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Showing 1–4 of 4 results
Advanced filters: Author: Johannes Skaar Clear advanced filters

  • A quantum key distribution system allows two remote parties to communicate in secret by a shared key code. This work demonstrates a complete and undetected eavesdropping attack on a quantum key distribution connection, highlighting the need for further security updates on secure communication systems.

    • Ilja Gerhardt
    • Qin Liu
    • Vadim Makarov
    Research
    Nature Communications
    Volume: 2, P: 1-6

  • By using bright pulses of light to ‘blind’ the avalanche photodiode detectors used in quantum cryptography equipment, scientists in Europe have shown that it is possible to tracelessly steal the secret encryption key generated by such systems and thus compromise their security.

    • Lars Lydersen
    • Carlos Wiechers
    • Vadim Makarov
    Research
    Nature Photonics
    Volume: 4, P: 686-689

  • The benchmark for a global quantum internet — quantum teleportation of independent qubits using active feed-forward over a free-space link whose attenuation corresponds to the path between a satellite and a ground station — has now been successfully achieved over a distance of 143 km, between the Canary Islands of La Palma and Tenerife.

    • Xiao-Song Ma
    • Thomas Herbst
    • Anton Zeilinger
    Research
    Nature
    Volume: 489, P: 269-273