[1] Fu Yongjun, Jian Wei, Zheng Kai et al.. Bismuth-gallium-aluminum Co-doped high concentration erbium doped fiber and amplifier［J］. Optoelectronic Technology, 2007, 27(1): 17～19

[2] Wang Xiulin, Huang Wencai, Huang Xiaojing et al.. A novel mean wavelength stability and high efficiency L-band superfluorescent fiber source［J］. Chinese J. Lasers, 2009, 36(3): 647～652

[3] Li Jian, Liu Peng, Wang Jing et al.. Experiment sudy on a tunable fiber laser using optical circulator and tunable fiber Bragg gratings［J］. Chinese J. Lasers, 2009, 36(5): 1047～1050

[4] Gao Yaming, Feng Guang, Liu Yongjian et al.. Manufacture of Erbium-doped optical fiber［J］. Infrared and Laser Engineering, 2009, 38(3): 515～519

[5] Fu Yongjun, Zheng Kai, Chang Deyuan et al.. Short cavity and high concentration erbium doped fiber ring lasers［J］. Opto-Electronic Engineering, 2007, 34(11): 46～49

[6] Chang Deyuan, Zheng Kai, Wei Yan et al.. Experimental research on the degree of clustering in Bi3+-Ga3+ Co-doped high concentration Er3+-doped silca-based fiber［J］. Acta Physica Sinica, 2008, 57(1): 556～560

[7] Gao Yangsheng. Fabrication of Single Mode Fiber with Long Wavelength and Low Dispersion [D]. Beijing: Institute of Light Wave Technology of Beining Jiaotong University, 1991

[8] Li Jian, Zheng Kai, Chang Deyuan et al.. Study on pure silica core optical fibers［J］. Science in China(Series E: Technological Sciences), 2007, 37(9): 1170～1174

[9] Giles C. Randy, Emmanuel Desurvire. Modeling Erbium-doped fiber amplifiers ［J］. IEEE J. Lightwave Technol., 1991, 9(2): 271～282

[10] Tong Zhi, Wei Huai, Li Tangjun et al.. Study on optimization of high quality EDFAs［J］. J. Optoelectronics·Laser, 2001, 12(9): 879～882