The Madrid Quantum Network: A Quantum-Classical Integrated Infrastructure
Vicente Martín, Alejandro Aguado, Pedro J. Salas, Angel L. Sanz, Juan P. Brito, Diego R. Lopez, Vı́ctor López, Antonio Pastor, Jesús Folgueira, Hans H. Brunner, Stefano Bettelli, Fred Fung, L. C. Comandar, D. Wang, Andreas Poppe, Momtchil Peev · 2019
We report on the Madrid Quantum Network, designed to demonstrate that a telecommunications network can also host quantum communications in a unified, logical and physical infrastructure. Using new Quantum Key Distribution systems paired with modern networking paradigms, we demonstrate a high technology readiness level of QKD installing the network in production facilities and running relevant use cases.