Magneto optics of single photons emitted from single InAs/GaAs self-assembled quantum dots in a planar microcavity

S Alon-Braitbart, E Poem, L Fradkin, N Akopian, S Vilan, E Lifshitz, E Ehrenfreund, D Gershoni, B D Gerardot, A Badolato, P M Petroff

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Abstract

We fully characterize the fine spectral structure of neutral and negatively charged single microcavity quantum dot excitons, using polarization-sensitive magneto-photoluminescence spectroscopy. We show that the microcavity allows the simultaneous detection of both the bright and dark excitons using Faraday configuration. Thus, we were able to fully determine the fine structure and the g-factors of the neutral and negatively charged single exciton states within the same single quantum dot. Our measurements are in excellent agreement with novel, many carrier model calculations, which take into account Coulomb and exchange interactions among all the confined e-h pair states. (c) 2006 Published by Elsevier B.V.

Original languageEnglish
Pages (from-to)127-130
Number of pages4
JournalPhysica A: Statistical Mechanics and its Applications
Volume32
Issue number1-2
DOIs
Publication statusPublished - May 2006

Cite this

Alon-Braitbart, S., Poem, E., Fradkin, L., Akopian, N., Vilan, S., Lifshitz, E., Ehrenfreund, E., Gershoni, D., Gerardot, B. D., Badolato, A., & Petroff, P. M. (2006). Magneto optics of single photons emitted from single InAs/GaAs self-assembled quantum dots in a planar microcavity. Physica A: Statistical Mechanics and its Applications, 32(1-2), 127-130. https://doi.org/10.1016/j.physe.2005.12.166