Sol-gel based vertical optical microcavities with quantum dot defect layers

Jacek Jasieniak, Cinzia Sada, Alessandro Chiasera, Maurizio Ferrari, Alessandro Martucci, Paul Mulvaney

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43 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)3772-3779
Number of pages8
JournalAdvanced Functional Materials
Issue number23
Publication statusPublished - 8 Dec 2008
Externally publishedYes

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