Journal
PHYSICAL REVIEW LETTERS
Volume 114, Issue 23, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.114.233901
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Funding
- Air Force Office of Scientific Research Grant [FA9550-13-1-0204]
- Welch foundation [F-1802]
- National Science Foundation [ECCS-1406235]
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [1406235] Funding Source: National Science Foundation
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We explore the unusual electromagnetic response of ultrathin anisotropic delta-near-zero uniaxial metasurfaces, demonstrating extreme topological transitions-from closed elliptical to open hyperbolic-for surface plasmon propagation, associated with a dramatic tailoring of the local density of states. The proposed metasurfaces may be implemented using nanostructured graphene monolayers and open unprecedented venues for extreme light confinement and unusual propagation and guidance, combined with large tunability via electric bias.
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