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Enhanced emission from Si-based light-emitting diodes using surface plasmons

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Date

2006-04-17

Authors

Pillai, S.
Catchpole, K. R.
Trupke, T.
Zhang, G.
Zhao, J.
Green, M. A.

Journal Title

Journal ISSN

Volume Title

Publisher

American Institute of Physics (AIP)

Abstract

Excitation of surface plasmons on metallic nanoparticles has potential for increasing the absorption and emission from thin Si devices. We report an eight-fold enhancement in electroluminescence from silicon-on-insulator light-emitting diodes at 900nm via excitation of surface plasmon resonance in silvernanoparticles, along with a redshift in the electroluminescence by 70nm by overcoating the nanoparticles with ZnS. The enhancement is due to coupling between the electromagnetic excitations of the silvernanoparticles and the waveguide modes.

Description

Keywords

Keywords: Electroluminescence; Electromagnetic field effects; Light emission; Nanostructured materials; Semiconductor lasers; Surface plasmon resonance; Zinc sulfide; Electromagnetic excitations; Si devices; Waveguide modes; Light emitting diodes

Citation

URI

http://hdl.handle.net/1885/16448

Collections

Open Access Research

Source

Applied Physics Letters

Type

Journal article

Book Title

Entity type

Access Statement

License Rights

DOI

10.1063/1.2195695

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