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Electrically driven and electrically tunable quantum light sources

Lee, J. P., Murray, E., Bennett, Anthony, Ellis, D.J.P., Dangel, C., Farrer, I., Spencer, P., Ritchie, D. A. and Shields, A. J. 2017. Electrically driven and electrically tunable quantum light sources. Applied Physics Letters 110 (7) , 071102. 10.1063/1.4976197

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Abstract

Compact and electrically controllable on-chip sources of indistinguishable photons are desirable for the development of integrated quantum technologies. We demonstrate that two quantum dot light emitting diodes (LEDs) in close proximity on a single chip can function as a tunable, all-electric quantum light source. Light emitted by an electrically excited driving LED is used to excite quantum dots in the neighbouring diode. The wavelength of the quantum dot emission from the neighbouring driven diode is tuned via the quantum confined Stark effect. We also show that we can electrically tune the fine structure splitting.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: AIP Publishing
ISSN: 0003-6951
Date of Acceptance: 1 December 2016
Last Modified: 17 Jul 2019 13:19
URI: http://orca-mwe.cf.ac.uk/id/eprint/106427

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