Journal
OPTICS COMMUNICATIONS
Volume 285, Issue 21-22, Pages 4466-4469Publisher
ELSEVIER
DOI: 10.1016/j.optcom.2012.07.012
Keywords
Erbium-doped fiber laser; Nanosecond; Graphene
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Funding
- National Natural Science Foundation of China [61177048, 50972101]
- Beijing Municipal Education Commission [KZ2011100050011]
- Beijing University of Technology, China
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We demonstrate graphene mode-locked nanosecond erbium-doped fiber laser in an all-fiber ring cavity. The clean and robust pulse train was generated at 27 mW pump power. Resultant central wavelength, repetition rate and pulse width was 1560 nm, 388 kHz and 6 ns, respectively. With two stage fiber amplifier, the output power was 553 mW, corresponding to single pulse energy of 1.4 mu J. In addition, the pulse-width can be varied ranging from 3 ns to 20 ns at repetition rate between 200 kHz and 1.54 MHz by changing the length of the laser cavity. (C) 2012 Elsevier B.V. All rights reserved.
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