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Showing 1–4 of 4 results
Advanced filters: Author: Niels Ubbelohde Clear advanced filters

  • Fluctuations of the electrical current in nanoscale devices reveal important details of the physical processes occurring inside them. Using a quantum point contact placed in its vicinity, Ubbelohde et al. measure the electrical fluctuations in a single-electron transistor, and determine the dynamical features of the transport.

    • Niels Ubbelohde
    • Christian Fricke
    • Rolf J. Haug
    ResearchOpen Access
    Nature Communications
    Volume: 3, P: 1-6

  • The splitting of electron pairs, which is essential for electron-based quantum information processing, can now be obtained with electron pairs that have been generated on-demand.

    • Niels Ubbelohde
    • Frank Hohls
    • Rolf J. Haug
    Research
    Nature Nanotechnology
    Volume: 10, P: 46-49

  • Coincidence correlations between ballistic on-demand electrons passing through a mesoscopic beam splitter are measured and modelled to reveal signatures of unscreened Coulomb interactions, establishing a platform for quantum nonlinearity.

    • Niels Ubbelohde
    • Lars Freise
    • Vyacheslavs Kashcheyevs
    Research
    Nature Nanotechnology
    Volume: 18, P: 733-740

  • Fidelity control is important to quantum metrology and fault-tolerant quantum computation. Here, authors realize clock-controlled transfer of electrons through quantum dots and describe the statistics of accumulated charge by a random-walk model, achieving a benchmark for single-electron circuits.

    • David Reifert
    • Martins Kokainis
    • Niels Ubbelohde
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-7