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A plasmonic colour filter based on metal-insulator-metal square micro-ring cavities for visible spectrum

机译:基于金属 - 绝缘子 - 金属方形微环腔的等离子体滤色器,可见光谱

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In this paper, we presented a metal-insulator-metal (MIM) waveguide resonator design for filtering white light into individual colours. Six square micro-ring cavities of different sizes are side coupled to MIM bus waveguide. By careful selection of cavity size and distance between bus waveguide and micro-ring cavities, the resonator can selectively couple to intensity maxima of different photonic modes and, as a result, preferentially select any of the primary colours. The spectral characteristics of the resonator are studied by varying the geometric parameters using the finite element method (FEM).
机译:在本文中,我们介绍了一种金属绝缘体 - 金属(MIM)波导谐振器设计,用于将白光过滤到单独的颜色中。 不同尺寸的六个方形微环空腔是耦合到MIM总线波导的侧面。 通过仔细选择腔体尺寸和总线波导和微环腔之间的距离,谐振器可以选择性地耦合到不同光子模式的强度最大值,结果优先选择任何原色。 通过使用有限元方法(FEM)改变几何参数来研究谐振器的光谱特性。

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