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Machine Learning for Optimal Parameter Prediction in Quantum Key Distribution
Wenyuan Wang, Hoi-Kwong Lo
For a practical quantum key distribution (QKD) system, parameter optimization - the choice of intensities and probabilities of sending them - is a crucial step in gaining optimal p…
Entropic uncertainty relations and the measurement range problem, with consequences for high-dimensional quantum key distribution
J. Eli Bourassa, Hoi-Kwong Lo
The measurement range problem, where one cannot determine the data outside the range of the detector, limits the characterization of entanglement in high-dimensional quantum system…
Simple security proof of twin-field type quantum key distribution protocol
Marcos Curty, Koji Azuma, Hoi-Kwong Lo
Twin-field (TF) quantum key distribution (QKD) was conjectured to beat the private capacity of a point-to-point QKD link by using single-photon interference in a central measuring…
Secure quantum communication in the presence of phase and polarization dependent loss
Chenyang Li, Marcos Curty, Feihu Xu +2
Silicon photonics holds the promise of the miniaturization of quantum communication devices. Recently, silicon chip optical transmitters for quantum key distribution (QKD) have bee…
Information theoretic security of quantum key distribution overcoming the repeaterless secret key capacity bound
Kiyoshi Tamaki, Hoi-Kwong Lo, Wenyuan Wang +1
Quantum key distribution is a way to distribute secret keys to distant users with information theoretic security and key rates suitable for real-world applications. Its rate-distan…
Quantum key distribution with setting-choice-independently correlated light sources
Akihiro Mizutani, Go Kato, Koji Azuma +6
Despite the enormous theoretical and experimental progress made so far in quantum key distribution (QKD), the security of most existing QKD implementations is not rigorously establ…