[1] [1] G D Goodno, H Komine, S J McNaught, et al.. Coherent combination of high-power, zigzag slab lasers[J]. Opt Lett, 2006, 31(9): 1247-1249.

[2] [2] T Y Fan. Laser beam combining for high-power, high radiance sources[J]. IEEE J Sel Top Quantum Electron, 2005, 11(3): 567-577.

[3] [3] J Marmo, H Injeyan, H Komine, et al.. Joint high power solid state laser program advancements at Northrop Grumman[C]. SPIE, 2009: 719507.

[4] [4] J Anderegg, S Brosnan, E Cheung, et al.. Coherently coupled high power fiber arrays[C]. SPIE, 2006: 61020U.

[5] [5] S J Augst, J K Ranka, T Y Fan, et al.. Beam combining of ytterbium fiber amplifiers[J]. J Opt Soc Am B, 2007, 24(8): 1707-1715.

[6] [6] T M Shay, V Benham, J T Baker, et al.. First experimental demonstration of self-synchronous phase locking of an optical array[J]. Optics Express, 2006, 14(25): 12015-12021.

[7] [7] M A Vorontsov, T Weyrauch, L A Beresnev, et al.. Adaptive array of phase-locked fiber collimators: analysis and experimental demonstration[J]. IEEE J Sel Top Quantum Electron, 2009, 15(2): 269-280.

[8] [8] He Bing, Lou Qihong, Wang Wei, et al.. Experimental demonstration of phase locking of a two- dimensional fiber laser array using a self-imaging resonator[J]. Appl Phys Lett, 2008, 92(25): 251115.

[9] [9] Li Jianfeng, Duan Kailiang, Wang Jianming, et al.. Experiment of coherence-locking of two photonic crystal fiber lasers[J]. Acta Optica Sinica, 2008, 28(5): 923-926.

[10] [10] Zhou Pu, Wang Xiaolin, Ma Yanxing, et al.. Aperture filling-an important technique in coherent beam combining of fiber laser array[J]. Laser & Optoelectronics Progress, 2010, 47(2): 021401.

[11] [11] He Bing, Zhou Jun, Liu Houkang, et al.. Study on characteristics of passive coherent beam combination with all-optical feedback loop[J]. Chinese J Lasers, 2013, 40(6): 0601001.

[12] [12] Mu Jie, Jing Feng, Wang Xiao, et al.. Error control of piston and tilt based on SPGD in coherent beam combination[J]. Chinese J Lasers, 2014, 41(6): 0602002.

[13] [13] Su Rongtao, Zhou Pu, Ma Yanxing, et al.. Coherent beam combining of two nanosecond fiber pulse lasers[J]. Chinese J Lasers, 2012, 39 (1): 0102004.

[14] [14] S J Augst, T Y Fan, A Sanchez. Coherent beam combining and phase noise measurements of ytterbium fiber amplifiers[J]. Opt Lett, 2004, 29(5): 474-476.

[15] [15] Huang Zhimeng, Luo Yongquan, Zhang Dayong, et al.. Active phase control in laser coherent combination based on liquid crystal optical modulator[J]. Chinese J Lasers, 2010, 37(7): 1713-1716.

[16] [16] Huang Zhimeng, Zhang Dayong, Luo Yongquan, et al.. A new configuration for phase control in laser coherent combination utilizing liquid crystal optical modulator[J]. Appl Phys B, 2010, 101(3): 559-563.

[17] [17] Huang Zhimeng, Liu Cangli, Li Jianfeng, et al.. Numerical analysis of coherent combination for fiber lasers and application to beam steering[J]. Laser Physics, 2012, 22(8): 1347-1352.

[18] [18] Huang Zhimeng, Luo Yongquan, Zhang Dayong, et al.. Transformation characteristic of phase and polarization in laser coherent combination[J]. Chinese J Lasers, 2010, 37(s1): 172-176.

[19] [19] Huang Zhimeng, Wang Haifeng, Ding Mingjun, et al.. Coherent combining of fiber laser and application to laser beam propagation through turbulence atmosphere[J]. Optics and Precision Engineering, 2011, 19(S)7: 50-54.

[20] [20] Wang Xiaolin, Zhou Pu, Ma Yanxing, et al.. Active phasing a nine-element 1.14 kW all-fiber two-tone MOPA array using SPGD algorithm[J]. Opt Lett, 2011, 36(16): 3121-3123.

[21] [21] C X Yu, S J Augst, S M Redmond, et al.. Coherent combining of a 4 kW, eight-element fiber amplifier array[J]. Opt Lett, 2011, 36(14): 2686-2688.

[22] [22] Geng Chao, Luo Wen, Tan Yi, et al.. Experimental demonstration of using divergence cost-function in SPGD algorithm for coherent beam combining with tip/tilt control[J]. Opt Express, 2013, 21(21): 25045-25055.

[23] [23] Zheng Yi, Shen Feng. Research on phase-locking technique for 2-channels fiber laser coherent beam combination based on stochastic parallel gradient descent algorithm[J]. Chinese J Lasers, 2010, 37(3): 631-635.

[24] [24] Wang Xiaolin, Zhou Pu, Ma Yanxing, et al.. Phase control of coherent fiber laser array using stochastic parallel gradient descent algorithm and its application[J]. Acta Optica Sinica, 2010, 30(10): 2874-2878.

[25] [25] G Mourou, B Brocklesby, T Tajima, et al.. The future is fibre accelerators[J]. Nat Photonics, 2013, 7(4): 258-261.

[26] [26] Huang Zhimeng, Liu Cangli, Li Jianfeng, et al.. A high-speed high-efficiency phase controller for coherent beam combining based on SPGD algorithm[J]. Quantum Electronics, 2014, 44(4): 301-305.

[27] [27] Zhou Pu, Liu Zejin, Ma Yanxing, et al.. Simulation and experimental investigation on coherent beam combnaction of two fiber amplifiers based on stochastic parallel gradient dsecent algorithm[J]. Acta Optica Sinica, 2009, 29(2): 431-436.

[28] [28] Zhou Pu, Wang Xiaolin, Ma Yanxing, et al.. Phase locking of sixteen laser beams using stochastic parallel gradient descent algorithm[J]. Chinese J Lasers, 2010, 37(2): 367-369.

[29] [29] Yang Huizhen, Li Xinyang, Jiang Wenhan. Simulation and analysis of stochastic parallel gradient descent control algorithm for adaptive optics system[J]. Acta Optica Sinica, 2007, 27(8): 1355-1360.

[30] [30] A Flores, T M Shay, C A Lu, et al.. Coherent beam combining of fiber amplifiers in a kW regime[C]. CLEO, OSA Technical Digest (CD) (Optical Society of America, 2011), paper CFE3.

[31] [31] L Liu, D N Loizos, M A Vorontsov, et al.. Coherent combining of multiple beams with multi-dithering technique: 100 kHz closedloop compensation demonstration[C]. SPIE, 2007, 6708: 67080D.

[32] [32] P Bourdon, V Jolivet, B Bennai, et al.. Coherent beam combining of fiber amplifier arrays and application to laser beam propagation through turbulent atmosphere[C]. SPIE, 2008, 6873: 687316.

[33] [33] V Jolivet, P Bourdon, B Bennai, et al.. Beam shaping of single-mode and multimode fiber amplifier arrays for propagation through atmospheric turbulence[J]. IEEE J Sel Top Quantum Electron, 2009, 15(2): 257-268.

[34] [34] Ma Yanxing, Zhou Pu, Wang Xiaolin, et al.. Coherent beam combination with single frequency dithering technique [J]. Opt Lett, 2010, 35(9): 1308-1310.

[35] [35] Ma Yanxing, Wang Xiaolin, Leng Jinyong, et al.. Coherent beam combination of 1.08 kW fiber amplifier array using single frequency dithering technique[J]. Opt Lett, 2011, 36(6): 951-953.

[36] [36] Tang Xuan, Huang Zhimeng, Zhang Dayong, et al.. An active phase locking of multiple fiber channels via square wave dithering algorithm[J]. Opt Commun, 2014, 321: 198-204.

[37] [37] Huang Zhimeng, Tang Xuan, Wang Xiaojun, et al.. Phase locking of slab laser amplifiers via square wave dithering algorithm[J]. Appl Opt, 2014, 53(10): 2163-2169.

[38] [38] J Harriman, S Serati, J Stockley. Comparison of transmissive and reflective spatial light modulators for optical manipulation[C]. SPIE, 2005, 5930: 605-614.

[39] [39] Zhou Pu, Ma Yanxing, Wang Xiaolin, et al.. Dynamical simulation and control bandwidth analysis on coherent beam combining of fiber amplifiers based on stochastic parallel gradient descent algorithm[J]. Chinese J Lasers, 2009, 36(11): 2972-2977.

[40] [40] Luo Cheng, Su Rongtao, Wang Xiaolin, et al.. Adaptive stochastic parallel gradient descent algorithm and its application in coherent beam combining[J]. Acta Optica Sinica, 2014, 34(s1): s101006.