| 三维光波导器件设计中的多重网格法FD-BPM |
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| 引用本文： | 肖悦娱,林青春,何赛灵. 三维光波导器件设计中的多重网格法FD-BPM[J]. 光子学报, 2003, 32(5): 559-562 |
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| 作者姓名： | 肖悦娱 林青春 何赛灵 |
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| 作者单位： | 浙江大学现代光学仪器国家重点实验室,光及电磁波研究中心,杭州,310027 |
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| 摘 要： | 将一种高效的数值计算方法-多重网格法引入到三维有限差分波束传播法(FD-BPM)中.计算了均匀介质内定向高斯波在不同角度时的传播问题，并与解析法的结果进行了比较.最后计算了矩形波导的传播模式，并与交替方向迭代法BPM计算的结果进行了比较.证实了此方法的可靠性，而且这种方法大大提高了广角三维FD-BPM的计算速度，在三维光波导器件的模拟设计中很有发展潜力.
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| 关 键 词： | 多重网格法 FD-BPM 光波导 |
| 收稿时间： | 2002-07-11 |
| 修稿时间： | 2002-07-11 |
Application of Multi-grid FD-BPM in Design of 3 Dimension Wave-guide Components |
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| Xiao Yueyu,Lin Qingchun,He SailingState Key Laboratory for Modern Optical Instrumentation,Center for Optical and Electromagnetic Research,Zhejiang University,Hangzhou. Application of Multi-grid FD-BPM in Design of 3 Dimension Wave-guide Components[J]. Acta Photonica Sinica, 2003, 32(5): 559-562 |
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| Authors: | Xiao Yueyu Lin Qingchun He SailingState Key Laboratory for Modern Optical Instrumentation Center for Optical Electromagnetic Research Zhejiang University Hangzhou |
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| Affiliation: | Xiao Yueyu,Lin Qingchun,He SailingState Key Laboratory for Modern Optical Instrumentation,Center for Optical and Electromagnetic Research,Zhejiang University,Hangzhou 310027 |
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| Abstract: | The design of 3D wave-guide components demands large memory and high precision. An effective numerical method, Multi-grid method, is introduced to FD-BPM. The propagations of a Gauss impulse in a uniform medium with different angles are simulated, and are compared with the analytical results. The mode of rectangle wave-guide is also calculated, and is compared with the result obtained from ADI-BPM. The method’s feasibility is verified, and the calculation speed of wide-angle 3D FD-BPM is improved greatly. It is very potential in the simulation and design of 3D wave-guide components. |
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| Keywords: | Multi-grid Method FD-BPM Wave-guide |
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