Phys. Rev. Lett. 95, 067401 (2005) [4 pages]Exciton-Photon Strong-Coupling Regime for a Single Quantum Dot Embedded in a MicrocavityReceived 7 November 2004; published 1 August 2005 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 μeV and is twice as large as the individual linewidths. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.95.067401
DOI:
10.1103/PhysRevLett.95.067401
PACS:
78.67.Hc, 78.55.Cr, 78.90.+t
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