[1] [1] Duan Kailiang, Zhao Baoyin, Zhao Wei, et al.. 1000 W all-fiber laser[J]. Chinese J Lasers, 2009, 12: 3219.

[2] [2] Yan Ping, Xiao Qirong, Fu Chen, et al.. 1.6 kW all-fiber Yb-doped laser[J]. Chinese J Lasers, 2012, 39(4): 218.

[3] [3] Liu Zejin, Leng Jinyong, Guo Shaofeng, et al.. All-fiber 2 kW nearly single transverse mode fiber laser[J]. Chinese J Lasers, 2013, 9: 0908003.

[4] [4] Dai Shoujun, He Bing, Zhou Jun, et al.. 1.5 kW nearly single transverse mode all-fiber laser[J]. Chinese J Lasers, 2013, 40(7): 0702001.

[5] [5] Shirakawa A, Hiwada K, Hasegawa S, et al.. All-fiber linearly-polarized Yb-doped fiber laser yielding 2.2-W green second harmonics[C]. CLEO/Pacific Rim, 2005. 410-411.

[6] [6] Khitrov V, Samson B, Manyam U, et al.. Linearly polarized high-power fiber lasers with monolithic PM-LMA-fiber and LMAgrating based cavities and their use for nonlinear wavelength conversion[C]. SPIE, 2005, 5709: 53-58.

[7] [7] Manyam U H, Samson B, Khitrov V, et al.. Laser fibers designed for single polarization output[C]. ASSP, 2004. MA6.

[8] [8] Wikszak E, Thomas J, Klingebiel S, et al.. Linearly polarized ytterbium fiber laser based on intracore femtosecond-written fiber Bragg gratings[J]. Optics Letters, 2007, 32(18): 2756-2758.

[9] [9] Geiger J, Fitzau O, Zintzen B, et al.. Single-mode, highly polarized Yb-doped fiber laser with 850 W output power[C]. ASSP, 2008. WA7.

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

[11] [11] Willis C C C, Mckee E, Bwetter P, et al.. Highly polarized all-fiber thulium laser with femtosecond-laser-written fiber Bragg gratings[J]. Optics Express, 2013, 21(9): 10467-10474.

[12] [12] El-Damak A R, Jianhua C, Jian S, et al.. Dual-wavelength, linearly polarized all-fiber laser with high extinction ratio[J]. IEEE Photonics Journal, 2013, 5(4): 1501406.

[13] [13] Wang J, Hu J, Zhang L, et al.. A 100 W all-fiber linearly-polarized Yb-doped single-mode fiber laser at 1120 nm[J]. Optics Express, 2012, 20(27): 28373-28378.

[14] [14] Belke S, Becker F, Neumann B, et al.. Completely monolithic linearly polarized high-power fiber laser oscillator[C]. SPIE, 2014, 8961: 896124.