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| 基于时域伪谱法的二维光子带隙结构的能带研究 | |
| 引用本文： | 孙慧玲. 基于时域伪谱法的二维光子带隙结构的能带研究[J]. 淮阴师范学院学报(自然科学版), 2012, 11(4): 358-361 |
| 作者姓名： | 孙慧玲 |
| 作者单位： | 淮阴师范学院人事处,江苏淮安,223300 |
| 摘 要： | 根据Bloth定理推导了伪周期电磁场的麦克斯韦方程,采用时域伪谱(PSTD)法分析二维光子带隙结构(PBG)的能带,对空间的微分进行付里叶变换离散而不作差分近似离散,使空域变换成伪谱域.计算结果与平面波展开法的结论相一致.分析了不同截面形状在不同的典型点阵结构中的物理特性. |
| 关 键 词： | 二维光子晶体 能带结构 时域伪谱法 |
A Pseudospectral Time-Domain Algorithm for Calculating the Band Structure of Two Dimensional Photonic Crystal |
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| SUN Hui-ling. A Pseudospectral Time-Domain Algorithm for Calculating the Band Structure of Two Dimensional Photonic Crystal[J]. Journal of Huaiyin Teachers College(Natrual Science Edition), 2012, 11(4): 358-361 | |
| Authors: | SUN Hui-ling |
| Affiliation: | SUN Hui-ling(department of personnel,Huaiyin Normal University,Huaian Jiangsu 223300,China) |
| Abstract: | In this Letter,we develop Maxwell's equations of the pseudo-periodic electric and magnetic fields.we calculate the band structure of a two-dimensional(2D) photonic crystal by using the PSTD method.It uses the fast Fourier transform(FFT),instead of finite differences,to represent spatial derivatives.We analyse the physical characteristics in the different cross section shape in different typical lattice structure. |
| Keywords: | two-dimensional photonic crystals energy band diagram pseudospectral time-domain method |
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