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Giant Stark effect in the emission of single semiconductor quantum dots

Bennett, Anthony, Patel, Raj B., Skiba-Szymanska, Joanna, Nicoll, Christine A., Farrer, Ian, Ritchie, David A. and Shields, Andrew J. 2010. Giant Stark effect in the emission of single semiconductor quantum dots. Applied Physics Letters 97 (3) , 031104. 10.1063/1.3460912

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Abstract

We study the quantum-confined Stark effect in single InAs/GaAs quantum dots embedded within a AlGaAs/GaAs/AlGaAs quantum well. By significantly increasing the barrier height we can observe emission from a dot at electric fields of 500 kV cm −1, leading to Stark shifts of up to 25 meV. Our results suggest this technique may enable future applications that require self-assembled dots with transitions at the same energy.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Engineering
Publisher: American Institute of Physics
ISSN: 0003-6951
Date of Acceptance: 13 June 2010
Last Modified: 04 Dec 2017 16:59
URI: http://orca-mwe.cf.ac.uk/id/eprint/106826

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