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Light extraction efficiency enhancement by EOT for a single quantum well

Published online by Cambridge University Press:  24 July 2009

Y. Z. Lin ,
K. Li  and
F. M. Kong
Y. Z. Lin
Affiliation:
School of Information Science and Engineering, Shandong University, 250100 Jinan, P.R. China
K. Li*
Affiliation:
School of Information Science and Engineering, Shandong University, 250100 Jinan, P.R. China
F. M. Kong
Affiliation:
School of Information Science and Engineering, Shandong University, 250100 Jinan, P.R. China
*
kangli0976@gmail.com
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Abstract

This study reports our numerical simulation of light extraction efficiency enhancement for a single quantum well by Extraordinary Optical Transmission (EOT) induced by a silver plate with air slit array. Our numerical experiment indicates that the enhancing effect could depend on a series of factors, namely, the nature of EOT, the polarizations and the positions of the quantum wells. Only by using TM polarized source significant enhancement can be achieved, and the enhancement excited by Fabry-Perot resonance is greater than that by surface plasmon polaritons; yet moving the source off the Ag/GaN interface will have the enhancement weakened. Position of the source, to be specific, either below an air slit or a silver strip, can lead to quite different results; and the greatest enhancement occurs when the source is placed right below the air slit.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 48 , Issue 1 , October 2009 , 10702
Copyright
© EDP Sciences, 2009

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