Entanglement-Based Telecom Infrastructure QKD System

The Entanglement-Based Telecom Infrastructure QKD System is a fully developed quantum-communication system for entanglement-based QKD protocols. It includes a highly efficient polarization-entangled photon-pair source with a center wavelength of 1550 nm, two detection modules for high-rate detection, as well as all the supporting equipment and software for integration into the optical-fiber telecommunication infrastructure. Its color-multiplexed operation yields high key rates and the entanglement-based QKD protocol provides outstanding security, not reached by any classical counterpart.

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