Numerical Analysis of Coupling between Two-Dimensional Conventional Dielectric Waveguides and Photonic Crystal Waveguide |
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| Authors: | Dan Zhang Hongting Jia and Kiyotoshi Yasumoto |
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| Institution: | (1) School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, 610054, China;(2) Department of Computer Science, Electrical Engineering Kyushu University, Fukuoka 812-8581, Japan |
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| Abstract: | A problem of coupling between conventional dielectric waveguides and a two-dimensional photonic crystal waveguide is analyzed,
using the Fourier series expansion method combined with the absorbing boundary condition of a perfectly matched layer (PML).
A novel structure for the input and output ends of the photonic crystal waveguide is proposed to increase the coupling efficiency.
Numerical examples are demonstrated and discussed to validate the effectiveness of the proposed structure. |
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| Keywords: | Fourier series expansion Perfectly matched layer Conventional dielectric waveguides Photonic crystal waveguide |
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