[1] J. C. Knight,T. A. Birks,P. St. J. Russell et al.. All-silica single-mode optical fiber with photonic crystal cladding [J]. Opt. Lett,1996,21:1547-1549
[2] J. C. Knight,J. Broeng,T. A. Birks et al.. Photonic band gap guidance in optical fiber [J]. Science,1998,282:1476-1478
[3] B. J. Mangan,J. C. Knight,T. A. Birks et al.. Experimental study of dual core photonic crystal fiber [J]. Electron. Lett.,2000,36:1358-1359
[4] B. H. Lee,J. B. Eom,J. Kim et al.. Photonic crystal fiber coupler [J]. Opt. Lett.,2002,27:812-814
[5] Y. Yue,G. Y. Kai,Z. Wang et al.. Broadband single-polarization single-mode photonic crystal fiber coupler [J]. IEEE Photon Technol Lett.,2006,18:2032-2034
[7] K. Saitoh,Y. Sato,M. Koshiba. Coupling Characteristics of Dual-core Photonic Crystal Fiber Couplers [J]. Opt. Express,2003,11:3188-3195
[8] T. A. Birks,J. C. Knight,P. S. J. Russell. Endlessly single-mode photonic crystal fiber [J]. Opt. Lett.,1997,22:961-963
[9] T. P. White,R. C. McPhedran,C. M. de. Sterke et al.. Confinement losses in microstructured optical fibers [J]. Opt. Lett.,2001,26(21):1660-1662
[10] A. W. Snyder. Coupled-mode Theory for Optical Fibers [J]. Opt. Soc. Am.,1972,62:1267-1277
[11] A. W. Snyder,J. D. Love. Optical waveguide theory [M]. London:Chapman and Hall,1983
[14] A. Takagi,K. Jinguji,M. Kawachi. Broadband silica-based optical waveguide coupler with asymmetric structure [J]. Electron. Lett.,1990,26:132~133
[15] A. Takagi,K. Jinguji,M. Kawachi. Design and fabrication of broad-band silica-based optical waveguide couplers with asymmetric structure [J]. IEEE J. Quant. Electron.,1992,28:848-855