| 二维光子晶体线缺陷结构的光谱辐射特性 |
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| 引用本文： | 帅永,张晓晨,杨果,谈和平.二维光子晶体线缺陷结构的光谱辐射特性[J].工程热物理学报,2012(2):291-294. |
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| 作者姓名： | 帅永 张晓晨 杨果 谈和平 |
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| 作者单位： | 哈尔滨工业大学能源科学与工程学院;北京临近空间飞行器系统工程研究所 |
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| 基金项目： | 国家自然科学基金资助项目(No.50806017);教育部博士点基金新教师资助项目(No.200802131008) |
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| 摘 要： | 光子晶体的禁带特性是该新兴材料的最根本特征。本文运用平面波展开法(PWE)计算了一种正方晶格Si光子晶体材料的禁带特性,并基于该材料设计出一种红外波段的线缺陷光子晶体波导结构。运用时域有限差分法(FDTD)研究了线缺陷二维光子晶体波导宽度对通频带、电场强度及透射能量的影响,研究结果为二维光子晶体波导器件的开发和利用提供了理论支撑。
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| 关 键 词： | 光子晶体 红外辐射 波导特性 时域有限差分法 |
Spectral Radiative Characteristics of Two-Dimensional Photonic Crystal With Line-Defect |
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| SHUAI Yong,ZHANG Xiao-Chen,YANG Guo,TAN He-Ping.Spectral Radiative Characteristics of Two-Dimensional Photonic Crystal With Line-Defect[J].Journal of Engineering Thermophysics,2012(2):291-294. |
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| Authors: | SHUAI Yong ZHANG Xiao-Chen YANG Guo TAN He-Ping |
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| Institution: | 1 (1.School of Energy Science and Engineering,Harbin Institute of Technology,Harbin 150001,China; 2.Beijing Institute of Nearspace Vehicle’s Systems Engineering,Beijing 100076,China) |
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| Abstract: | As a kind of novel optical material,photonic band gap(PBG) is the fundamental characteristic of photonic crystal.In this paper,photonic band gap distribution of a rectangular-lattice Si photonic crystal was calculated using the plane wave expansion method(PWE).Based on this PBG structure,we designed a kind of line-defect photonic crystal waveguide structure for infrared application,and analyzed the influence of line-defect waveguide width towards passband, electric field intensity and transmission characteristic using the finite-difference time-domain method (FDTD).After band structure analysis,it is feasible to fabricate this two-dimensional photonic crystal waveguide device. |
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| Keywords: | photonic crystal infrared radiation waveguide characteristic FDTD |
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