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This demonstration proves the viability of deploying polarization-entangled photons across real-world aerial fiber links by using automated compensation to counteract environmental noise. The achievement validates that metropolitan-scale quantum networks and QKD channels can operate reliably over existing unshielded commercial infrastructure without requiring new buried cabling.
NIST, UMD, and Qunnect Demonstrate Quantum Entanglement Over 62 km Metropolitan Aerial Fiber
Researchers from the National Institute of Standards and Technology (NIST), the Joint Quantum Institute (JQI) at the University of Maryland, and quantum networking firm Qunnect have successfully demonstrated long-distance polarization-entangled photon distribution across a live, partially aerial fiber-optic link. Detailed in a peer-reviewed study published in the Journal of Optical Communications and Networking (JOCN, Vol. [...] The post NIST, UMD, and Qunnect Demonstrate Quantum Entanglement Over 62 km Metropolitan Aerial Fiber appeared first on Quantum Computing Report.
Researchers from the National Institute of Standards and Technology (NIST), the Joint Quantum Institute (JQI) at the University of Maryland, and quantum networking firm Qunnect have successfully demonstrated…
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