, Dechun ^{[1
]}

Zhao, Shengzhi ^{[1
]}

Qiao, Wenchao ^{[1
]}

Chu, Hongwei ^{[1
]}

Gao, Kong ^{[5
]}

机构：

[1] Shandong Univ, Sch Informat Sci & Engn, Qingdao 266237, Peoples R China

[2] China Acad Engn Phys, Inst Chem Mat, Mianyang 621900, Sichuan, Peoples R China

[3] Qingdao Univ Sci & Technol, Sch Math & Phys, Shandong Adv Optoelect Mat & Technol Engn Lab, Qingdao 266061, Peoples R China

[4] Shandong Univ, Inst Crystal Mat, State Key Lab Crystal Mat, Jinan 250100, Peoples R China

[5] Shandong Univ, Minist Educ, Key Lab Laser & Infrared Syst, Qingdao 266237, Peoples R China

来源：

OPTICAL MATERIALS | 2021年 / 114卷

基金：

中国国家自然科学基金;

关键词：

Ternary chalcogenides; Nonlinear optical response; 2 µ m waveband; Doubly Q-switched laser; PHOTONICS; TA2NIS5;

D O I：

10.1016/j.optmat.2021.111001

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ternary chalcogenides possess a promising prospect for their superior nonlinear optical response, offering new opportunities in future photonic devices. Ta2NiS5 and Ta2NiSe5 nanoflakes fabricated by liquid-phase exfoliation were investigated. Based on Tm:YAG ceramic and Tm,Ho:Ca(Gd,Lu)AlO4 crystal as gain media, the doubly passively Q-switched lasers with Ta2NiS5 and Ta2NiSe5 saturable absorbers were realized. The shortest pulse duration was 391 ns, which was realized in Tm,Ho:Ca(Gd,Lu)AlO4 laser. And the highest peak power 17.73 W was obtained in Tm:YAG ceramic laser. The results demonstrate that the Ta2NiS5 and Ta2NiSe5 nanomaterials have the potential to generate a short-pulsed laser. Doubly Q-switching technology can compress pulse duration and enhance peak power.

引用

页数：7

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