Emission characteristics of quantum dots in planar microcavities

G Ramon, U Mizrahi, N Akopian, S Braitbart, D Gershoni, T L Reinecke, Brian D Gerardot, P M Petroff

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Abstract

The emission properties of single quantum dots in planar microcavities are studied experimentally and theoretically. Fivefold enhanced spontaneous emission outside the microcavity is found for dots in resonance with the cavity mode, relative to detuned dots. Using high-power excitation we obtain the in-plane cavity dispersion. Near-field images of the emission show spatial distributions of several micrometers for resonant dots, which decrease in size with the detuning from resonance. These experimental findings are explained using a simple and intuitive model.

Original languageEnglish
Article number205330
Number of pages11
JournalPhysical Review B: Condensed Matter and Materials Physics
Volume73
Issue number20
DOIs
Publication statusPublished - 15 May 2006

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