Quantum-dot photon dynamics in a coupled-cavity waveguide: Observing band-edge quantum optics

We introduce a tight-binding approach to model the emission dynamics of a quantum-dot in realistic, photonic-crystal-slab coupled-cavity systems. We apply our approach to a quantum-dot strongly coupled at the band edge of a lossy coupled-cavity waveguide and calculate the quantum-dot dynamics as wel...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2007-11, Vol.76 (5), Article 053801
Main Authors: Fussell, D. P., Dignam, M. M.
Format: Article
Language:English
Subjects:
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CRYSTALS
LUMINESCENCE
OSCILLATIONS
PHOTONS
QUANTUM DOTS
TIME RESOLUTION
WAVEGUIDES
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Summary:We introduce a tight-binding approach to model the emission dynamics of a quantum-dot in realistic, photonic-crystal-slab coupled-cavity systems. We apply our approach to a quantum-dot strongly coupled at the band edge of a lossy coupled-cavity waveguide and calculate the quantum-dot dynamics as well as the photon dynamics along the waveguide. We show that the condition for strong coupling is simply parametrized in terms of the waveguide loss and find that the key signature of the strong-coupling, Rabi oscillations, could be observed via time-resolved photon detection.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.76.053801