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New techniques for the design of diffractive optical devices for optical communications and networking.

机译:设计用于光通信和网络的衍射光学设备的新技术。

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摘要

Three new techniques are proposed for the design of optical devices for various applications in optical communications and networking. The first algorithm shows that the nonperiodic grating-assisted directional coupler design can achieve not only the complete power transfer but also superior performances over the conventional periodic grating-assisted directional coupler in nonsynchronous waveguides. The second method is the newly proposed angular spectrum and beam propagation methods using the continuous and discrete sine transforms. This alternative approach is useful especially when the boundary conditions need to be zeroes, for example at the dielectric-metal interfaces. Lastly, the ranked phased-array method (RPAM) helps achieve an optical device called ranked phased-array (RPA) that, along with the existing phased-array (PHASAR) based devices, can efficiently utilize most of the optical low-loss bandwidths in a single system, and has the potential to greatly increase the number of transmitted channels in dense wavelength division multiplexing (DWDM).
机译:提出了三种新技术用于光通信和联网中各种应用的光设备设计。第一种算法表明,非周期性波导辅助定向耦合器设计不仅可以实现完整的功率传输,而且还可以在非同步波导中实现优于常规周期性光栅辅助定向耦合器的性能。第二种方法是新提出的使用连续和离散正弦变换的角谱和光束传播方法。这种替代方法特别有用,特别是当边界条件需要为零时,例如在介电金属界面处。最后,分级相控阵方法(RPAM)有助于实现称为分级相控阵(RPA)的光学设备,该光学设备与现有的基于相控阵(PHASAR)的设备一起可以有效利用大多数光学低损耗带宽在单个系统中,并且有可能极大地增加密集波分复用(DWDM)中传输信道的数量。

著录项

  • 作者

    Pojanasomboon, Pojamarn.;

  • 作者单位

    Purdue University.;

  • 授予单位 Purdue University.;
  • 学科 Engineering Electronics and Electrical.;Physics Optics.
  • 学位 Ph.D.
  • 年度 2001
  • 页码 139 p.
  • 总页数 139
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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