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Magnetic Hyperbolic Metasurface: Concept, Design, and Applications.


ABSTRACT: A fundamental cornerstone in nanophotonics is the ability to achieve hyperbolic dispersion of surface plasmons, which shows excellent potentials in many unique applications, such as near-field heat transport, planar hyperlens, strongly enhanced spontaneous emission, and so forth. The hyperbolic metasurfaces with such an ability, however, are currently restricted to electric hyperbolic metasurface paradigm, and realization of magnetic hyperbolic metasurfaces remains elusive despite the importance of manipulating magnetic surface plasmons (MSPs) at subwavelength scale. Here, magnetic hyperbolic metasurfaces are proposed and designed, on which diffraction-free propagation, anomalous diffraction, negative refraction, and frequency-dependent strong spatial distributions of the MSPs in the hyperbolic regime are experimentally observed at microwave frequencies. The findings can be applied to manipulate MSPs and design planarized devices for near-field focusing, imaging, and spatial multiplexers. This concept is also generalizable to terahertz and optical frequencies and inspires novel quantum optical apparatuses with strong magnetic light-matter interactions.

SUBMITTER: Yang Y 

PROVIDER: S-EPMC6299717 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature

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Magnetic Hyperbolic Metasurface: Concept, Design, and Applications.

Yang Yihao Y   Qin Pengfei P   Zheng Bin B   Shen Lian L   Wang Huaping H   Wang Zuojia Z   Li Erping E   Singh Ranjan R   Chen Hongsheng H  

Advanced science (Weinheim, Baden-Wurttemberg, Germany) 20181112 12


A fundamental cornerstone in nanophotonics is the ability to achieve hyperbolic dispersion of surface plasmons, which shows excellent potentials in many unique applications, such as near-field heat transport, planar hyperlens, strongly enhanced spontaneous emission, and so forth. The hyperbolic metasurfaces with such an ability, however, are currently restricted to electric hyperbolic metasurface paradigm, and realization of magnetic hyperbolic metasurfaces remains elusive despite the importance  ...[more]

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