Conformal surface plasmons propagating on ultrathin and flexible films

Shen, Xiaopeng; Cui, Tie Jun; Martín-Cano, Diego; García‐Vidal, F. J.

doi:10.1073/pnas.1210417110

articleProceedings of the National Academy of SciencesDec 17, 2012BRONZE OA

Conformal surface plasmons propagating on ultrathin and flexible films

XSXiaopeng Shen TJTie Jun Cui DMDiego Martín-Cano FJF. J. García‐Vidal

State Key Laboratory of Millimeter Waves · Southeast University · +2 more institutions

PubMed

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Abstract

Surface plasmon polaritons (SPPs) are localized surface electromagnetic waves that propagate along the interface between a metal and a dielectric. Owing to their inherent subwavelength confinement, SPPs have a strong potential to become building blocks of a type of photonic circuitry built up on 2D metal surfaces; however, SPPs are difficult to control on curved surfaces conformably and flexibly to produce advanced functional devices. Here we propose the concept of conformal surface plasmons (CSPs), surface plasmon waves that can propagate on ultrathin and flexible films to long distances in a wide broadband range from microwave to mid-infrared frequencies. We present the experimental realization of these CSPs…

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Topics & keywords

Topics

Keywords

Surface plasmon
Plasmon
Surface plasmon polariton
Materials science
Dielectric
Optoelectronics
Nanophotonics
Microwave

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