| 三种静磁模与导波光的非共线衍射作用 |
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| 引用本文： | 武保剑.三种静磁模与导波光的非共线衍射作用[J].电子科技大学学报(社会科学版),2005(Z1). |
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| 作者姓名： | 武保剑 |
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| 作者单位： | 电子科技大学宽带光纤传输与通信网技术教育部重点实验室 成都 |
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| 基金项目： | 国家自然科学基金资助项目(60401007) |
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| 摘 要： | 根据任意倾斜偏置磁场情形下的磁光耦合模理论,分析了传统磁化时磁光薄膜波导中静磁正向体波、静磁反向体波和静磁表面波等3种静磁模对导波光的非共线衍射作用．给出了用静磁波复振幅表示的导波光衍射效率公式,理论计算与实验结果一致,所得结论可为磁光Bragg器件的优化设计以及它在磁光信息处理中的应用分析提供理论基础。
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| 关 键 词： | 静磁模 衍射效率 Bragg器件 磁光薄膜 |
Noncollinear Diffraction of Guided Optical Waves with Magnetostatic Forward/Backward Volume and Surface Modes |
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| WU Bao-jian.Noncollinear Diffraction of Guided Optical Waves with Magnetostatic Forward/Backward Volume and Surface Modes[J].Journal of University of Electronic Science and Technology of China(Social Sciences Edition),2005(Z1). |
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| Authors: | WU Bao-jian |
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| Abstract: | According to the magneto-optic coupled-mode equations for the case of arbitrarily inclined magnetization, the noncollinear interaction between guided optical waves and three kinds of magnetostatic modes, namely, magnetostatic forward volume wave, magnetostatic backward volume wave and magnetostatic surface wave in the conventionally magnetized YIG film waveguides is analyzed. The diffraction efficiencies are expressed in terms of the complex envelope of Magneto Static Waves (MSWs). The theoretical results obtained are consistent with the experimental data. The conclusions obtained in the paper can be applied to the optimization of the MSW-based Bragg cells with applications to optical signal processing. |
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| Keywords: | magnetostatic mode diffraction efficiency Bragg cell magneto-optic film |
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