Real-time 70 Gbit/s, 128 QAM Quantum Noise Stream Cipher Transmission over 100 km with Secret Keys Delivered by Continuous Variable Quantum Key Distribution System
Conference: ECOC 2016 - 42nd European Conference on Optical Communication
09/18/2016 - 09/22/2016 at Düsseldorf, Deutschland
Proceedings: ECOC 2016
Pages: 3Language: englishTyp: PDFPersonal VDE Members are entitled to a 10% discount on this title
Nakazawa, Masataka; Yoshida, Masato; Hirooka, Toshihiko; Kasai, Keisuke (Research Institute of Electrical Communication, Tohoku University, Japan)
Hirano, Takuya (Department of Physics, Gakushuin University, Japan)
We demonstrate a real-time quantum noise stream cipher transmission with a continuous variable quantum key distribution system to greatly increase encryption security. 70 Gbit/s, 128 QAM encrypted data have been successfully transmitted over 100 km.