期刊
OPTICS COMMUNICATIONS
卷 286, 期 -, 页码 304-308出版社
ELSEVIER
DOI: 10.1016/j.optcom.2012.09.026
关键词
Fiber laser; Harmonic mode-locking; Graphene saturable absorber
类别
资金
- National Natural Science Foundation of China [61077032, 50972067]
- Research Fund for Doctoral Program of Ministry of Education of China [20090002120019, 20100002110087]
We report passive harmonic mode-locking of a soliton erbium-doped fiber laser based on graphene saturable absorber. 32nd harmonic of the fundamental cavity frequency has been obtained with pulse duration 950 fs. The repetition rates are continuously scalable from 15.71 to 502.84 MHz. The cavity supermode is suppressed up to 50 dB, and the signal-to-noise ratio is better than 67 dB at the 32nd harmonic. (C) 2012 Elsevier B.V. All rights reserved.
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