| 对称非线性薄膜波导TE模的色散特性 |
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| 引用本文： | 佘守宪.对称非线性薄膜波导TE模的色散特性[J].量子电子学报,1996(1). |
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| 作者姓名： | 佘守宪 |
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| 作者单位： | 北方交通大学物理系 |
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| 摘 要： | 用均匀（重整化）微扰方法分析Ｋｅｒｒ型非线性薄膜两侧为折射率相等的包层与衬底情形ＴＥ模的传播特性，传播常数用表征非线性的功率密度极值作为参数来表示。在微扰法失效情况下，用数值积分法求解。本文方法简便，节省机时，对典型实例的计算结果与精确数值计算结果十分符合。
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| 关 键 词： | 非线性光波导，色散关系，微扰法 |
Dispersive Characteristics of TE Modes in a Symmetric Nonlinear Dielectric Slab Waveguide |
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| She Shouxian.Dispersive Characteristics of TE Modes in a Symmetric Nonlinear Dielectric Slab Waveguide[J].Chinese Journal of Quantum Electronics,1996(1). |
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| Authors: | She Shouxian |
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| Abstract: | The propagation characteristics of TE waves guided by a film with a Kerr-like nonlinear permittivity bounded symmetrically by linear cladding and substrate are analysedby an uniform (renormalized) perturbation technique and a method of numerical integration, expressing the propagation constant in terms of the extremum power density as aparameter indicating the nonlinearity. The methods of analysis are time-saving and easyto handle. Computed results for typical examples are in good agreement with exact resultsreported in literature. |
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| Keywords: | nonlinear optical waveguides dispersion relations perturbation method |
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