Yuanlin Jia, Peiwen Ren, Chunzhen Fan. Thermal tunable one-dimensional photonic crystals containing phase change material[J]. Chinese Physics B, 2020, 29(10):
- Chinese Physics B
- Vol. 29, Issue 10, (2020)
Fig. 1. Real part of the effective dielectric constant of VO2 at different temperature in THz region.
Fig. 2. The 3D configuration and the cross section view of the VO2 (R)/SiO2 PCs structure.
Fig. 3. (a) The dispersion relation of VO2 (R)/SiO2 PCs structure obtained with transfer matrix method. (b) The transmission spectrum of the structure obtained with numerical simulation.
Fig. 4. The influence of temperature on the dispersion relation of VO2 (R)/SiO2 PCs in the range of 0–125 THz.
Fig. 5. (a) The 3D configuration and cross section view of the VO2 (R)/VO2 (M)/SiO2 PCs structure. (b) The dispersion curve obtained with transfer matrix method. (c) The transmission spectrum of VO2 (R)/VO2 (M)/SiO2 PCs structure obtained with numerical calculation.
Fig. 6. (a) and (c) The influence of different proportions of VO2 (R) and VO2 (M), a 1/a 2, on the dispersion relation. (b) and (d) The position and band gap of the first band with different a 1/a 2.
Fig. 7. (a) and (b) The position and band gap of the second band with different a 1/a 2. (c) and (d) The position and band gap of the third band with different a 1/a 2.
Fig. 8. (a) The dispersion curve of 1D PCs with different number of layers. (b) The position and the first band width with different layers of VO2.
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