Bifunctional Gap-Plasmon Metasurfaces for Visible Light

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Abstrakt

We design, fabricate and experimentally demonstrate bifunctional gap-plasmon metasurfaces for visible light, allowing simultaneous polarization-controlled unidirectional surface plasmon polariton (SPP) excitation and beam steering at normal incidence. The fabricated metasurfaces can efficiently launch unidirectional SPP within the wavelength range of 600-650 nm with an averaged coupling efficiency of >25% and extinction ratio exceeding 20 dB under normal illumination with the x-polarized beam. Meanwhile, broadband beam steering has been experimentally realized for y-polarization in the spectrum ranging from 580 nm to 700 nm.

OriginalsprogEngelsk
TitelProceedings of the 2018 Progress in Electromagnetics Research Symposium (PIERS-Toyama)
ForlagIEEE
Publikationsdato31. dec. 2018
Sider1265-1269
ISBN (Trykt)978-1-5386-5455-2
ISBN (Elektronisk)978-4-8855-2316-8, 978-4-8855-2315-1
DOI
StatusUdgivet - 31. dec. 2018
BegivenhedProgress in Electromagnetics Research Symposium - Toyama, Japan
Varighed: 1. aug. 20184. aug. 2018

Konference

KonferenceProgress in Electromagnetics Research Symposium
Land/OmrådeJapan
ByToyama
Periode01/08/201804/08/2018
NavnProgress in Electromagnetics Research Symposium
ISSN1559-9450

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