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Giant Stark effect in the emission of single semiconductor quantum dots

Mesoscale and Nanoscale Physics 2015-05-20 v1 Other Condensed Matter Quantum Physics
Authors: Anthony. J. Bennett , Raj. B. Patel , Joanna Skiba-Szymanska , Christine A. Nicoll , Ian Farrer , David A. Ritchie , Andrew J. Shields
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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, 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.

Keywords

quantum-confined Stark effect semiconductor quantum dot Stark shift InAs/GaAs

Cite

@article{arxiv.1011.2436,
  title  = {Giant Stark effect in the emission of single semiconductor quantum dots},
  author = {Anthony. J. Bennett and Raj. B. Patel and Joanna Skiba-Szymanska and Christine A. Nicoll and Ian Farrer and David A. Ritchie and Andrew J. Shields},
  journal= {arXiv preprint arXiv:1011.2436},
  year   = {2015}
}

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