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Airborne demonstration of a quantum key distribution receiver payload
Christopher J. Pugh, Sarah Kaiser, Jean-Philippe Bourgoin +8
Satellite-based quantum terminals are a feasible way to extend the reach of quantum communication protocols such as quantum key distribution (QKD) to the global scale. To that end,…
Secure detection in quantum key distribution by real-time calibration of receiver
Øystein Marøy, Vadim Makarov, Johannes Skaar
The single photon detection efficiency of the detector unit is crucial for the security of common quantum key distribution protocols like Bennett-Brassard 1984 (BB84). A low value…
Finite-key-size effect in commercial plug-and-play QKD system
Poompong Chaiwongkhot, Shihan Sajeed, Lars Lydersen +1
A security evaluation against the finite-key-size effect was performed for a commercial plug-and-play quantum key distribution (QKD) system. We demonstrate the ability of an eavesd…
Insecurity of detector-device-independent quantum key distribution
Shihan Sajeed, Anqi Huang, Shihai Sun +3
Detector-device-independent quantum key distribution (ddiQKD) held the promise of being robust to detector side-channels, a major security loophole in QKD implementations. In contr…
Testing random-detector-efficiency countermeasure in a commercial system reveals a breakable unrealistic assumption
Anqi Huang, Shihan Sajeed, Poompong Chaiwongkhot +3
In the last decade, efforts have been made to reconcile theoretical security with realistic imperfect implementations of quantum key distribution (QKD). Implementable countermeasur…