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Plasmon-Enhanced Emission Rates from III-Nitride Quantum Wells Using Tunable Surface Plasmons

Published online by Cambridge University Press:  04 February 2011

J. Henson ,
J. DiMaria ,
E. Dimakis ,
R. Li ,
S. Minissale ,
L. Dal Negro ,
T. D. Moustakas  and
R. Paiella
J. Henson
Affiliation:
Department of Electrical and Computer Engineering and Photonics Center, Boston University
J. DiMaria
Affiliation:
Department of Electrical and Computer Engineering and Photonics Center, Boston University
E. Dimakis
Affiliation:
Department of Electrical and Computer Engineering and Photonics Center, Boston University
R. Li
Affiliation:
Department of Electrical and Computer Engineering and Photonics Center, Boston University
S. Minissale
Affiliation:
Department of Electrical and Computer Engineering and Photonics Center, Boston University
L. Dal Negro
Affiliation:
Department of Electrical and Computer Engineering and Photonics Center, Boston University
T. D. Moustakas
Affiliation:
Department of Electrical and Computer Engineering and Photonics Center, Boston University
R. Paiella
Affiliation:
Department of Electrical and Computer Engineering and Photonics Center, Boston University
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Abstract

Two-dimensional arrays of silver nanocylinders fabricated by electron-beam lithography are used to demonstrate plasmon-enhanced near-green light emission from nitride semiconductor quantum wells. Large enhancements in peak photoluminescence intensity (up to a factor of over 3) are obtained, accompanied by a substantial reduction in recombination lifetime indicative of increased internal quantum efficiency. The measured enhancement factors exhibit a strong dependence on the nanoparticle dimensions, underscoring the importance of geometrical tuning for this application.

Keywords

luminescencemolecular beam epitaxy (MBE)nanostructure
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1294: Symposium M – Resonant Optical Antennas-Sensing and Shaping Materials , 2011 , mrsf10-1294-m05-10
Copyright
Copyright © Materials Research Society 2011

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References

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