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https://doi.org/10.1088/1757-899x/1263/1/012007
Copy DOIPublication Date: Oct 1, 2022 | |
Citations: 2 | License type: cc-by |
The properties of photonic crystals that allow or inhibit the propagation of electromagnetic (EM) waves in between photonic band gap (PBG) regimes have proved to be significant. In this work, we investigated the PBG analysis of one-dimensional TiO2/SiO2 photonic crystal using plane wave method (PWM). The PBG width depends of on the various optical parameters such as lattice constant (Λ), center wavelength (λc), thickness of the layers (d), dielectric constant (ε) and refractive indices (n). Among various parameters, the center wavelength (300-1100nm), the thickness of TiO2 (28-103 nm) and SiO2 (51-189 nm) layers were optimized for the tuned bandgap. The obtained results revealed that the PBG shifting towards the lower frequency region and reducing the size due to the increment of center wavelength and thicknesses. This result is useful for the understanding the way of photon propagation within artificial structure and it could be possible for the better back reflector in thin film solar cells.
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