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Cavity-Mediated Coherent Coupling between Distant Quantum Dots

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2018

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Nicolí, Giorgio
Ferguson, Michael Sven
Rössler, Clemens
Wolfertz, Alexander
Blatter, Gianni
Ihn, Thomas
Ensslin, Klaus
Reichl, Christian
Wegscheider, Werner

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https://doi.org/10.1103/PhysRevLett.120.236801
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http://arxiv.org/abs/1712.08569

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Physical Review Letters. American Physical Society (APS). 2018, 120(23), 236801. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.120.236801

Zusammenfassung

Scalable architectures for quantum information technologies require one to selectively couple long-distance qubits while suppressing environmental noise and cross talk. In semiconductor materials, the coherent coupling of a single spin on a quantum dot to a cavity hosting fermionic modes offers a new solution to this technological challenge. Here, we demonstrate coherent coupling between two spatially separated quantum dots using an electronic cavity design that takes advantage of whispering-gallery modes in a two-dimensional electron gas. The cavity-mediated, long-distance coupling effectively minimizes undesirable direct cross talk between the dots and defines a scalable architecture for all-electronic semiconductor-based quantum information processing.

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ISO 690NICOLÍ, Giorgio, Michael Sven FERGUSON, Clemens RÖSSLER, Alexander WOLFERTZ, Gianni BLATTER, Thomas IHN, Klaus ENSSLIN, Christian REICHL, Werner WEGSCHEIDER, Oded ZILBERBERG, 2018. Cavity-Mediated Coherent Coupling between Distant Quantum Dots. In: Physical Review Letters. American Physical Society (APS). 2018, 120(23), 236801. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.120.236801
BibTex
@article{Nicoli2018-06-08Cavit-54983,
  year={2018},
  doi={10.1103/PhysRevLett.120.236801},
  title={Cavity-Mediated Coherent Coupling between Distant Quantum Dots},
  number={23},
  volume={120},
  issn={0031-9007},
  journal={Physical Review Letters},
  author={Nicolí, Giorgio and Ferguson, Michael Sven and Rössler, Clemens and Wolfertz, Alexander and Blatter, Gianni and Ihn, Thomas and Ensslin, Klaus and Reichl, Christian and Wegscheider, Werner and Zilberberg, Oded},
  note={Article Number: 236801}
}
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