Electrically driven and electrically tunable quantum light sources

J. P. Lee; E. Murray; A. J. Bennett; D. J. P. Ellis; C. Dangel; I. Farrer; P. Spencer; D. A. Ritchie; A. J. Shields

doi:10.1063/1.4976197

Electrically driven and electrically tunable quantum light sources

Mesoscale and Nanoscale Physics 2018-05-01 v1 Optics Quantum Physics

Authors: J. P. Lee , E. Murray , A. J. Bennett , D. J. P. Ellis , C. Dangel , I. Farrer , P. Spencer , D. A. Ritchie , A. J. Shields

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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 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.

Keywords

quantum dots quantum dots and electron transport single-photon sources

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@article{arxiv.1701.04255,
  title  = {Electrically driven and electrically tunable quantum light sources},
  author = {J. P. Lee and E. Murray and A. J. Bennett and D. J. P. Ellis and C. Dangel and I. Farrer and P. Spencer and D. A. Ritchie and A. J. Shields},
  journal= {arXiv preprint arXiv:1701.04255},
  year   = {2018}
}

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4 pages

Electrically driven and electrically tunable quantum light sources

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