Highly Stable Passively Q-Switched Erbium-Doped All-Fiber Laser Based on Niobium Diselenide Saturable Absorber

被引：13

作者：

Hu, Ping ^{[1
,2
]}

Mao, Jiajia ^{[1
]}

Nie, Hongkun ^{[1
]}

Wang, Ruihua ^{[1
]}

Zhang, Baitao ^{[1
,2
,3
]}

Li, Tao ^{[1
,2
,4
]}

He, Jingliang ^{[1
,2
,3
]}

Yang, Kejian ^{[1
,2
,3
,4
,5
]}

机构：

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

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

[3] Shandong Normal Univ, Collaborat Innovat Ctr Light Manipulat & Applicat, Jinan 250358, Peoples R China

[4] Shandong Univ, Shenzhen Res Inst, Shenzhen 518057, Peoples R China

[5] Shanxi Univ, State Key Lab Quantum Opt & Quantum Opt Devices, Taiyuan 030006, Peoples R China

来源：

MOLECULES | 2021年 / 26卷 / 14期

基金：

中国国家自然科学基金;

关键词：

niobium diselenide; fiber laser; Q-switched; saturable absorber; MOS2;

D O I：

10.3390/molecules26144303

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A saturable absorber (SA) based on niobium diselenide (NbSe2), which is a layered transition metal dichalcogenide (TMD) in the VB group, is fabricated by the optically driven deposition method, and the related nonlinear optical properties are characterized. The modulation depth, saturable intensity, and nonsaturable loss of the as-prepared NbSe2 nanosheet-based SA are measured to be 16.2%, 0.76 MW/cm(2), and 14%, respectively. By using the as-fabricated NbSe2 SA, a highly stable, passively Q-switched, erbium-doped, all-fiber laser is realized. The obtained shortest pulse width is 1.49 mu s, with a pulse energy of 48.33 nJ at a center wavelength of 1560.38 nm. As far as we know, this is the shortest pulse duration ever obtained by an NbSe2 SA in a Q-switched fiber laser.

引用

页数：10

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