Mode-locked and Q-switched Yb-doped Fiber Lasers with Graphene Saturable Absorber

被引：5
|
作者：
Liu, Jiang [1 ]
Wu, Sida [2 ]
Yang, Quan-Hong [2 ]
Wang, Pu [1 ]
机构：
[1] Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
[2] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
来源：
INTERNATIONAL SYMPOSIUM ON PHOTOELECTRONIC DETECTION AND IMAGING 2011: LASER SENSING AND IMAGING AND BIOLOGICAL AND MEDICAL APPLICATIONS OF PHOTONICS SENSING AND IMAGING | 2011年 / 8192卷
关键词：
Mode-locked; Passively Q-switched; Fiber lasers; Graphene; ATOMIC-LAYER GRAPHENE;
D O I：
10.1117/12.901098
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report high pulse energy generation from an Yb-doped fiber laser mode-locked or passively Q-switched by a graphene saturable absorber. In the case of mode-locked operation, a ring cavity was used. The average output power is 170 mW and the repetition rate is 1.04 MHz, corresponding to single pulse energy of 163 nJ. To the best of our knowledge, this is the highest pulse energy reported for fiber lasers mode-locked with graphene saturable absorber. In the case of passively Q-switched operation, a linear cavity was used. The average output power is 12 mW and the repetition rate is 257 kHz, corresponding to single pulse energy of 46 nJ with pulse width of 70 ns. We beliveve we are among the first to report the stable passively Q-switched operation by graphene saturable absorber in a Yb-doped fiber laser as well. Graphene-based saturable absorber shows promising potential to replace SESAM as mode-locker or Q-switcher for pulsed lasers in the near future because of the good performance, easy fabrication, low cost and wide availability.
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页数：7
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