[1] G A Ball, W W Morey, W H Glenn. Standing-wave monomode erbium fiber laser[J]. IEEE Photon Technol Lett, 1991, 3(7): 613-615.

[2] M Sejka, P Varming, J Hubner, et al.. Distributed feedback Er3+-doped fibre laser[J]. Electron Lett, 1995, 31(17): 1445-1446.

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

[4] Xiaoying He, Xia Fang, Changrui Liao, et al.. A tunable and switchable single-longitudinal mode dual-wavelength fiber laser with a simple linear cavity[J]. Opt Express, 2009, 17(24): 21773-21781.

[5] J Sun, X Yuan, X Zhang, et al.. Single-longitudinal-mode fiber ring laser using fiber grating-based Fabry-Perot filters and variable saturable absorbers[J]. Opt Commun, 2006, 267(1): 177-181.

[6] D Chen, H Fu, W Liu, et al.. Dual-wavelength single-longitudinal-mode erbium-doped fibre laser based on fibre Bragg grating pair and its application in microwave signal generation[J]. Electron Lett, 2008, 44(7): 459-460.

[7] J L Wagener, P F Wysocki, M J F Digonnet, et al.. Effects of concentration and clusters in erbium-doped fiber lasers [J]. Opt Lett, 1993, 18(23): 2014-2016.

[8] L Dong, W H Loh, J E Caplen, et al.. Efficient single-frequency fiber lasers with novel photosensitive Er/Yb optical fibers[J]. Opt Lett, 1997, 22(10): 694-697.

[9] W H Loh, B N Samson, L Dong, et al.. High performance single frequency fiber grating-based erbium:ytterbiumcodoped fiber lasers[J]. J Lightwave Technol, 1998, 16(1): 114-118.

[10] C Spiegelberg, J Geng, Y Hu, et al.. Low-noise narrow-linewidth fiber laser at 1550 nm (June 2003) [J]. J Lightwave Technol, 2004, 22(1): 57-62.

[11] Shupei Mo, Shanhui Xu, Xiang Huang, et al.. A 1014 nm linearly polarized low noise narrow linewidth single-frequency fiber laser[J]. Opt Express, 2013, 21(10): 12419-12423.

[12] 湛彪, 徐善辉, 莫树培, 等. 短腔单频DBR 光纤激光器中弛豫振荡噪声抑制的研究[J]. 激光与光电子学进展, 2013, 50(9): 090602.

    Zhan Biao, Xu Shanhui, Mo Shupei, et al.. Study on the relaxation oscillation suppression in a short-cavity singlefrequency DBR fiber laser[J]. Laser & Optoelectronics Process, 2013, 50(9): 090602.

[13] 杨飞, 陈迪俊, 潘政清, 等. 光纤光栅主动稳频的短直线腔单频光纤激光器[J]. 中国激光, 2012, 39(9): 0902005.

    Yang Fei, Chen Dijun, Pan Zhengqing, et al.. Short linear cavity single-frequency fiber laser with active frequency stabilization by fiber Bragg grating[J]. Chinese J Lasers, 2012, 39(9): 0902005.

[14] L Li, A Schülzgen, X Zhu, et al.. 1 W tunable dual-wavelength emission from cascaded distributed feedback fiber lasers [J]. Appl Phys Lett, 2008, 92(5): 051111.

[15] Bai-Ou Guan, Yang Zhang, Li-Wei Zhang, et al.. Electrically tunable microwave generation using compact dualpolarization fiber laser[J]. IEEE Photonic Technol Lett, 2009, 21(11): 727-729.

[16] Erlend Ronnekleiv, Sigurd W Lovseth, Jon T Kringlebotn. Er-doped fiber distributed feedback lasers-properties, applications and design considerations[C]. SPIE, 2003, 4943: 69-80.

[17] V C Lauridsen, J H Povlsen, P Varming. Design of DFB fiber lasers[J]. Electron Lett, 1998, 34(21): 2028-2030.

[18] Kuthan Yelen, Louise M B Hickey, Mikhail N. Zervas. A new design approach for fiber DFB lasers with improved efficiency[J]. IEEE J Quantum Electron, 2004, 40(6): 711-720.

[19] Kuthan Yelen, Mikhail N Zervas, Louise M B Hickey. Fiber DFB lasers with ultimate efficiency[J]. J Lightwave Technol, 2005, 23(1): 32-43.

[20] Xiangfei Chen, Jianping Yao, Zhichao Deng. Ultranarrow dual-transmission-band fiber Bragg grating filter and its application in a dual-wavelength single-longitudinal-mode fiber ring laser[J]. Opt Lett, 2005, 30(16): 2068-2070.

[21] Jie Sun, Yitang Dai, Yejin Zhang, et al.. Dual-wavelength DFB fiber laser based on unequalized phase shifts[J]. IEEE Photon Technol Lett, 2006, 18(23): 2493-2495.

[22] Y T Dai, X F Chen, J Sun, et al.. Dual-wavelength DFB fiber laser based on a chirped structure and the equivalent phase shift method[J]. IEEE Photon Technol Lett, 2006, 18(18): 1964-1966.

[23] Y Yao, X F Chen, Y T Dai, et al.. Dual-wavelength erbium-doped fiber laser with a simple linear cavity and its application in microwave generation[J]. IEEE Photon Technol Lett, 2006, 18(1): 187-189.

[24] Dianjie Jiang, Xiangfei Chen, Yitang Dai, et al.. A novel distributed feedback fiber laser based on equivalent phase shift [J]. IEEE Photon Technol Lett, 2004, 16(12): 2598-2600.

[25] Xueming Liu. A novel dual-wavelength DFB fiber laser based on symmetrical FBG structure[J]. IEEE Photon Technol Lett, 2007, 19(9): 632-634.

[26] Xueming Liu, Yongkang Gong, Leiran Wang, et al.. Identical dual-wavelength fiber Bragg gratings[J]. J Lightwave Technol, 2007, 25(9): 2706-2710.

[27] Xueming Liu, Aoxiang Lin, Guoyong Sun, et al.. Identical-dual-bandpass sampled fiber Bragg grating and its application to ultranarrow filters[J]. Appl Opt, 2008, 47(30): 5637-5643.

[28] J L Robert, Y Amnon, S Joseph. Laterally coupled-cavity semiconductor lasers[J]. IEEE J Quantum Electron, 1987, 23(4): 395-400.

[29] K D Bijoy, R Raimund, Q Viktor, et al.. Distributed feedback–distributed Bragg reflector coupled cavity laser with a Ti:(Fe:)Er:LiNbO3 waveguide[J]. Opt Lett, 2004, 29(2): 165-167.

[30] S V Chernikov, J R Taylor, R Kashyap. Coupled-cavity erbium fiber lasers incorporating fiber grating reflectors[J]. Opt Lett, 1993, 18(23): 2023-2025.

[31] Feng Ting, Yan Fengping, Li Qi, et al.. Stable and high OSNR compound linear-cavity single-longitudinal-mode erbium-doped silica fiber laser based on an asymmetric four-cavity structure[J]. Chin Phys Lett, 2012, 29(10): 104205.

[32] Feng Ting, Yan Fengping, Li Qi, et al.. Stable single longitudinal mode erbium-doped silica fiber laser based on an asymmetric linear three-cavity structure[J]. Chin Phys B, 2013, 22(1): 014208.

[33] Ou Xu, Shaohua Lu, Suchun Feng, et al.. Proposal and analysis of two-cavity Fabry-Perot structures based on fiber Bragg gratings[J]. J Opt Soc Am A, 2009, 26(3): 639-649.

[34] Ou Xu, Shaohua Lu, Suchun Feng, et al.. Single-longitudinal-mode erbium-doped fiber laser with the fiber-Bragggrating-based asymmetric two-cavity structure[J]. Opt Commun, 2009, 282(5): 962-965.

[35] 焦明星, 邢俊红, 同聪维, 等. 双波长单纵模掺铒光纤环形激光器设计及实验研究[J]. 中国激光, 2013, 40(6): 0602013.

    Jiao Mingxing, Xing Junhong, Tong Congwei, et al.. Design and experimental study of two-wavelength singlelongitudinal-mode erbium-doped fiber ring laser[J]. Chinese J Lasers, 2013, 40(6): 0602013.