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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