aiqbench takeQuantum Comms

This field trial validates a practical architecture for long-distance quantum networks by combining adaptive optics with room-temperature detectors to overcome atmospheric turbulence over an 18-km free-space link. The achievement demonstrates that high-order wavefront correction can efficiently couple free-space signals into standard telecom fibers, enabling direct multiplexing without untrusted intermediate measurements. This progress moves quantum key distribution closer to real-world deployment by reducing reliance on cryogenic cooling for the detection stage while maintaining secure key generation rates.

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University of Padova and ThinkQuantum Demonstrate 18-km Intermodal Free-Space QKD with Room-Temperature Detectors

Quantum Computing ReportAugust 27, 20262 min read

Researchers from the University of Padova, Italian photonics firm ThinkQuantum s.r.l., and the National Research Council of Italy (CNR-IFN) have published a real-time field trial of an intermodal quantum key distribution (QKD) system in npj Quantum Information. The experiment connected a remote optical transmitter on Monte Grande to an urban Optical Ground Station (OGS) at [...] The post University of Padova and ThinkQuantum Demonstrate 18-km Intermodal Free-Space QKD with Room-Temperature Detectors appeared first on Quantum Computing Report.

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