期刊
OPTICS EXPRESS
卷 24, 期 8, 页码 8399-8404出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.24.008399
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资金
- National Natural Science Foundation of China [11504081]
We have experimentally demonstrated square pulses emission from a co-doped Er:Yb double-clad fiber laser operating in anomalous dispersion DSR regime using the nonlinear polarization evolution technique. Stable mode-locked pulses have a repetition rate of 373 kHz with 2.27 mu J energy per pulse under a pumping power of 30 W in cavity. With the increase of pump power, both the duration and the energy of the output square pulses broaden. The experimental results demonstrate that the passively mode-locked fiber laser operating in the anomalous regime can also realize a high-energy pulse, which is different from the conventional low-energy soliton pulse. (C) 2016 Optical Society of America
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