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Showing 1–7 of 7 results
Advanced filters: Author: Paul Kwiat Clear advanced filters

  • Classically, one photon can transport one bit of information. But more is possible when quantum entanglement comes into play, and a record ‘channel capacity’ of 1.63 bits per photon has now been demonstrated, using a method that overcomes fundamental limitations of earlier approaches to ‘superdense coding’.

    • Julio T. Barreiro
    • Tzu-Chieh Wei
    • Paul G. Kwiat
    Research
    Nature Physics
    Volume: 4, P: 282-286

  • There's a long wish list for a workable quantum computer: a viable system must be fast, compact and stable. The first integrated optical quantum logic circuits are a step in the right direction.

    • Paul G. Kwiat
    News & Views
    Nature
    Volume: 453, P: 294-295

  • Implementations of known quantum teleportation techniques suffer from a number of technical limitations, most notably the scaling of the required classical resources. Here, the authors implement a new protocol, superdense teleportation, which requires fewer resources than the conventional approaches.

    • Trent M. Graham
    • Herbert J. Bernstein
    • Paul G Kwiat
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-9

  • In 1960 the invention of the laser allowed classical light to be amplified inside a cavity. New experiments show that photons in a special quantum state can also be amplified.

    • Paul Kwiat
    News & Views
    Nature
    Volume: 412, P: 866-867