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Wiley, Advanced Functional Materials, 23(18), p. 3772-3779, 2008

DOI: 10.1002/adfm.200800784

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Sol–Gel Based Vertical Optical Microcavities with Quantum Dot Defect Layers*

Journal article published in 2008 by Jacek Jasieniak ORCID, Cinzia Sada ORCID, Alessandro Chiasera, Maurizio Ferrari ORCID, Alessandro Martucci ORCID, Paul Mulvaney
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This paper is available in a repository.

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Abstract

The interaction between CdSe-CdS-ZnS semiconductor quantum dot emitters (QDs) and sol–gel based asymmetric Bragg microcavities is studied. It is found that the quality factor (Q) of such microcavities is limited by interlayer diffusion. This results in maximum Q values of less than 100. Despite this, these structures still exhibit optical signatures characteristic of the Purcell effect, where large modifications to the photoluminescence properties of QDs are observed.