[1] [1] Zhang Xin, Chen Wei, Liu Yu et al.. Single longitudinal mode fiber laser with multiple ring cavities and its frequency stabilization [J]. Chinese J. Lasers, 2007, 34(1):50～54

[2] [2] Y. Takushima, S. Yamashita, K. Kikuchi et al.. Polarization-stable and single-frequency fiber lasers [J]. J. Lightwave. Technol., 1998, 16(4):661～669

[3] [3] Jian Liu, Jianping Yao, Jian Yao et al.. Single-longitudinal-mode multiwavelength fiber ring laser [J]. IEEE Photon. Technol. Lett., 2004, 16(4):1020～1022

[4] [4] Qinghe Mao, J. W. Y. Lit. Switchable multiwavelength erbium-doped fiber laser with cascaded fiber grating cavities [J]. IEEE Photon. Technol. Lett., 2002, 14(5):612～614

[5] [5] Y. Z. Xu, H. Y. Tam, W. C. Du et al.. Tunable dual-wavelength-switching fiber grating laser [J]. IEEE Photon. Technol. Lett., 1998, 10(3):334～336

[6] [6] Yang Shiquan, Zhao Chunliu, Yuan Shuzhong et al.. Wavelength tunable linear cavity erbium-doped fiber laser operating in L-band [J]. Acta Optica Sinica, 2002, 22(6):706～708

[7] [7] Zhang Shumin, Dong Fajie, Lü Fuyun et al.. Wavelength tunable ring Er3+/Yb3+ co-doped fiber laser operating in L-band [J]. Chinese J. Lasers, 2005, 32(4):449～452

[8] [8] S. Hu, L. Zhan, Y. J. Song et al.. Switchable multiwavelength erbium-doped fiber ring laser with a multisection high-birefringence fiber loop mirror [J]. IEEE Photon. Technol. Lett., 2005, 17(7):1387～1389

[9] [9] Donghui Zhao, Shenping Li, Kam Tai Chan. Precise and rapid wavelength-switching of fibre laser using semiconductor optical amplifier [J]. Electron. Lett., 2001, 37(15):945～946

[10] [10] Y. G. Han, G. Kim, J. H. Lee et al.. Lasing wavelength and spacing switchable multiwavelength fiber laser from 1510 to 1620 nm [J]. IEEE Photon. Technol. Lett., 2005, 17(5):989～991

[11] [11] D. Derickson. Fiber Optic Test and Measurement [M]. New Jersey: Prentice Hall PTR, 1998. 185～189

[12] [12] Y. Z. Xu, H. Y. Tam, W. C. Du et al.. Tunable dual-wavelength-switching fiber grating laser [J]. IEEE Photon. Technol. Lett., 1998, 10(3):334～336