首页 | 本学科首页   官方微博 | 高级检索  
     检索      

二维Kagome格子光子晶体禁带的数值模拟
引用本文:杨毅彪,王云才,李秀杰,梁伟.二维Kagome格子光子晶体禁带的数值模拟[J].光子学报,2006,35(5):724-728.
作者姓名:杨毅彪  王云才  李秀杰  梁伟
作者单位:1. 太原理工大学材料科学与工程学院,太原,030024;太原理工大学应用物理系,太原,030024
2. 太原理工大学应用物理系,太原,030024
3. 太原理工大学材料科学与工程学院,太原,030024
摘    要:采用平面波展开法模拟计算了由空气背景中的介质柱构成的二维Kagome格子光子晶体的能带结构,得到了使完全光子禁带最大化的结构参量.计算结果表明:由圆形、正六边形和正四边形三种不同形状锗介质柱构成的Kagome格子光子晶体都出现了完全光子禁带,最大禁带分别为Δ=0.014(ωa/2πc)、Δ=0.013(ωa/2πc)、Δ=0.011(ωa/2πc)发现由圆形和正六边形两种介质柱构成的Kagome格子光子晶体在填充比连续变化的较大的范围内都有宽度较为稳定的完全禁带,且它们具有非常相似的能带结构.

关 键 词:光子晶体  光子禁带  平面波展开法  Kagome格子
收稿时间:2005-01-20
修稿时间:2005年1月20日

Numerical Simulation of the Photonic Bandgap of Two-dimensional Photonic Crystals with Kagome Lattice
Yang Yibiao,Wang Yuncai,Li Xiujie,Liang Wei.Numerical Simulation of the Photonic Bandgap of Two-dimensional Photonic Crystals with Kagome Lattice[J].Acta Photonica Sinica,2006,35(5):724-728.
Authors:Yang Yibiao  Wang Yuncai  Li Xiujie  Liang Wei
Institution:1 College of materials science and engineering, Taiyuan University of Technology, Taiyuan 030024 ;2 Department of applied physics, Taiyuan University of Technology, Taiyuan 030024
Abstract:Plane wave expansion method was employed to simulate the bandgap of 2-D photonic crystals with Kagome lattice. The optimum structural parameters of photonic crystals with the largest complete bandgap were obtained. Complete bandgaps were obtained when the germanium columns were in the shape of circular, hexagonal and square, respectively. It is showed that the complete bandgaps can be attained steadily as the filling fraction is changed in a wide range for circular and hexagonal columns, and their band structures are similar.
Keywords:Photonic crystals  Photonic bandgap  Plane wave expansion method  Kagome lattice
本文献已被 CNKI 维普 万方数据 等数据库收录!
点击此处可从《光子学报》浏览原始摘要信息
点击此处可从《光子学报》下载免费的PDF全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号