期刊
OPTICS LETTERS
卷 40, 期 8, 页码 1691-1694出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.40.001691
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资金
- Natural Science Foundation of China [61275049, 11374285, U1330104]
We propose and demonstrate a radially polarized mode-locked fiber laser through the use of a figure-8 cavity in combination with cascade fiber Bragg gratings (FBGs). The mode-locked laser emits rectangular pulses with width tunable from 2.8 to 23 ns under an increasing pump power at 1056.3 nm with 0.2-nm 30-dB linewidth. A polarization purity as high as 96% for the output transverse mode has been achieved simultaneously. (C) 2015 Optical Society of America
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