4.6 Article

Reflectionless plasmonic right-angled waveguide bend and divider using graphene and transformation optics

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OPTICS EXPRESS
卷 29, 期 6, 页码 9589-9598

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OPTICAL SOC AMER
DOI: 10.1364/OE.417678

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  1. National Science Foundation [EFMA-1741673]

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In this work, a plasmonic right-angled waveguide bend and divider are proposed using Transformation Optics. The continuous refractive index media for the bend and T-shaped divider are realized with graphene in the terahertz frequency range, showing promise for THz device applications.
In this work, a plasmonic right-angled waveguide bend and divider are proposed. Using the Transformation Optics (TO) approach the transformation media of a bend and a T-shaped divider are obtained. Such media with continuous refractive index are realized with the help of graphene in the terahertz frequency range, key to effectively guiding the surface plasmon polariton (SPP) propagation on the 90 degree curves. Components with such capability are promising for THz device applications. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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