[1] GILES C R. Emmanuel desurvire modeling erbium-doped fiber amplifiers[J]. Journal of Lightwave Technology, 1991, 9(2): 271-283.
[3] CHOW J, TOWN G, EGGLETON B, et al. Multiwavelength generation in an erbium-doped fiber laser using in-fiber comb filters[J]. IEEE Photonics Technology Letters, 1996, 8(1): 60-62.
[4] WU Xu, RUAN Shuang-chen, LIU Cheng-xiang, et al. Experimental investigation on superfluorescent sources based on erbium-doped photonic crystal fiber[J]. Acta Optica Sinica, 2012, 32(3): 0306005.
[5] SONG Zhi-qiang, QI Hai-feng, GUO Jian, et al. Characteristics of self-amplified distributed feedback fiber laser[J]. Acta Photonica Sinica, 2014, 43(2): 0206005.
[7] SHI Shu-li. Study on the gain and ASEN of EDFA[J]. Optical Fiber& Electric Cable, 2003, 5(S): 0500802.
[8] HARUN SW, AHMAD H. Gain and noise figure improvements in double-pass S-band EDFA[J]. Optics & Laser Technology, 2007, 39: 935-938.
[9] YEH Chien-Hung. Utilizations of two-stage erbium amplifier and saturable-absorber filter for tunable and stable power-equalized fiber laser[J]. Optics Express, 2007, 15(7): 3680-3684.
[10] KUMAR N, SHENOY M R, PAL B P. A standard fiber-based loop mirror as a gain -flattening filter for erbium-doped fiber amplifiers[J]. IEEE Photonics Technology Letters, 2005, 17(10): 2056-2058.
[11] LIU Li-song, PENG Jian, ZHANG Chen-fang, et al. A novel high concentration silica erbium-doped fiber with large mode field diameter[J]. Acta Optica Sinica, 2010, 30(s1): s100209.
[12] LIU Li-song, REN Wen-hua, CHEN Wei-guo, et al. Research on fabrication and characteristic of twin-core erbium-doped fiber[J]. Chinese Journal of Lasers, 2011, 38(8): 0805002.
[13] ROSA H G, de SOUZA E A. Erbium-doped fiber laser passively mode-locked by thin films incorporating carbon nanotubes[J]. IEEE, LEOS Annual Meeting Conference Proceedings, 2009, LEOS 09, 2009: 687-688.
[14] TIAN Zhen, LIU Shan-liang, ZANG Bing-yuan, et al. Graphene mode-locked erbium-doped fiber pulse laser[J]. Chinese Journal Of Lasers, 2011, 38(3): 0302005.
[15] LIU Peng-zu, HONG Jing, ZHANG Bin, et al. 1550 nm Passively mode-locked fiber laser with a semiconductor saturable absorber[J]. Chinese Journal Of Lasers, 2011, 38(7): 0702017.
[18] CUI Guo-qi, DONG Xiao-yi, ZHANG Jian-zhong, et al. Characteristic analysis on erbium-doped fiber amplifications pumped with CW and pulse light sources[J]. Laser & Infrared, 1992, 22(2): 26-29.
[19] KO K Y, DEMOKAN M S, TAM H Y. Transient analysis of erbium-doped fiber amplifiers[J]. IEEE Photonics Technology Letters, 1994, 6(12): 1436-1438.
[20] LIU Yu, MING Hai, WANG Sheng-bo, et al. Research into gain modulation characteristics of erbium-doped fiber pumped pulsed laser[J]. Chinese Journal of Quantum Electronics, 1996, 13(6): 517-521.
[21] JIANG Nan, WU Chong-qing, WANG Yong-jun, et al. Measurement and analysis of recovery time of erbium-doped fiber amplifiers[J]. Semiconductor Optoelectronics, 2007, 28(2): 176-178.
[22] LI Wei-nan. Study on The transient response of the EDFA caused by the pump [D]. Beijing: Beijing Jiaotong University, 2012, Jan.
[23] WANG Fu, WU Chong-qing, LIU Lan-lan. Active spontaneous emission in erbium-doped fiber with small pulse pump[J]. Acta Optica Sinica, 2012, 32(7): 0706002.
[24] WANG Fu. Study on the wavelength for 980nm optical switch and the active spontaneous emission in EDF[D]. Beijing: Beijing Jiaotong University, 2012.6: 31-38.
[26] LI Gao, CHANG Xiu-fang. On solution to second-order variation homogenous coefficient linear differential equaions[J]. Journal of Hebei North University(Natural Science Edition), 2010, 26(6): 12-13.