| 基于有限差分光束传播法的过渡波导功耗分析 |
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| 引用本文： | 潘卫清,何对燕,李志宏,董勤.基于有限差分光束传播法的过渡波导功耗分析[J].应用光学,2003,24(5):8-10,19. |
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| 作者姓名： | 潘卫清 何对燕 李志宏 董勤 |
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| 作者单位： | 武汉大学,电子信息学院,湖北,武汉,430079 |
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| 摘 要： | 为了在既定尺寸下减小斜坡波导和弯曲波导的功耗，设计了4种过渡波导形状函数。用有限差分光束传播法(FD-BPM)进行了模拟分析，发现过渡波导形状的选取与坡度和曲折角存在条件有关，并给出了条件表达式及其详细说明。
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| 关 键 词： | 光波导 有限差分光束传播法 集成光学 过渡波导形状函数 斜坡波导 弯曲波导 功耗分析 |
| 文章编号： | 1002-2082(2003)05-0008-03 |
| 收稿时间： | 2003/1/12 |
Power-loss Analysis of Transitional Waveguide Based on Finite-Difference Beam Propagation Method |
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| Abstract: | n order to minimize the power loss grade waveguide and band waveguide without increasing the dimension, four shape functions of transitional waveguide are proposed and analysed by the finite difference beam propagation method. Based on it, conditional relations between optimized transitional waveguide shape and the angle of transitional waveguide are found out and expressed in math formula. |
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| Keywords: | optical waveguide FD-BPM integrated optics |
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