Generation of Q-switched pulse by Bi2Se3 topological insulator in Yb:KGW laser

被引：29
作者：
Hu, Mengting [1 ]
Liu, Jinghui [1 ]
Tian, Jinrong [1 ]
Dou, Zhiyuan [1 ]
Song, Yanrong [1 ]
机构：
[1] Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
来源：
LASER PHYSICS LETTERS | 2014年 / 11卷 / 11期
关键词：
topological insulator; Bi2Se3; Q-switching; Yb:KGW; DOPED FIBER LASER; SOLID-STATE LASERS; SATURABLE ABSORBER; FEMTOSECOND; PHOTONICS; GRAPHENE; BI2TE3; POWER;
D O I：
10.1088/1612-2011/11/11/115806
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A Q-switched Yb:KGW solid-state laser using topological insulator Bi2Se3 as a saturable absorber was demonstrated experimentally for the first time. The Bi2Se3 saturable absorber was fabricated in a film on a highly reflective mirror. By inserting this into a Yb:KGW laser, the Q-switched operation was obtained. The highest average output power was 439.4 mW and the corresponding repetition rate, pulse width and pulse energy were 166.7 kHz, 1.6 mu s and 2.64 mu J, respectively. To our knowledge, this is the highest output power among topological insulator-modulated lasers with topological insulator absorbers.
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页数：4
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