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用三维并行时域有限差分算法研究光子晶体薄板W3波导传输特性
引用本文:朱志宏,叶卫民,季家殚,袁晓东,曾淳.用三维并行时域有限差分算法研究光子晶体薄板W3波导传输特性[J].光子学报,2006,35(6):815-818.
作者姓名:朱志宏  叶卫民  季家殚  袁晓东  曾淳
作者单位:国防科技大学光电学院光子声子研究中心,长沙,410073
摘    要:构建了用于高性能并行计算的PC机群环境,将基于此机群环境的三维并行时域有限差分算法用于光子晶体薄板W3波导传输特性研究.性能分析表明:对于大规模问题,机群并行FDTD算法能够获得较理想的加速比.具体计算了W3波导的透射率频谱和光场分布.结果表明:光子晶体薄板W3波导能够实现光的三维约束,其导带中存在着微小禁带(mini-gap).

关 键 词:光子晶体  时域有限差分  并行计算  消息传递接口  W3波导
收稿时间:2005-03-03
修稿时间:2005年3月3日

The Transmission Properties Research of Photonic Crystal Slab W3 Waveguide With The Use of The Parallel 3D FDTD Algorithm
Zhu Zhihong,Ye Weimin,Ji Jiarong,Yuan Xiaodong,Zeng Chun.The Transmission Properties Research of Photonic Crystal Slab W3 Waveguide With The Use of The Parallel 3D FDTD Algorithm[J].Acta Photonica Sinica,2006,35(6):815-818.
Authors:Zhu Zhihong  Ye Weimin  Ji Jiarong  Yuan Xiaodong  Zeng Chun
Institution:Research Center of Photon and Phonon , National University of Defense Technology, Changsha 410073
Abstract:High performance parallel computing platforms are built by interconnecting a group of PCs. The parallelized 3D FDTD code is achieved and is useful for the studies of the transmission properties of photonic crystal slab W3 waveguide. The analysis of the performance of parallel environment indicates that for a large-scale computation problem, the parallel FDTD algorithm can achieve a better fixed speedup. Transmission spectrum and field distribution of a photonic crystal slab W3 waveguide are calculated with the use of the presented technique, and the obtained results show that photonic crystal slab W3 waveguide can control the propagation of light in the three directions and there is mini-gap for the guides.
Keywords:Photonic crystals  FDTD  Parallel computing  Mpi(Message Passing Interface)  W3 waveguide
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