[1] [1] David R. Smith, Norman Kroll. Negative refractive index in left-handed materials[J]. Phys. Rev .Lett., 2000, 85(14): 2933～2936

[2] [2] R. A. Shelby, D. R. Smith, S. Schultz. Experimental verification of a negative index of refraction[J]. Science, 2001, 292(5514): 77～79

[5] [5] Burak Temelkuran, Shandon Hart, Gilles Benoit et al.. Wavelength-scalable hollow optical fibres with large photonic bandgaps for CO2 laser transmission[J]. Nature, 2002, 420: 650～653

[6] [6] Kunyuan Xu, Xiguang Zheng, Cailian Li et al.. Design of omnidirectional and multiple channeled filters using one-dimensional photonic crystals containing a defect layer with a negative refractive index[J]. Phys. Rev. E, 2005, 71(6): 066604-1～066604-11

[9] [9] T. Morioka. Supercontinuum lightwave optical sources for large capacity transmission[C]. Proc. ECOC, Brussels,1995, 2: 821～828

[10] [10] Kuangyi Wu, Jianyu Liu. Method and apparatus for wavelength multiplexing/demultiplexing[P]. United States Patent, US6163393, Dec.19, 2000

[12] [12] Jensen Li, Lei Zhou, C. T. Chan et al.. Photonic band gap from a stack of positive and negative index materials[J]. Phys. Rev. Lett., 2003, 90(8): 083901-1～083901-4

[13] [13] Kunyuan Xu, Xiguang Zheng, Weilong She. Properties of defect modes in one-dimensional photonic crystals containing a defect layer with a negative refractive index[J]. Appl. Phys. Lett., 2004, 85(25): 6089～6091