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Analysis and simulation of terahertz graphene-based plasmonic waveguide

机译:太赫兹石墨烯基等离激元波导的分析与仿真

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摘要

We present a theoretical approach for a terahertz graphene-based plasmonic waveguide (TGPW) structure. TGPW is combination of two silicon micro-wires located in a SiO2 surroundings on both sides of graphene layers where each one supports two independent propagating surface plasmon polariton waves on both surfaces. It also investigates properties of TGPW and how sub-terahertz frequency impact them. In this structure, we employed two graphene plates and a silver layer. The results show that the structure under study can confine light in the wavelength ranging from lambda = 300 mu m to lambda = 3000 mu m with a propagation length ranging from 0.5 to 8.2 mu m. The highly compact configuration can be chiefly applicable in areas such as trapping optical force, transporting biomolecules and also in high-density integrated circuits.
机译:我们提出了一种基于太赫兹石墨烯的等离激元波导(TGPW)结构的理论方法。 TGPW是位于石墨烯层两侧的SiO2环境中的两条硅微线的组合,其中每条硅微线在两个表面上都支撑两个独立的传播表面等离子体激元波。它还研究了TGPW的特性以及亚太赫兹频率如何影响它们。在此结构中,我们使用了两个石墨烯板和一个银层。结果表明,所研究的结构可以将光限制在λ= 300μm至λ= 3000μm的波长范围内,传播长度在0.5至8.2μm之间。高度紧凑的配置可以主要应用于捕获光力,运输生物分子以及高密度集成电路等领域。

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