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1 March 2011 Coherent coupling of the excitonic states in a single quantum dot
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Abstract
A large vertical electric field can be used to linearly change the fine-structure splitting of a single InGaAs/GaAs quantum dot by over 100 μeV. In each single dot an avoided crossing is observed, where the magnitude of the splitting reaches a minimum value. We confirm in experiment that polarization-entangled photon pair emission occurs from quantum dots tuned in this manner.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Anthony J. Bennett, Matthew A. Pooley, R. Mark Stevenson, Martin B. Ward, Raj B. Patel, Antoine Boyer de la Giroday, Niklas Sköld, Ian Farrer, Christine A. Nicoll, David A. Ritchie, and Andrew J. Shields "Coherent coupling of the excitonic states in a single quantum dot", Proc. SPIE 7947, Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling VIII, 794707 (1 March 2011); https://doi.org/10.1117/12.872350
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