Coherent coupling of the excitonic states in a single quantum dot

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; Andrew J. Shields

doi:10.1117/12.872350

1 March 2011 Coherent coupling of the excitonic states in a single quantum dot

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, Andrew J. Shields

Author Affiliations +

Proceedings Volume 7947, Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling VIII; 794707 (2011) https://doi.org/10.1117/12.872350
Event: SPIE OPTO, 2011, San Francisco, California, United States

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.

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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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