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Large-area unidirectional surface magnetoplasmons using uniaxial μ-near-zero material

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Abstract

We have theoretically investigated surface magnetoplasmons (SMPs) in a waveguide consisting of a uniaxial $\mu$-near-zero (UMNZ) material slab sandwiched between two ferrite materials with opposite remanences. It is shown that this waveguide can support robust unidirectional SMP (USMP), whose electric field extends almost uniformly in the UMNZ layer, hence USMP can acquire modal sizes far larger than the wavelength. We have demonstrated that such large-area USMP (LUSMP) provides many degrees of freedom to manipulate waves. Using LUSMP, waves can be completely trapped with hot spots of wavelength size.

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No data were generated or analyzed in the presented research.

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