期刊
OPTICS EXPRESS
卷 20, 期 13, 页码 14400-14405出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.20.014400
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资金
- National Natural Science Foundation of China [61106045]
- Fundamental Research Funds for the Central Universities [2011J001]
In this paper, we reported the realization of 2nd-order random lasing in a half-opened fiber cavity, which is formed by a FBG with central wavelength at the 1st-order Raman Stokes wavelength and a single-mode fiber (SMF) performing as a random distributed feedback mirror. Using this proposed method, the threshold of 1st-order (2nd-order) random lasing is reduced to 0.7 (2.0) W, which is nearly 2 times lower than that observed in a completely-opened cavity. (C) 2012 Optical Society of America
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