A Q-switched erbium-doped fiber laser based on ZrS2 as a saturable absorber

被引：12

作者：

Hu, Ping ^{[1
]}

Huang, Yan ^{[1
]}

Liu, Fangfang ^{[1
]}

Liu, Ying ^{[1
]}

Guo, Liping ^{[1
]}

Ge, Xiaolu ^{[1
]}

Liu, Xiaojuan ^{[1
]}

机构：

[1] Shandong Univ Technol, Sch Phys & Optoelect Engn, Zibo 255049, Peoples R China

来源：

CHINESE OPTICS LETTERS | 2019年 / 17卷 / 08期

基金：

中国国家自然科学基金;

关键词：

OXIDE NANOPARTICLES; LAYER;

D O I：

10.3788/COL201917.080603

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A passively Q-switched erbium-doped fiber (EDF) laser is proposed and demonstrated utilizing a zirconium disulfide (ZrS2)-based saturable absorber (SA). ZrS2 nanosheets are prepared, whose modulation depth, saturation intensity, and nonsaturable absorbance are measured to be 14.7%, 0.34 MW/cm(2), and 17.4%, respectively. Then, a Q-switched EDF laser is implemented by the ZrS2-SA. The pulse repetition rate varies from 40.65 to 87.1 kHz when the pump power changes from 55 to 345 mW. The shortest pulse width is 1.49 mu s with pulse energy of 33.5 nJ. As far as we know, this is the shortest pulse width obtained by a ZrS2-SA so far.

引用

页数：5

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