Giant Stark effect in the emission of single semiconductor quantum dots

Bennett, Anthony ORCID: https://orcid.org/0000-0002-5386-3710, 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:	Schools > Engineering
Publisher:	American Institute of Physics
ISSN:	0003-6951
Date of Acceptance:	13 June 2010
Last Modified:	03 Nov 2022 10:04
URI:	https://orca.cardiff.ac.uk/id/eprint/106826

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