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Enhanced emission and light control with tapered plasmonic nanoantennas

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Date

2011-08-23

Authors

Maksymov, Ivan S.
Davoyan, Arthur R.
Kivshar, Yuri

Journal Title

Journal ISSN

Volume Title

Publisher

American Institute of Physics (AIP)

Abstract

We introduce a design of Yagi-Uda plasmonic nanoantennas for enhancing the antenna gain and achieving control over the angular emission of light. We demonstrate that tapering of antenna elements allows to decrease spacing between the antenna elements tenfold also enhancing its emission directivity. We find the optimal tapering angle that provides the maximum directivity enhancement and the minimum end-fire beamwidth.

Description

Keywords

Keywords: Angular emission; Beam widths; Directive gains; Directivity; Directivity enhancement; End-fire; Enhanced Emission; Inter-element spacing; Light control; Nanoantennas; Plasmonic; Plasmons

Citation

URI

http://hdl.handle.net/1885/95073

Collections

ANU Research Publications

Source

Applied Physics Letters

Type

Journal article

Book Title

Entity type

Access Statement

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DOI

10.1063/1.3629787

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01_Maksymov_Enhanced_emission_and_light_2011.pdf (411.66 KB)
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