[1] [1] Li Pingxue, Zhang Xuexia, Zou Shuzhen et al.. A quasi-continuous-wave 980 nm Yb-doped single-mode fiber laser and amplifier［J］. Chinese J. Lasers, 2010, 37(7): 1688～1691

[2] [2] Wang Yuanxiang, Jiang Peipei, Yang Dingzhong et al.. All-fiberized master oscillator power amplifier structured pulsed Yb fiber laser［J］. Chinese J. Lasers, 2009, 36(7): 1861～1965

[3] [3] Li Jinyan, Li Haiqing, Jiang Zuowen et al.. Development of double cladding ytterbium doped fiber［J］. Laser & Optoelectronics Progress, 2006, 43(7): 3～8

[4] [4] P. K. Cheo, A. Liu, G. G. King. A high-brightness laser beam from a phase-locked multicore Yb-doped fiber laser array［J］. IEEE Photon. Technol. Lett., 2001, 13(5): 439～441

[5] [5] E. J. Bochove, P. K. Cheo, G. G. King. Self-organization in a multicore fiber laser array［J］. Opt. Lett., 2003, 28(14): 1200～1202

[6] [6] Yanming Huo, Peter K. Cheo, George G. King. Fundamental mode operation of a 19-core phase-locked Yb-doped fiber amplifier［J］. Opt. Express, 2004, 12(25): 6230～6239

[7] [7] Xiaoliang Zhu, Libo Yuan, Jun Yang et al.. Coupling model of standard single-mode fiber and capillary fiber［J］. Appl. Opt., 2009, 48(29): 5624～5628

[8] [8] Zhu Xiaoliang, Yuan Libo. Coupling approach and mechanism on single core fiber and capillary optical fiber［J］. Chinese J. Lasers, 2011, 38(5): 0505009

[9] [9] Chunying Guan, Libo Yuan, Qiang Dai et al.. Supermodes analysis for linear-core-array microstructured fiber［J］. J. Lightwave Technol., 2009, 27(11): 1741～1745

[10] [10] J. A. Besley, J. D. Love. Supermode analysis of fibre transmission［J］. IEE Proc. Optoelectron., 1997, 144(6): 411～419

[11] [11] T. A. Birks, Y. W. Li. The shape of fiber tapers［J］. J. Lightwave Technol., 1992, 10(4): 432～438

[12] [12] Wang Chuncan, Zhang Fan, Tong Zhi et al.. Enhancing in-phase supermode selection for multicore fiber laser［J］. High Power Laser & Particle Beams, 2007, 19(10): 1594～1598

[13] [13] Zhou Pu, Hou Jing, Chen Zilun et al.. Study on the supermode and mode selection in multicore fiber laser［J］. Acta Optica Sinica, 2007, 27(10): 1812～1816