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Showing 1–5 of 5 results
Advanced filters: Author: Jean-Claude Besse Clear advanced filters

  • Deterministic generation of photonic multi-partite entangled states has previously been achieved for specific states using ad-hoc devices. Here, the authors present a single superconducting circuit device to deterministically generate a variety of states, namely W, GHZ, and cluster states.

    • Jean-Claude Besse
    • Kevin Reuer
    • Christopher Eichler
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-6

  • Cluster states are a key resource in quantum technologies, but generation of large-scale 2D cluster states faces several difficulties. Here, the authors show how to generate a 2 × n ladder-like cluster state via sequential emission of time- and frequency multiplexed photonic qubits from a transmon-based device.

    • James O’Sullivan
    • Kevin Reuer
    • Andreas Wallraff
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-7

  • Real-time feedback control of quantum systems without relying on a description of the system itself is usually challenging. Here, the authors exploit deep reinforcement learning to realise feedback control for initialisation of a superconducting qubit on a submicrosecond timescale.

    • Kevin Reuer
    • Jonas Landgraf
    • Christopher Eichler
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-7

  • A loophole-free violation of Bell’s inequality with superconducting circuits shows that non-locality is a viable new resource in quantum information technology realized with superconducting circuits, promising many potential applications.

    • Simon Storz
    • Josua Schär
    • Andreas Wallraff
    ResearchOpen Access
    Nature
    Volume: 617, P: 265-270