Enhanced emission and light control with tapered plasmonic nanoantennas

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

doi:10.1063/1.3629787

Enhanced emission and light control with tapered plasmonic nanoantennas

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

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

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

Original language	English
Article number	083304
Journal	Applied Physics Letters
Volume	99
Issue number	8
DOIs	https://doi.org/10.1063/1.3629787
Publication status	Published - 22 Aug 2011

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title = "Enhanced emission and light control with tapered plasmonic nanoantennas",

abstract = "We introduce a design of Yagi-Uda plasmonic nanoantennas for enhancing the directive gain and achieving control over the angular emission of light. We demonstrate that tapering of nanoantenna elements allows to decrease the inter-element spacing tenfold also enhancing the emission directivity. We find the optimal tapering angle that provides the maximum directivity enhancement and the minimum end-fire beamwidth.",

author = "Maksymov, {Ivan S.} and Davoyan, {Arthur R.} and Kivshar, {Yuri S.}",

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AU - Maksymov, Ivan S.

AU - Davoyan, Arthur R.

AU - Kivshar, Yuri S.

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N2 - We introduce a design of Yagi-Uda plasmonic nanoantennas for enhancing the directive gain and achieving control over the angular emission of light. We demonstrate that tapering of nanoantenna elements allows to decrease the inter-element spacing tenfold also enhancing the emission directivity. We find the optimal tapering angle that provides the maximum directivity enhancement and the minimum end-fire beamwidth.

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

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U2 - 10.1063/1.3629787

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VL - 99

JO - Applied Physics Letters

JF - Applied Physics Letters

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Enhanced emission and light control with tapered plasmonic nanoantennas

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