Analysis on characteristics of 1-D apodized and chirped photonic crystals containing negative refractive materials
Kai Tong , Wei-wei Cui , Xiao-hui Xu , Zhi-quan Li
Optoelectronics Letters ›› 2008, Vol. 4 ›› Issue (6) : 440 -442.
Analysis on characteristics of 1-D apodized and chirped photonic crystals containing negative refractive materials
Using transfer matrix method, the optical transmission properties of 1-D photonic crystals composed partially of negative refraction media are analyzed. The transmission spectra of periodic photonic crystal, chirped photonic crystal and apodized photonic crystal are numerically simulated respectively. By contrast with optical transmission properties of ordinary photonic crystals made of positive refraction media, the transmission spectra of apodized photonic crystal become unregular, the Bragg flat-headed area recurs but the peak of transmission does not change significantly. Futhermore, the band gap range of chirped photonic crystal diminishes gradually.
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