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XIONG Cui-xiu, JIANG Lian-jun. Influence of material dispersion on defect modes of 1-D photonic crystal[J]. LASER TECHNOLOGY, 2013, 37(6): 742-746. DOI: 10.7510/jgjs.issn.1001-3806.2013.06.008
Citation: XIONG Cui-xiu, JIANG Lian-jun. Influence of material dispersion on defect modes of 1-D photonic crystal[J]. LASER TECHNOLOGY, 2013, 37(6): 742-746. DOI: 10.7510/jgjs.issn.1001-3806.2013.06.008

Influence of material dispersion on defect modes of 1-D photonic crystal

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  • Received Date: February 25, 2013
  • Revised Date: April 16, 2013
  • Published Date: November 24, 2013
  • In order to study influence of material dispersion on defect modes of 1-D photonic crystal, the transmission spectrum of the 1-D photonic crystal with dispersive material was calculated based on optical transmission matrix, and the dispersive material was described by the Lorentz oscillator model. The effect of material dispersion on defect modes of photonic crystals was analyzed. The results show that whether the dispersion of high and low refractive index medium or the dispersion of defect will bring frequency shift or splitting of defect modes; the defect mode will bring red-shift if the optical thickness of dispersive medium is thicker than the thickness of common medium, and the defect mode will bring blue-shift when the optical thickness of dispersive medium is thinner than the thickness of common medium; the most obvious effect of frequency shift of defect modes results from the dispersion of low refractive index medium. The results have certain reference value to the design and research of photonic crystal.
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