Q-Switched Pulse and Mode-Locked Pulse Generation From a Yb3+-Doped Fiber Laser Based on Bi2Se3

被引：21
作者：
Lin, Ja-Hon [1 ,2 ]
Huang, Guan-Hao [1 ,2 ]
Ou, Chu-Hsiang [1 ,2 ]
Che, Kuan-Chin [1 ,2 ]
Liu, Wei-Rein [3 ]
Tasy, Shwu-Yun [1 ,2 ]
Chen, Yao-Hui [1 ,2 ]
机构：
[1] Natl Taipei Univ Technol, Dept Electroopt Engn, Taipei 10608, Taiwan
[2] Natl Taipei Univ Technol, Inst Electroopt Engn, Taipei 10608, Taiwan
[3] Natl Synchrotron Radiat Res Ctr, Hsinchu 30076, Taiwan
来源：
IEEE PHOTONICS JOURNAL | 2018年 / 10卷 / 03期
关键词：
Q-switched laser; mode-locked laser; Yb3+-doped fiber laser; topological insulators; TOPOLOGICAL INSULATOR BI2SE3; SINGLE DIRAC CONE; GRAPHENE; LOCKING; BI2TE3;
D O I：
10.1109/JPHOT.2018.2823785
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The Q-switched pulse and mode-locked pulse were investigated in an all-normal dispersion Yb-doped fiber laser (YDFL) based on the topological insulators (Tls) with mixing of polyvinyl alcohol (PVA) to produce Bi2Se3/PVA film or deposition on the end facet of fiber to manufacture TI-compatible fiber. Through the dark Bi2Se3/PVA films with large nonsaturable loss, the YDFL was operated in the Q-switched state. The repetition rate and the duration of the Q-switched pulses increased and declined, respectively, with the pump power to show 2.2 mu s duration and 137.8 kHz repetition rate at the highest pump power. Moreover, the mode-locked pulses, with a 16 MHz repetition rate and 380 ps pulsewidth, were generated at high pump power by using the light Bi2Se3 /PVA film. By means of a Bi2Se3 compatible fiber, through optical deposition of the Bi2Se3 nanoplatelets on the end facet of the fiber, the mode-locked YDFL was generated at low-threshold pump power and revealed more stabilized operation state up to two hours.
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页数：10
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