Heterodyne Coherent Scheme for Long Distance Quantum Key Distribution Using a Real Local Oscillator

Conference: ECOC 2016 - 42nd European Conference on Optical Communication
09/18/2016 - 09/22/2016 at Düsseldorf, Deutschland

Proceedings: ECOC 2016

Pages: 3Language: englishTyp: PDF

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Kleis, Sebastian; Schaeffer, Christian G. (Helmut Schmidt University, Holstenhofweg 85, 22043 Hamburg, Germany)

We present a novel heterodyne coherent scheme for secure key distribution. In contrast to most other QKD schemes it is very practical because it works with a real free running LO at the receiver side. It is suitable to achieve high key rates at long distances, which is demonstrated experimentally.