Microcavity enhanced single photon emission from an electrically driven site-controlled quantum dot

C. Schneider*, T. Heindel, A. Huggenberger, T. A. Niederstrasser, S. Reitzenstein, A. Forchel, Sven Höfling, M. Kamp

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

In this work we report on the integration of single site-controlled quantum dots (SCQDs) into electrically driven micropillar cavities. The electroluminescence of these devices features emission of single SCQDs with inhomogeneous broadenings down to 170 mu eV. The enhancement of electroluminescence by quantum dot-cavity coupling is demonstrated by temperature dependent investigations. Single photon emission from a spatially and spectrally coupled SCQD-resonator system is confirmed by photon autocorrelation measurements under electrical excitation yielding a g((2))(0) value of 0.42. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3689782]

Original languageEnglish
Article number091108
Number of pages4
JournalApplied Physics Letters
Volume100
Issue number9
DOIs
Publication statusPublished - 27 Feb 2012

Keywords

  • EMITTING DIODE

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