Complete Bandgap of Dielectric Ring-Shaped Photonic Crystal Based on Checkerboard Complex Lattice

Fig. 2. (a) Structure; (b) spatial distribution of relative dielectric constant; (c) complete bandgap width versus W; (d) bandgap diagram when W=0.39 μm

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Fig. 3. (a) Structure; (b) spatial distribution of relative dielectric constant; (c) complete bandgap width versus R; (d) bandgap diagram when R=0.22 μm

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Fig. 4. (a) Structure; (b) spatial distribution of relative dielectric constant; (c) complete bandgap width versus r; (d) complete bandgap width versus w

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Fig. 5. (a) Complete bandgap width versus γ; (b) complete bandgap width versus ?

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Fig. 6. Complete bandgap width versus (a) ε and (b) a

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Table 1. Comparisons of complete bandgap width, central frequency and bandgap ratio of two-dimensional photonic crystals
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Table 1. Comparisons of complete bandgap width, central frequency and bandgap ratio of two-dimensional photonic crystals
Literature Completebandgap width Centerfrequency Bandgapratio /%
This paper 0.160 0.523 30.59
Ref. [3] 0.136 0.406 33.55
Ref. [15] - - 16.89
Ref. [17] 0.058 - -

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Liu Xiang, Tang Jiyu, Liu Ziyan. Complete Bandgap of Dielectric Ring-Shaped Photonic Crystal Based on Checkerboard Complex Lattice[J]. Laser & Optoelectronics Progress, 2018, 55(1): 11601

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