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首页> 外文期刊>IEEE transactions on nanotechnology >A Plasmonic Triple-Wavelength Demultiplexing Structure Based on a MIM Waveguide With Side-Coupled Nanodisk Cavities
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A Plasmonic Triple-Wavelength Demultiplexing Structure Based on a MIM Waveguide With Side-Coupled Nanodisk Cavities

机译:基于带有侧耦合纳米盘腔的MIM波导的等离子体三波长解复用结构

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摘要

We propose and numerically investigate a plasmonic triple-wavelength demultiplexing structure based on metal–insulator–metal waveguides with side-coupled nanodisk cavities. The structure consists of three output channels, each of which is sandwiched by two nanodisk cavities and functions as a dual stop-band filter. The operation principle and transmission characteristics are analyzed by using the temporal coupled-mode theory and the finite-difference time-domain method. Simulation results show that the demultiplexed wavelength of each channel can be effectively tuned by adjusting the geometrical parameters of the structure. The proposed structure will find potential applications in photonic-integrated circuits and ultracompact optical communication systems.
机译:我们提出并在数值上研究了基于具有侧面耦合纳米盘腔的金属-绝缘体-金属波导的等离激元三波长解复用结构。该结构由三个输出通道组成,每个输出通道都夹在两个纳米盘腔中,并用作双阻带滤波器。利用时间耦合模理论和时域有限差分法,分析了其工作原理和传输特性。仿真结果表明,通过调整结构的几何参数,可以有效地调整每个通道的解复用波长。所提出的结构将在光子集成电路和超紧凑型光通信系统中找到潜在的应用。

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