期刊
OPTICS EXPRESS
卷 19, 期 27, 页码 26742-26751出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.19.026742
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资金
- Inter Carnot & Fraunhofer Program
- Conseil Regional de Haute Normandie
We report on the generation of high-energy pulses in an all normal dispersion photonic-crystal fiber laser. Two mode-locking techniques with and without passive spectral filtering are studied both numerically and experimentally to address a roadmap for energy scaling. It is found that high-contrast passive modulation is a very promising mode-locking technique for energy scaling in dissipative-soliton laser. Moreover, this technique does not need any additional spectral filtering than the limited gain bandwidth to stabilize high-energy ultrashort pulses. The presented laser generates 110 nJ chirped pulses at 57 MHz repetition rate for an average power of 6.2 W. The output pulses could be dechirped close to the transform-limited duration of 100 fs. (C) 2011 Optical Society of America
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