Larger complete photonic bandgaps in two-dimensional photonic crystal heterostructure |
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| Institution: | 1. State Key Laboratory for Mechanical Behavior of Materials, Xi''an Jiaotong University, Xi''an 710049, PR China;2. Department of Mechanical Engineering, University of Michigan, Dearborn, MI 48128, USA |
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| Abstract: | A two-dimensional photonic crystal heterostructure with a large complete photonic bandgap is presented. It consists of two photonic crystals, whose dielectric configurations are reverse, with triangular lattice of circular columns. The structure retains the ease of fabrication while increasing the maximum quality factor of the gap 2–3 times after optimization. Photonic bandgap properties are calculated using a plane-wave method and the transmission spectra are obtained. |
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