[1] [1] P. St. J. Russell. Photonic-crystal fibers [J]. J. Lightwave Technol.,2006,24(12):4729-4749

[2] [2] T. A. Birks,J. C. Knight,P. St. J. Russell. Endlessly single-mode photonic crystal fiber [J]. Opt. Lett.,1997,22(13):961-963

[3] [3] J. C. Knight,J. Broeng,T. A. Birks et al.. Photonic band gap guidance in optical fiber [J]. Science,1998,282(5393):1476-1478

[4] [4] N. M. Lichinitser,S. C. Dunn,P. E. Steinwuzel et al.. Application of an ARROW model for designing tunable photonic devices [J]. Opt. Express,2004,12(8):1540-1550

[5] [5] A. Cerqueira S. Jr.,F. Luan,C. M. B. Cordeiro et al.. Hybrid photonic crystal fiber [J]. Opt. Express,2006,14(2):926-931

[6] [6] K. Saitoh,Y. Sato,M. Koshiba. Coupling characteristics of dual-core photonic crystal fiber couplers [J]. Opt. Express,2003,11(24):3188-3195

[7] [7] Z. Wang,T. Taru,T. A. Birks et al.. Coupling in dual-core photonic bandgap fibers:theory and experiment [J]. Opt. Express,2007,15(8):4795-4803

[8] [8] J. Laegsgaard. Directional coupling in twin-core photonic bandgap fibers [J]. Opt. Lett.,2005,30(24):3281-3283

[9] [9] Xiwen Sun. Wavelength-selective coupling of dual-core photonic crystal fiber with a hybrid light-guiding mechanism [J]. Opt. Lett.,2007,32(17):2484-2486

[10] [10] S. Selleri,L. Vincetti,A. Cucinotta et al.. Complex FEM modal solver of optical waveguides with PML boundary conditions [J]. Opt. Quant. Electron.,2001,33(4):359-371

[11] [11] Gong Taorong,Yan Fengping,Wang Lin et al.. Analysis of properties of high birefringence photonic crystal fibers [J]. Chinese J. Lasers,2008,35(4):559-562

[12] [12] Wei Yan,Chang Deyuan,Zheng Kai et al.. Numerical simulation of temperature properties of photonic crystal fibers [J]. Chinese J. Lasers,2007,34(7):945-951

[13] [13] Qian Xiangzhong. Effect of temperature on transmission properties in photonic crystal fibers infiltrated with liquid crystal [J]. Acta Optica Sinica,2008,28(5):988-991

[14] [14] T. T. Alkeskjold,J. Lgsgaard,A. Bjarklev. All-optical modulation in dye-doped nematic liquid crystal photonic bandgap fibers [J]. Opt. Express,2004,12(24):5857-5871

[15] [15] T. T. Larsen,A. Bjarklev. Optical devices based on liquid crystal photonic bandgap fibres [J]. Opt. Express,2003,11(20):2589-2596