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arxiv: 1011.2436 · v1 · pith:Q6JCDOBSnew · submitted 2010-11-10 · ❄️ cond-mat.mes-hall · cond-mat.other· quant-ph

Giant Stark effect in the emission of single semiconductor quantum dots

Anthony. J. Bennett , Raj. B. Patel , Joanna Skiba-Szymanska , Christine A. Nicoll , Ian Farrer , David A. Ritchie , Andrew J. Shields This is my paper
classification ❄️ cond-mat.mes-hall cond-mat.otherquant-ph
keywords dotsquantumstarkalgaaseffectemissiongaassingle
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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, 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.

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