Two-dimensional tellurene nanosheets as saturable absorber of passively Q-switched Nd:YAG solid-state laser

被引：14
|
作者：
Tang, Tianhong [1 ]
Zhang, Fang [1 ]
Wang, Mengxia [1 ]
Wang, Zhengping [1 ,2 ]
Xu, Xinguang [1 ,2 ]
机构：
[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
[2] Shandong Univ, Minist Educ, Key Lab Funct Crystal Mat & Device, Jinan 250100, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2020年 / 18卷 / 04期
基金：
中国国家自然科学基金;
关键词：
tellurene; nanosheets; absorber; graphene; passive Q-switching; TRIGONAL TELLURIUM; OPTICAL MODULATOR; SEMICONDUCTOR; NANOWIRES;
D O I：
10.3788/COL202018.041403
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
For the first time, a group-VI single element nanomaterial was used as the optical saturable absorber (SA) to generate laser pulses. With two-dimensional (2D) tellurene as a passive Q-switch, 1.06 mu m and 1.3 mu m pulse laser operations were realized from a diode-pumped Nd:YAG crystal. The shortest pulse widths were 98 ns and 178 ns, and the highest peak powers were 2.68 W and 2.45 W, respectively. Our research determines that tellurene is an excellent SA material in the near-infrared region.
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页数：6
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