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Direct Observation of the Origin of Spectral Diffusion in Colloidal Quantum Dots

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2023

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Proceedings of the 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). Piscataway, NJ: IEEE, 2023. ISSN 2639-5452. eISSN 2833-1052. ISBN 979-8-3503-4600-8. Verfügbar unter: doi: 10.1109/cleo/europe-eqec57999.2023.10232272

Zusammenfassung

An essential ingredient of quantum photonic technologies is the ability to control and read out single- or few-electron excitations. In solid-state sources of quantum light, such capabilities require a thorough understanding of both the emitters themselves and their noisy environment. In particular, the effect of electric-field noise in the micro environment of an emitter is still not well understood even though it is arguably the largest contributor to spectral noise. Here, we apply optical cryogenic spectroscopy of individual colloidal quantum dots (CQDs) to provide the first direct proof that the quantum confined Stark effect (QCSE) is the underlying mechanism of spectral instabilities.

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530 Physik

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Colloidal Quantum Dots, Spectral Diffusion, External Field, Waveguide, External Electric Field, Noisy Environments, Direct Proof, Individual Dots, Single-photon Sources

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2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 26. Juni 2023 - 30. Juni 2023, Munich, Germany
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ISO 690TENNE, Ron, Frieder CONRADT, Vincent BEZOLD, Volker WIECHERT, Alfred LEITENSTORFER, 2023. Direct Observation of the Origin of Spectral Diffusion in Colloidal Quantum Dots. 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). Munich, Germany, 26. Juni 2023 - 30. Juni 2023. In: Proceedings of the 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). Piscataway, NJ: IEEE, 2023. ISSN 2639-5452. eISSN 2833-1052. ISBN 979-8-3503-4600-8. Verfügbar unter: doi: 10.1109/cleo/europe-eqec57999.2023.10232272
BibTex
@inproceedings{Tenne2023-06-26Direc-71849,
  year={2023},
  doi={10.1109/cleo/europe-eqec57999.2023.10232272},
  title={Direct Observation of the Origin of Spectral Diffusion in Colloidal Quantum Dots},
  isbn={979-8-3503-4600-8},
  issn={2639-5452},
  publisher={IEEE},
  address={Piscataway, NJ},
  booktitle={Proceedings of the 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)},
  author={Tenne, Ron and Conradt, Frieder and Bezold, Vincent and Wiechert, Volker and Leitenstorfer, Alfred}
}
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