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Ferrite loaded graphene based plasmonic waveguide

机译:铁氧体负载石墨烯基等离激元波导

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摘要

In this paper, we investigate surface plasmon (SP) propagation characteristics in a ferrite loaded graphene based waveguide biased by an external magnetic flux density. Propagation lengths and dispersion features of the excited SPs can be actively tailored via applying external electro- and magneto-static bias fields. Nonreciprocal property of the structure risen from magneto-optic behavior of the ferrite is clear, in vicinity of the Larmor frequency, according to the derived dispersion equation. The structure is investigated analytically through basic electromagnetic theory. The results can be utilized in design of nonreciprocal components.
机译:在本文中,我们研究了受外部磁通密度偏置的铁氧体负载石墨烯基波导中的表面等离子体激元(SP)传播特性。激发的SP的传播长度和色散特性可以通过施加外部静电和静磁偏置场来主动调整。根据推导的色散方程,在拉莫尔频率附近,由铁素体的磁光行为引起的结构的不可逆性质是清楚的。通过基本的电磁理论对结构进行了分析研究。结果可用于不可逆组件的设计。

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