摘要
提出了一种适用于太赫兹器件的二维光子晶体谐振腔,分析了这种谐振腔的主要特性。采用平面波展开法进行仿真计算,通过改变二维光子晶体的晶格常数、介电常数比、填充率等研究其带隙结构、谐振频率在THz波段的变化规律。研究结果为THz波段器件的制作及THz系统的应用提供了理论依据。
In this paper,a sort of two-dimensional photonic crystal structure which is applicable to THz devices is designed. And the primary properties of the resonant cavity are analyzed. Plane wave expansion method is used to do calculation and simulation. We＇ve got the variation rules of the band gap structure and resonant frequency in THz region by altering the parameters such as lattice constant, dielectric constant contrast and filling factor. The research results can provide theoretical basis for manufacture of THz devices and application of THz system.
出处
《光电子技术》
CAS
2007年第4期268-271,共4页
Optoelectronic Technology
基金
江苏省高技术计划项目(BG2005039)
关键词
光子晶体
太赫兹
谐振腔
点缺陷
光子晶体带隙
平面波展开法
photonic crystal
terahertz
resonant cavity
point defect
photonic band gap
plane wave expansion method
