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Nonlinear dispersion equation and guided modes in a slab waveguide composed of a negative-index medium

机译:负折射率介质构成的平板波导中的非线性色散方程和导模

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摘要

We consider a slab waveguide made of a material with negative permeability and negative permittivity, the surrounding medium is conventional. By using the dispersion relation, we show the dispersion curves from the variation of the core width and other physical parameters. The associated energy flow for several thicknesses of the nonlinear layer waveguide is presented. We discuss possible new types of modes that can occur. It is found that the dispersion curves and the energy flow can be controlled by varying the thickness of the guide, the filling factor and the effective plasma frequency. A numerical simulation is done to well illustrate.
机译:我们考虑由具有负磁导率和负介电常数的材料制成的平板波导,周围介质是常规的。通过使用色散关系,我们从芯宽和其他物理参数的变化中显示了色散曲线。给出了非线性层波导几种厚度的相关能量流。我们讨论了可能发生的新型新模式。发现可以通过改变导管的厚度,填充系数和有效等离子体频率来控制色散曲线和能量流。进行了数值模拟以很好地说明。

著录项

  • 来源
    《Optical and quantum electronics》 |2014年第1期|155-163|共9页
  • 作者单位

    Department of physics, Faculty of sciences, Moulay Ismail University, B.P. 1120 , Meknes, Morocco;

    Department of physics, Faculty of sciences, Moulay Ismail University, B.P. 1120 , Meknes, Morocco;

    Department of Physics, Higher Teacher's Training College of Yaounde, University of Yaounde Ⅰ, P.O. Box 47, Yaounde, Cameroon;

    Department of Physics, Higher Teacher's Training College of Yaounde, University of Yaounde Ⅰ, P.O. Box 47, Yaounde, Cameroon,Laboratory of Electronics, Department of Physics, Faculty of Science, University of Yaounde Ⅰ, P.O. Box 812 , Yaounde, Cameroon;

    Laboratory of Mechanics, Department of Physics, Faculty of Science, University of Yaounde Ⅰ, P.O. Box 812, Yaounde, Cameroon;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Waveguide; Dispersion relation; LHM; Energy flow;

    机译:波导;色散关系;LHM;能量流;

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