Exciton-photon strong-coupling regime for a single quantum dot embedded in a microcavity

We report on the observation of the strong-coupling regime between the excitonic transition of a single GaAs quantum dot and a discrete optical mode of a microdisk microcavity. Photoluminescence is performed at various temperatures to tune the quantum dot exciton with respect to the optical mode. At...

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Bibliographic Details
Published in:Physical review letters 2005-08, Vol.95 (6), p.067401.1-067401.4
Main Authors: PETER, E, SENELLART, P, MARTROU, D, LEMAITRE, A, HOURS, J, GERARD, J. M, BLOCH, J
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures
Physics
Quantum dots
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Summary:We report on the observation of the strong-coupling regime between the excitonic transition of a single GaAs quantum dot and a discrete optical mode of a microdisk microcavity. Photoluminescence is performed at various temperatures to tune the quantum dot exciton with respect to the optical mode. At resonance, we observe a clear anticrossing behavior, signature of the strong-coupling regime. The vacuum Rabi splitting amounts to 400 microeV and is twice as large as the individual linewidths.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.95.067401