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Dependence of the zero- gap and the defect modes on the ratio of the thicknesses of the two periodic stacking layers in infinite structure at normal incidence with and .
Frequencies of defect modes as a function of the defect size in infinite structure at normal incidence with and .
Dependence of the photonic band gaps and the defect modes on the incident angle in infinite structure , with , , and .
Electric field distributions inside the finite 1D PC of at resonant frequencies of the two defect modes (a) and (b) at normal incidence. The parameters are the same as those in Fig. 3. The light gray and white areas correspond to the layers of MNG and ENG materials, respectively.
Conditions for the emergence of the twin defect modes. and are the effective phase thicknesses of the two periodic stacking MNG and ENG layers, respectively. and are the effective phase thicknesses of the MNG and ENG defect layers, respectively. The “exists” in the table represents the existence of the twin defect modes, while the “none” means that there is no defect mode appears.
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