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Model for reflection and transmission matrices of nanowire end facets

机译:纳米线端面的反射和透射矩阵模型

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摘要

Nanowires show a large potential for various electro-optical devices, such as light emitting diodes, solar cells, and nanowire lasers. We present a method developed to calculate the modal reflection and transmission matrix at the end facets of a waveguide of arbitrary cross-section, resulting in a generalized version of the Fresnel equations. The reflection can be conveniently computed using fast Fourier transforms once the waveguide modes are known. We demonstrate that the reflection coefficient is qualitatively described by two main parameters: the modal field confinement and the average Fresnel reflection of the plane waves constituting the waveguide mode.
机译:纳米线对于各种电光设备(例如发光二极管,太阳能电池和纳米线激光器)显示出很大的潜力。我们提出了一种方法,用于计算任意截面的波导端面上的模态反射和透射矩阵,从而产生菲涅尔方程的广义形式。一旦知道波导模式,就可以使用快速傅立叶变换方便地计算反射率。我们证明了反射系数由两个主要参数定性描述:模态场限制和构成波导模式的平面波的平均菲涅耳反射。

著录项

  • 来源
    《Journal of Applied Physics》 |2011年第10期|p.129-138|共10页
  • 作者单位

    Department of Electronics and Telecommunications, Norwegian University of Science and Technology,NO-7491 Trondheim, Norway;

    Department of Electronics and Telecommunications, Norwegian University of Science and Technology,NO-7491 Trondheim, Norway;

    Department of Electronics and Telecommunications, Norwegian University of Science and Technology,NO-7491 Trondheim, Norway;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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