Hybrid waves localized at hyperbolic metasurfaces
Гибридные волны, локализованные на гиперболических метаповерхностях
2015-06-15
SCID: 54.1/whm6eubm
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equal-frequency contour topological transitionhybrid plasmon surface modeshyperbolic metasurfacesquasi-TE and quasi-TM modes
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Abstract (AI)
The authors show theoretically that hyperbolic metasurfaces support simultaneous propagation of both quasi-TE and quasi-TM plasmon surface modes of ``hybrid''' polarization at the same frequency --- a two-dimensional analog of D'yakonov surface waves. The shape of their equal-frequency contours depends drastically on the frequency and changes from elliptical to hyperbolic, and so a topological transition takes place.
Key Findings
1
Equal-frequency contours of the supported modes change shape from elliptical to hyperbolic depending on frequency, indicating a topological transition.
2
Hyperbolic metasurfaces theoretically support simultaneous propagation of quasi-TE and quasi-TM plasmon surface modes with hybrid polarization at the same frequency.
3
The polarization of the surface waves is hybrid (mixing TE and TM) rather than purely TE or TM across the frequency range considered.
4
These hybrid surface modes constitute a two-dimensional analog of D'yakonov surface waves.
Research Object
Hyperbolic metasurfaces supporting surface plasmon modes
Research Subject
Simultaneous propagation and polarization hybridization of quasi-TE and quasi-TM surface plasmon modes, and frequency-dependent topology of equal-frequency contours (elliptic-to-hyperbolic transition)
Publication Details
Publication Date
2015-06-15
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