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Ultrafast Detection and Manipulation of a Persistent Trion Coherence in a Single CdSe/ZnSe Quantum Dot

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2021

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Holtkemper, Matthias
Reiter, Doris E.
Kuhn, Tilmann

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2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). Piscataway, NJ: IEEE, 2021. ISBN 978-1-66541-876-8. Available under: doi: 10.1109/CLEO/Europe-EQEC52157.2021.9542144

Zusammenfassung

The lifetime of coherence is a key parameter in several fields of solid-state physics. In particular, the generation, detection and manipulation of long-lived coherences between highly excited states remains challenging. II-VI compound semiconductor quantum dots (QD) represent advantageous spin-to-photon devices in combination with femtosecond light pulses [1] , [2] . In this work, we generate a persistent trion coherence between excited states and detect its evolution via biexcitonic absorption. Pump-probe polarizations provide control over amplitude and phase of the resulting quantum beats, enabling us to investigate the dynamics upon single-electron excitation.

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530 Physik

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2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 21. Juni 2021 - 25. Juni 2021, Munich, Germany
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ISO 690HENZLER, Philipp, Matthias HOLTKEMPER, Christian TRAUM, Doris E. REITER, Tilmann KUHN, Denis V. SELETSKIY, Alfred LEITENSTORFER, 2021. Ultrafast Detection and Manipulation of a Persistent Trion Coherence in a Single CdSe/ZnSe Quantum Dot. 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). Munich, Germany, 21. Juni 2021 - 25. Juni 2021. In: 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). Piscataway, NJ: IEEE, 2021. ISBN 978-1-66541-876-8. Available under: doi: 10.1109/CLEO/Europe-EQEC52157.2021.9542144
BibTex
@inproceedings{Henzler2021Ultra-56585,
  year={2021},
  doi={10.1109/CLEO/Europe-EQEC52157.2021.9542144},
  title={Ultrafast Detection and Manipulation of a Persistent Trion Coherence in a Single CdSe/ZnSe Quantum Dot},
  isbn={978-1-66541-876-8},
  publisher={IEEE},
  address={Piscataway, NJ},
  booktitle={2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)},
  author={Henzler, Philipp and Holtkemper, Matthias and Traum, Christian and Reiter, Doris E. and Kuhn, Tilmann and Seletskiy, Denis V. and Leitenstorfer, Alfred}
}
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