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Experimental evidence of photonic crystal waveguides with wide bandwidth in two-dimensional Al2O3 rods array
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作者 王勇 张登国 +3 位作者 徐世祥 许彪刚 董政 黄檀 《Chinese Optics Letters》 SCIE EI CAS CSCD 2017年第6期82-86,共5页
A cross-shaped photonic crystal waveguide formed by a square lattice Al_2O_3 rods array is numerically and experimentally investigated. The band gap of the TE mode for the photonic crystals and transmission characteri... A cross-shaped photonic crystal waveguide formed by a square lattice Al_2O_3 rods array is numerically and experimentally investigated. The band gap of the TE mode for the photonic crystals and transmission characteristics of waveguides are calculated by the plane wave expansion method and the finite element method.We perform the experiments in the microwave regime to validate the numerical results. The measured reflection and transmission characteristics of the photonic crystals show a large band gap between 8.62 and 11.554 GHz(relative bandwidth is 29.34%). The electromagnetic waves are transmitted stably in the waveguides, and the transmission characteristics maintain a high level in the band gap. 展开更多
关键词 photonic bandwidth waveguide maintain validate microwave numerically shaped transmitted isolation
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