Mapping the Local Density of Optical States of a Photonic Crystal with Single Quantum Dots

Qin Wang, Søren Stobbe, Peter Lodahl

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Abstract

We use single self-assembled InGaAs quantum dots as internal probes to map the local density of optical states of photonic crystal membranes. The employed technique separates contributions from nonradiative recombination and spin-flip processes by properly accounting for the role of the exciton fine structure. We observe inhibition factors as high as 70 and compare our results to local density of optical states calculations available from the literature, thereby establishing a quantitative understanding of photon emission in photonic crystal membranes. © 2011 American Physical Society.
Original languageEnglish
JournalPhysical Review Letters
Volume107
Issue number16
Pages (from-to)167404
ISSN0031-9007
DOIs
Publication statusPublished - 2011

Bibliographical note

Copyright 2011 American Physical Society.

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