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首页> 外文期刊>Journal of Electromagnetic Waves and Applications >An optical channel drop filter based on 2D photonic crystal ring resonator
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An optical channel drop filter based on 2D photonic crystal ring resonator

机译:基于二维光子晶体环形谐振器的光通道降滤光片

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摘要

In this paper, we investigate an optical channel drop filter based on a new configuration of photonic crystal ring resonator in a two-dimensional square lattice of silicon rods. The numerical simulation results by the finite difference time domain method show that close to 100% dropping efficiency with quality factor of 1011 is achievable at wavelength =1.55m, which is an important wavelength for optical communication systems. Also, we investigate the effect of different parameters on the filtering behavior of the structure and show that changing the refractive index, the lattice constant, and the radius of the rods in the structure affect the resonant wavelength, the dropping efficiency, and the quality factor of the filter. The simplicity of the design, its high dropping efficiency, and its high quality factor are the most significant advantages of our filter.
机译:在本文中,我们研究了在硅棒的二维方格中基于光子晶体环形谐振器的新配置的光通道降滤光器。有限差分时域方法的数值模拟结果表明,在波长= 1.55m时,可以实现接近100%的下降效率,质量因子为1011,这是光通信系统的重要波长。此外,我们研究了不同参数对结构的过滤行为的影响,并表明,改变折射率,晶格常数和结构中棒的半径会影响共振波长,下降效率和品质因数过滤器的设计的简单性,高滴落效率和高品质因数是我们过滤器的最大优势。

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