Quantum Key Distribution over 67 km with a plug & play system

Abstract

We present a fibre-optical quantum key distribution system. It works at 1550nm and is based on the plug & play setup. We tested the stability under field conditions using aerial and terrestrial cables and performed a key exchange over 67 km between Geneva and Lausanne.

8 pages, 3 figures, 2 tables. Submitted to the New Journal of Physics

References in corpus (2)

• Quantum cryptography: Public key distribution and coin tossing
• Photon counting for quantum key distribution with Peltier cooled InGaAs/InP APD's

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