| 分析介质光波导传播特性的Cole—Hopf变换法 |
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| 引用本文： | 佘守宪,唐莹.分析介质光波导传播特性的Cole—Hopf变换法[J].光电子．激光,2003,14(1):95-101. |
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| 作者姓名： | 佘守宪 唐莹 |
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| 作者单位： | 北方交通大学理学院,北京,100044 |
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| 摘 要： | 采用Cole-Hopf变换法，将平板光波导导模所满足的二阶常微分方程（Helmholtz方程）变换成一阶常微分方程（Riccati方程），用较简单且有效的方法分析导模的特性。给出了多层阶跃型及渐变型平板波导导模的精确解析解和数值解法及实例；给出了非线性平板波导传播特性的数值计算法及实例。
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| 关 键 词： | 传播特性 渐变折射率波导 非线性平板波导 Cole－Hopf变换 Riccati方程 |
| 文章编号： | 1005-0086(2003)01-0095-07 |
Method of Cole-Hopf Transformation for Analyzing Propagation Characteristics of Planar Optical Waveguides |
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| SHE Shou xian,TANG Ying.Method of Cole-Hopf Transformation for Analyzing Propagation Characteristics of Planar Optical Waveguides[J].Journal of Optoelectronics·laser,2003,14(1):95-101. |
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| Authors: | SHE Shou xian TANG Ying |
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| Abstract: | Using method of Cole Hopf transformation,Helmholtz equation was transformed to Riccati equation,and propagation characteristics of guided modes in planar optical waveguides was analyzed in a simple and direct way.Exact analytic solutions for guided modes in multilayer step index guides and graded index guides were given and illustrated by examples.Numerical melhod for analyzing propagation characteristics of nonlinear planar waveguides was also given and illustrated by example. |
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| Keywords: | graded index waveguides nonlinear planar optical waveguide(NLPW) Cole Hopf transformation riccati equation |
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