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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >Ultracompact double tunable two-channel plasmonic filter and 4-channel multi/demultiplexer design based on aperture-coupled plasmonic slot cavity
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Ultracompact double tunable two-channel plasmonic filter and 4-channel multi/demultiplexer design based on aperture-coupled plasmonic slot cavity

机译：超高效双可调谐双通道等离子体滤波器和基于光圈耦合等离子体槽腔的4通道多/多路分解器设计

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摘要

In this paper, theoretical analysis and numerical simulations are applied to propose an ultracompact double tunable two-channel plasmonic filter based on aperture coupled plasmonic slot cavity. By knowledge of the exact distribution of the electromagnetic field inside the slot cavity and selecting the appropriate position of the output aperture, the resonance modes of the cavity can be separated. Also, adding a stub in the position of the antinode of the standing wave of the second resonance mode changes the effective length of the third resonance mode. Therefore, by variation of the length of the cavity and the stub, the resonance modes of the filter can independently be tuned. According to the proposed double tunable two-channel plasmonic filter, an ultracompact 4-channel multi/demultiplexer is proposed. The two-dimensional finite difference time domain (2D-FDTD) method has been used to numerically analyze the proposed structures. Our results open a new way for construction of nanoplasmonic multi-wavelength multi/demultiplexers to be used in plasmonic integrated circuits.
机译：在本文中，理论分析和数值模拟施加到提出基于孔径耦合等离子体激元时隙腔中的超小型双调谐两通道等离激元滤波器。通过了解槽腔内的电磁场的精确分布并选择输出孔的适当位置，可以分离腔的谐振模式。而且，在第二谐振模式的驻波的驻波的抗动件的位置中添加一个短截线改变第三谐振模式的有效长度。因此，通过腔的长度和短截线的变化，可以独立地调谐滤波器的谐振模式。根据所提出的双可调谐双通道等离子体滤波器，提出了超自联4通道多/解复用器。二维有限差分时域（2D-FDTD）方法已用于数值分析所提出的结构。我们的结果开启了一种在等离子体集成电路中使用纳米升相声多波长多/多路分解器的新方法。

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