| 喇叭型开口光子晶体波导的传输谱研究 |
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| 引用本文： | 代红权,吴耀德.喇叭型开口光子晶体波导的传输谱研究[J].光谱实验室,2009,26(5):1372-1374. |
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| 作者姓名： | 代红权 吴耀德 |
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| 作者单位： | 长江大学物理科学与技术学院主教学楼1501号办公室,湖北省荆州市南环路1号,434023 |
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| 基金项目： | 湖北省教育厅重点科研项目D20091203，长江大学创新团队项目资助 |
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| 摘 要： | 设计一种喇叭型开口二维光子晶体波导,利用时域有限差分法计算波导传输谱图。模拟结果表明：通过改变开口处光子晶体椭圆点缺陷的结构,传输谱图中将出现相应变化的缺陷模,可用于实现频率可调的窄带光子晶体滤波器。
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| 关 键 词： | 光子晶体波导 窄带滤波器 传输特性 时域有限差分法 |
Analysis of Transmission Spectrum in Horn-Placket Photonic Crystal Waveguide |
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| DAI Hong-Quan,WU Yao-De.Analysis of Transmission Spectrum in Horn-Placket Photonic Crystal Waveguide[J].Chinese Journal of Spectroscopy Laboratory,2009,26(5):1372-1374. |
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| Authors: | DAI Hong-Quan WU Yao-De |
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| Institution: | School of Physics Science and Technology;Yangtze University;Jinzhou;Hubei 434023;P.R.China |
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| Abstract: | A horn-placket photonic crystal waveguide is designed,which propagating characteristic is obtained by using finite-difference time-domain method(FDTD).Numerical results demonstrate that the defect modes appear within transmission spectrum when the structure of elliptical point-defect at incidence port is changed,the proposed waveguide structure can be used as tunable narrowband photonic crystal filter. |
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| Keywords: | Photonic Crystal Waveguide Narrowband Filter Transmission Characteristic the Finite-Difference Time-Domain Method（FDTD） |
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