[1] [1] I. Dajani, C. Zeringue, T. Shay. Investigation of nonlinear effects in multitone-driven narrow-linewidth high-power amplifiers［J］. IEEE J. Sel. Top. Quantum Electron., 2009, 15(2): 406～414

[2] [2] 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

[3] [3] G. D. Goodno, C. P. Asman, J. Anderegg et al.. Brightness-scaling potential of actively phase-locked solidstate laser arrays［J］. IEEE J. Sel. Top. Quantum Electron., 2007, 13(3): 460～472

[4] [4] T. M. Shay, V. Benham, J. T. Baker et al.. First experimental demonstration of self-synchronous phase locking of an optical array［J］. Opt. Express, 2006, 14(25): 12022～12027

[5] [5] P. Zhou, Z. Liu, X. Wang et al.. Coherent beam combining of fiber amplifiers using stochastic parallel gradient descent algorithm and its application［J］. IEEE J. Sel. Top. Quantum Electron., 2009, 15(2): 248～256

[6] [6] S. J. Augst, J. Ranka, T. Y. Fan et al.. Beam combining of ytterbium fiber amplifiers［J］. J. Opt. Soc. Am. B, 2007, 24(8): 1707～1715

[7] [7] C. J. Corcoran, S. Brosnan, E. Cheung et al.. Coherently coupled high power fiber arrays［C］. SPIE, 2006, 6102: 61020U

[8] [8] Y. Huo, P. K. Cheo. Analysis of transverse mode competition and selection in multicore fiber lasers［J］. J. Opt. Soc. Am. B, 2005, 22(11): 2345～2349

[9] [9] M. Wrage, P. Glas, M. Leitner. Combined phase locking and beam shaping of a multicore fiber laser by structured mirrors［J］. Opt. Lett., 2001, 26(13): 980～982

[10] [10] C. J. Corcoran, F. Durville. Experimental demonstration of a phase-locked laser array using a self-Fourier cavity［J］. Appl. Phys. Lett., 2005, 86(20): 201118

[11] [11] H. Bruesselbach, D. C. Jones, Metin S. Mangir et al.. Self-organized coherence in fiber laser arrays［J］. Opt. Lett., 2005, 30(11): 1339～1341

[12] [12] Zhou Pu, Wang Xiaoling, 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

[13] [13] Yan Aimin, Liu Liren, Liu De′an et al.. Recent progress in phase-locking and aperture filling of fiber laser arrays［J］. Laser & Optoelectronics Progress, 2008, 45(8): 33～39

[14] [14] E. J. Bochove, C. J. Corcoran. In-phase supermode selection in a multicore fiber laser array by means of a self-Fourier external cavity［J］. Appl. Opt., 2007, 46(22): 5009～5018

[15] [15] Lu Changyong, Liu Xu, Liu Yang et al.. Coherent combining of two beams based on polarization phase locking［J］. Chinese J. Lasers, 2009, 36(6): 1437～1441

[16] [16] Hongcheng Dong, Xiao Li, Chaoyang Wei et al.. Coaxial combination of coherent laser beams［J］. Chin. Opt. Lett., 2009, 7(11): 1012～1014

[17] [17] Yan Lianshan, Zhang Shiwen. Study about polarized combination of two beams［J］. Laser & Infrared, 1999, 29(4): 199～201

[18] [18] R. Uberna, A. Bratcher, B. G. Tiemann. Coherent polarization beam combination［J］. IEEE J. Quantum Electron., 2010, 46(8): 1191～1196

[19] [19] R. Uberna, A. Bratcher, B. G. Tiemann. Power scaling of a fiber master oscillator power amplifier system using a coherent polarization beam combination［J］. Appl. Opt., 2010, 49(35): 6762～6765

[20] [20] Y. Ma, P. Zhou, X. Wang et al.. Coherent beam combination with single frequency dithering technique［J］. Opt. Lett., 2010, 50(9): 1308～1310