
A novel secure communication network with quantum key distribution in a metropolitan area is reported. Different QKD schemes are integrated to demonstrate secure TV conferencing over a distance of 45km, stable long-term operation, and application to secure mobile phones.
21 pages, 19 figures
103026 Quantum optics, Quantum Physics, 103026 Quantenoptik, FOS: Physical sciences, 547, Quantum Physics (quant-ph)
103026 Quantum optics, Quantum Physics, 103026 Quantenoptik, FOS: Physical sciences, 547, Quantum Physics (quant-ph)
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