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Showing 1–11 of 11 results
Advanced filters: Author: Mohamed Bourennane Clear advanced filters

  • Bound entanglement is a particular class that is not distillable—that is, it cannot be converted into a pure maximally entangled state by means of local operations and classical communication. A four-qubit bound entangled state, or Smolin state, has now been created experimentally.

    • Elias Amselem
    • Mohamed Bourennane
    Research
    Nature Physics
    Volume: 5, P: 748-752

  • Higher-order topologically protected states, localized to corners of photonic waveguide arrays, are experimentally demonstrated.

    • Ashraf El Hassan
    • Flore K. Kunst
    • Mohamed Bourennane
    Research
    Nature Photonics
    Volume: 13, P: 697-700

  • Hilbert space is made up of a potentially infinite number of dimensions that correspond to all the parameters needed to fully define a system. The idea is seen as an important resource for quantum information processing. A technique for estimating the number of dimensions in an unknown system based on the results of measurements performed on it—a so-called dimension witness—is now experimentally demonstrated.

    • Johan Ahrens
    • Piotr Badzia̧g
    • Mohamed Bourennane
    Research
    Nature Physics
    Volume: 8, P: 592-595

  • Quantifying communication capabilities produced by sharing an entangled qubit pair is still a subject of debate. Here the authors show that there are communication tasks for which sharing an entangled pair gives higher power than sharing two classical bits, even when there is no entanglement in the measurements.

    • Amélie Piveteau
    • Jef Pauwels
    • Armin Tavakoli
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-6

  • Quantum nonlocality is known to be reducible to quantum uncertainty and steering, but it is unclear whether steering is actually as essential as uncertainty. Here, the authors show that both steering and uncertainty play a role in determining optimal strategies in nonlocal games.

    • Ravishankar Ramanathan
    • Dardo Goyeneche
    • Paweł Horodecki
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-6