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Research Letters in Nanotechnology
Volume 2008, Article ID 974072, 4 pages
http://dx.doi.org/10.1155/2008/974072
Research Letter

Angular Dependence of Fluorescence Emission from Quantum Dots inside a Photonic Crystal

1Department of Chemistry, Institute of Nanoscale Physics and Chemistry (INPAC), Katholieke Universiteit Leuven, Celestijnenlaan 200D, 3001 Heverlee, Belgium
2Laboratory of Solid State Physics and Magnetism, Institute of Nanoscale Physics and Chemistry (INPAC), Katholieke Universiteit Leuven, Celestijnenlaan 200D, 3001 Heverlee, Belgium

Received 23 January 2008; Accepted 2 April 2008

Academic Editor: Jeffery L. Coffer

Copyright © 2008 Kasper Baert et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The fluorescence of emitters embedded in a photonic crystal is known to be inhibited by the presence of an incomplete photonic band gap or pseudogap acting in their emission range. Here, we present a study of the angular dependence of the fluorescence emission of emitters embedded in a photonic crystal. Our results clearly show an angular dependence of the fluorescence emission, which is caused by the presence of an incomplete 3D band gap.