Finite-size security of continuous-variable quantum key distribution with digital signal processing
T Matsuura, K Maeda, T Sasaki, M Koashi - Nature communications, 2021 - nature.com
In comparison to conventional discrete-variable (DV) quantum key distribution (QKD),
continuous-variable (CV) QKD with homodyne/heterodyne measurements has distinct …
continuous-variable (CV) QKD with homodyne/heterodyne measurements has distinct …
High-dimensional measurement-device-independent quantum key distribution on two-dimensional subspaces
Quantum key distribution (QKD) provides ultimate cryptographic security based on the laws
of quantum mechanics. For point-to-point QKD protocols, the security of the generated key is …
of quantum mechanics. For point-to-point QKD protocols, the security of the generated key is …
Continuous-variable quantum key distribution with 1 Mbps secure key rate
D Huang, D Lin, C Wang, W Liu, S Fang, J Peng… - Optics express, 2015 - opg.optica.org
We report the first continuous-variable quantum key distribution (CVQKD) experiment to
enable the creation of 1 Mbps secure key rate over 25 km standard telecom fiber in a coarse …
enable the creation of 1 Mbps secure key rate over 25 km standard telecom fiber in a coarse …
[HTML][HTML] Experimental measurement-device-independent type quantum key distribution with flawed and correlated sources
The security of quantum key distribution (QKD) is severely threatened by discrepancies
between realistic devices and theoretical assumptions. Recently, a significant framework …
between realistic devices and theoretical assumptions. Recently, a significant framework …
Generating the local oscillator “locally” in continuous-variable quantum key distribution based on coherent detection
Continuous-variable quantum key distribution (CV-QKD) protocols based on coherent
detection have been studied extensively in both theory and experiment. In all the existing …
detection have been studied extensively in both theory and experiment. In all the existing …
Quantum key distribution with setting-choice-independently correlated light sources
Despite the enormous theoretical and experimental progress made so far in quantum key
distribution (QKD), the security of most existing practical QKD systems is not rigorously …
distribution (QKD), the security of most existing practical QKD systems is not rigorously …
High-speed continuous-variable quantum key distribution without sending a local oscillator
We report a 100-MHz continuous-variable quantum key distribution (CV-QKD) experiment
over a 25-km fiber channel without sending a local oscillator (LO). We use a “locally” …
over a 25-km fiber channel without sending a local oscillator (LO). We use a “locally” …
Long-distance quantum key distribution secure against coherent attacks
Quantum key distribution (QKD) permits information-theoretically secure transmission of
digital encryption keys, assuming that the behavior of the devices employed for the key …
digital encryption keys, assuming that the behavior of the devices employed for the key …
Quantum key distribution with an efficient countermeasure against correlated intensity fluctuations in optical pulses
K Yoshino, M Fujiwara, K Nakata, T Sumiya… - npj Quantum …, 2018 - nature.com
Quantum key distribution (QKD) allows two distant parties to share secret keys with the
proven security even in the presence of an eavesdropper with unbounded computational …
proven security even in the presence of an eavesdropper with unbounded computational …
Continuous‐variable quantum key distribution with Gaussian modulation—the theory of practical implementations
F Laudenbach, C Pacher, CHF Fung… - Advanced Quantum …, 2018 - Wiley Online Library
Quantum key distribution (QKD) using weak coherent states and homodyne detection is a
promising candidate for practical quantum‐cryptographic implementations due to its …
promising candidate for practical quantum‐cryptographic implementations due to its …