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Plasmonic sectoral horn nanoantennas
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2014 (English)In: Optics Letters, ISSN 0146-9592, E-ISSN 1539-4794, Vol. 39, no 11, 3204-3207 p.Article in journal (Refereed) Published
Abstract [en]

In this Letter, plasmonic sectoral horn nanoantennas working at near-infrared wavelength (1550 nm) have been investigated. We demonstrate that, although there are certain differences between the plasmonic and classical radio-frequency (RF) sectoral horn antennas, the plasmonic horns still possess a number of attractive features, like their RF counterparts, such as tunable high directivities, simplicity in fabrication, and ease of coupling to waveguides. As a specific application, we further show how to exploit these findings to optimize an optical wireless nanolink using the proposed horn nanoantennas, and obtain a 60-fold increase in the received power compared with the situation of matched dipole nanoantennas.

Place, publisher, year, edition, pages
2014. Vol. 39, no 11, 3204-3207 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-147738DOI: 10.1364/OL.39.003204ISI: 000337107100031Scopus ID: 2-s2.0-84901716124OAI: oai:DiVA.org:kth-147738DiVA: diva2:732601
Funder
Swedish Research Council
Note

QC 20140704

Available from: 2014-07-04 Created: 2014-07-03 Last updated: 2017-12-05Bibliographically approved

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