Electrically driven single-photon source

Yuan, Zhiliang, Kardynał, Beata, Stevenson, R. Mark, Lobo, Charlene, Cooper, Ken, Beattie, Neil, Ritchie, David and Pepper, Michael (2002) Electrically driven single-photon source. Science, 295 (5552). pp. 102-105. ISSN 0036-8075

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Official URL: http://dx.doi.org/10.1126/science.1066790

Abstract

Electroluminescence from a single quantum dot within the intrinsic region of a p-i-n junction is shown to act as an electrically driven single-photon source. At low injection currents, the dot electroluminescence spectrum reveals a single sharp line due to exciton recombination, while another line due to the biexciton emerges at higher currents. The second-order correlation function of the diode displays anti-bunching under a continuous drive current. Single-photon emission is stimulated by subnanosecond voltage pulses. These results suggest that semiconductor technology can be used to mass-produce a single-photon source for applications in quantum information technology.

Item Type: Article
Subjects: F300 Physics
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Ay Okpokam
Date Deposited: 18 Jun 2012 16:21
Last Modified: 24 Oct 2017 08:55
URI: http://nrl.northumbria.ac.uk/id/eprint/7721

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