T-Labs and Qunnect Demonstrate Long-Distance, High-Fidelity Quantum Entanglement Over Commercial Fiber

Deutsche Telekom Innovation Laboratories (T-Labs), in collaboration with Qunnect, has demonstrated stable polarization-entangled photon transmission across 30 kilometers of commercially deployed optical fiber for 17 consecutive days, maintaining 99% fidelity and 99% uptime. The test was conducted on T-Labs’ infrastructure in Berlin, forming part of its quantum research program aimed at validating quantum networking capabilities […]

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