Superconducting plasmonics and extraordinary transmission
A. Tsiatmas, R. Buckingham, V. A. Fedotov, S. Wang, Y. Chen, P. de, Groot, N. I. Zheludev
TL;DR
This paper explores the phenomenon of extraordinary transmission through sub-wavelength holes in a high-temperature superconductor, highlighting superconductors' unique plasmonic properties due to negative dielectric constant and kinetic resistance.
Contribution
It presents the first experimental investigation of extraordinary transmission in a superconducting plasmonic medium, expanding understanding of superconductors in plasmonics.
Findings
Demonstrated extraordinary transmission in a superconducting film
Identified the role of negative dielectric constant in transmission
Highlighted potential for superconducting plasmonic devices
Abstract
Negative dielectric constant and dominant kinetic resistance make superconductors an intriguing plasmonic media. Here we report on the first study of one of the most important and disputed manifestations of plasmonics, the effect of extraordinary transmission through an array of sub-wavelength holes, using a perforated film of high-temperature superconductor.
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