Yan Feng-Ping, Mao Xiang-Qiao, Wang Lin, Fu Yong-Jun, Wei Huai, Zheng Kai, Gong Tao-Rong, Liu Peng, Tao Pei-Lin, Jian Shui-Sheng. High stability mono-wavelength output optical fiber laser based on polarization-maintaining erbium-doped fiberJ. Acta Physica Sinica, 2009, 58(9): 6296-6299. DOI: 10.7498/aps.58.6296