[1] [1] J. L. Zhou, L. Xia, X. P. Cheng et al.. Photonic generation of tunable microwave signals by beating a dual-wavelength single longitudinal mode fiber ring laser［J］. Appl. Phys. B, 2008, 91(1): 99～103

[2] [2] Xu Huiwen, Yang Hua, Wen Shuangchun et al.. Tunable multi-wavelength erbium-doped fiber laser based on nonlinear polarization rotation［J］. Chinese J. Lasers, 2009, 36(9): 2272～2276

[3] [3] S. L. Pan, J. P. Yao. A wavelength-switchable single-longitudinal-mode dual-wavelength erbium-doped fiber laser for switchable microwave generation［J］. Opt. Express, 2009, 17(7): 5414～5419

[4] [4] C. H. Yeh, T. T. Huang, H. C. Chien et al.. Tunable S-band erbium-doped triple-ring laser with single-longitudinal-mode operation［J］. Opt. Express, 2007, 15(2): 382～386

[5] [5] S. L. Pan, J. P. Yao. Frequency-switchable microwave generation based on a dual-wavelength single-longitudinal-mode fiber laser incorporating a high-finesse ring filter［J］. Opt. Express, 2009, 17(14): 12167～12173

[6] [6] A. Bellemare, M. Karasek, M. Rochette et al.. Room temperature multifrequency erbium-doped fiber lasers anchored on the ITU frequency grid［J］. J. Lightwave Technol., 2000, 18(6): 825～831

[7] [7] Sun Guoyong, Qu Ronghui, Yang Jing et al.. Study on stable multi-wavelength erbium-doped fiber at room temperature［J］. Acta Optica Sinica, 2005, 25(6): 821～824

[8] [8] Zhang Zuxing, Dai Guoxing, Kuang Qingqiang. Spacing adjustable multiwavelength fiber laser based on stimulated Brillouin scattering［J］. Acta Photonica Sinica, 2010, 39(5): 815～819

[9] [9] X. P. Cheng, P. Shum, C. H. Tse et al.. Single-longitudinal-mode erbium-doped fiber laser ring laser based on high finesse fiber grating Fabry-Perot etalon［J］. IEEE Photon. Technol. Lett., 2008, 20(12): 976～978

[10] [10] Hu Zongfu, Wang Hao. Multi-wavelength laser generated by an active fiber ring resonator incorporating an optical phase modulator［J］. Acta Optica Sinica, 2010, 30(3): 833～838

[11] [11] Liu Yange, Feng Xinhuan, Dong Xiaoyi, Progress in room-temperature stable multi-wavelength fiber laser technologies［J］. Chinese J. Lasers, 2007, 34(7): 883～894

[12] [12] Chi Ronghua, Lü Kecheng, Chen Shengping et al.. Research on lasing wavelength of fiber grating laser［J］. Acta Optica Sinica, 2003, 23(11): 1315～1319

[13] [13] X. X. Yang, L. Zhan, Q. S. Shen et al.. High-power single-longitudinal-mode fiber laser with a ring Fabry-Perot resonator and a saturable absorber［J］. IEEE Photon. Technol. Lett., 2008, 20(11): 879～881

[14] [14] S. L. Pan, C. Y. Lou, Y. Z. Gao. Multiwavelength erbium-doped fiber laser based on inhomogeneous loss mechanism by use of a highly nonlinear fiber and a Fabry-Perot filter［J］. Opt. Express, 2006, 14(3): 1113～1118

[15] [15] J. Liu, J. P. Yao, T. H. Yeap. Single-longitudinal-mode multiwavelength fiber ring laser［J］. IEEE Photon. Technol. Lett., 2004, 16(4): 1020～1022