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Hybrid Plasmonic Waveguiding Model in a V-shaped Silicon Groove

机译:V形硅槽中的混合等离子体波导模型

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摘要

A modified V-shaped silicon groove waveguide, embeded with metal nanowire, which is coated with a low refractive index layer was proposed. Finite element method (FEM) is used to numerically simulate the characteristics of the hybrid plasmonic mode at the wavelength of 1550nm. The simulation results show that the hybrid plasmonic mode can be confined to the dielectric layer on the surface of the metal nanowire. Meanwhile, factors on the modal properties are analyzed. Low loss and strong mode confinement can be realized by adjusting the size of the dielectric and metal nanowires as well as the angle of the V-shaped groove. The overall performance of the proposed model is superior to that of traditional hybrid plasmonic waveguides.
机译:提出了一种嵌合有金属纳米线的改性的V形硅槽波导,其涂覆有低折射率层。有限元方法(FEM)用于数值上模拟在1550nm波长下的混合等离子体模式的特性。仿真结果表明,混合等离子体模式可以限制在金属纳米线的表面上的介电层。同时,分析了模态性质的因素。通过调节电介质和金属纳米线的尺寸以及V形槽的角度,可以实现低损耗和强模式限制。所提出的模型的整体性能优于传统的混合等离子体波导。

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