Directional Control of Light-Emitting-Diode Emission via a Subwavelength-Apertured Metal Surface

Summers, Huw David and Harries, Michael D. 2006. Directional Control of Light-Emitting-Diode Emission via a Subwavelength-Apertured Metal Surface. IEEE Photonics Technology Letters 18 , pp. 2197-2199. 10.1109/LPT.2006.884243

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Abstract

A thin Au film with a hexagonal array of subwavelength apertures has been integrated onto a semiconductor light-emitting diode. This produces a highly directional far-field pattern with a strong polarization dependence and alters the spectral shape of the light emission from the semiconductor. A two-dimensional k-space analysis of the experimental data shows good agreement with a simple model of surface plasmon to photon coupling via the periodic structure of the metal film

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
ISSN:	1041-1135
Last Modified:	01 Feb 2020 23:34
URI:	https://orca.cardiff.ac.uk/id/eprint/1583

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