[1] [1] Zhu X, Liu J, Bi D, et al. Development of all-solid coherent Doppler wind lidar [J]. Chinese Optics Letters, 2011, 10(1):60-62.

[2] [2] Shi Wei, Fu Shijie, Fang Qiang, et al. Single-frequency fiber laser based on rare-earth-doped silica fiber[J]. Infrared and Laser Engineering, 2016, 45(10): 1003001. (in Chinese)

[3] [3] Qi G, Xiong S, Liang X, et al. High-performance and narrow line-width nanosecond pulse laser amplifier for weak signal [J]. Infrared and Laser Engineering, 2015, 44(11): 3234-3237.

[4] [4] Alegria C, Jeong Y, Codemard C, et al. 83-W single-frequency narrow-linewidth MOPA using large-core erbium-ytterbium co-doped fiber [J]. Photonics Technology Letters, 2004, 16(8): 1825-1827.

[5] [5] Kablukov S I, Zlobina E A, Podivilov E V, et al. Output spectrum of Yb-doped fiber lasers[J]. Optics Letters, 2012, 37(13): 2508-2510.

[6] [6] Jeong Y, Sahu J K, Soh D B S, et al. High-power tunable single-frequency single-mode erbium: ytterbium codoped large-core fiber master-oscillator power amplifier source [J]. Optics Letters, 2005, 30(30): 2997-2999.

[7] [7] Yang C, Xu S, Mo S, et al. 10.9 W kHz-linewidth one-stage all-fiber linearly-polarized MOPA laser at 1 560 nm [J]. Optics Express, 2013, 21(10): 12546-12551.

[8] [8] Bai X, Sheng Q, Zhang H, et al. High-power all-fiber single-frequency Erbium-Ytterbium co-doped fiber master oscillator power amplifier [J]. Photonics Journal, 2015, 7(6): 1-6.

[9] [9] Moller L. Novel aspects of spectral broadening due to fiber amplifier phase noise[J]. Quantum Electronics, 1998, 34(9): 1554-1558.

[10] [10] Iolanda R, Simona M, Pasquale M, et al. Phase noise analysis of a 10 Watt Yb-doped fibre amplifier seeded by a 1-Hz-linewidth laser [J]. Optics Express, 2013, 21(12):14618-14626.

[11] [11] Rochat E, Dandliker R, Haroud K, et al. Fiber amplifiers for coherent space communication [J]. Quantum Electronics, 2001, 7(1): 64-80.

[12] [12] Chen W, Sha J, Wang Y, et al. Investigation of temperature influence on output performances of high-power cladding-pumped Er, Yb co-doped fiber laser [C]//SPIE, 2013, 86012: 86012A.