Theoretical development of discrete-modulated continuous-variable quantum key distribution
Frontiers in Quantum Science and Technology, 2022 Continuous-variable quantum key distribution offers simple, stable and easy-to-implement key distribution systems. The discrete modulation scheme further reduces the technical difficulty.
Wen-Bo Liu +5 more
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Multidimensional reconciliation for continuous-variable quantum key distribution [PDF]
, 2008 We propose a method for extracting an errorless secret key in a continuous-variable quantum key distribution protocol, which is based on Gaussian modulation of coherent states and homodyne detection.
A. D. Wyner +9 more
core +7 more sources
Hybrid Continuous-discrete Variable Quantum Key Distribution
Guangtongxin yanjiu, 2023 As one of the main applications of quantum cryptography, Quantum Key Distribution (QKD) is a promising secure key transmission method. Compared with traditional communication methods, QKD protocols based on the basic principles of quantum mechanics have ...
JIN An-ran, LI He
doaj
Low-Dimensional Reconciliation for Continuous-Variable Quantum Key Distribution
Applied Sciences, 2018 We propose an efficient logical layer-based reconciliation method for continuous-variable quantum key distribution (CVQKD) to extract binary information from correlated Gaussian variables. We demonstrate that by operating on the raw-data level, the noise
Laszlo Gyongyosi, Sandor Imre
doaj +1 more source
Free space continuous variable Quantum Key Distribution with discrete phases
Physics Open, 2023 Quantum Key Distribution (QKD) offers unconditional security in principle. Many QKD protocols have been proposed and demonstrated to ensure secure communication between two authenticated users.
Anju Rani +8 more
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Continuous-Variable Quantum Key Distribution Over Air Quantum Channel With Phase Shift
IEEE Access, 2020 Continuous-variable quantum key distribution (CV-QKD) over air quantum channel enables to provide unconditional information security, which is the one of most promising techniques for information wireless transfer. Since the air channel is of fluctuation
Ming Li, Tianyi Wang
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Continuous-variable quantum key distribution protocols over noisy channels [PDF]
, 2008 A continuous-variable quantum key distribution protocol based on squeezed states and heterodyne detection is introduced and shown to attain higher secret key rates over a noisy line than any other one-way Gaussian protocol.
Cerf, Nicolas J., Garcia-Patron, Raul
core +2 more sources
Atmospheric effects on continuous-variable quantum key distribution
New Journal of Physics, 2018 Compared to fiber continuous-variable quantum key distribution (CVQKD), atmospheric link offers the possibility of a broader geographical coverage and more flexible transmission.
Shiyu Wang +3 more
doaj +1 more source
Quantum Forbidden-Interval Theorems for Stochastic Resonance [PDF]
, 2008 We extend the classical forbidden-interval theorems for a stochastic-resonance noise benefit in a nonlinear system to a quantum-optical communication model and a continuous-variable quantum key distribution model.
Bart Kosko +13 more
core +3 more sources
Security of discrete-modulated continuous-variable quantum key distribution [PDF]
QuantumContinuous variable quantum key distribution with discrete modulation has the potential to provide information-theoretic security using widely available optical elements and existing telecom infrastructure.
Stefan Bäuml +4 more
doaj +1 more source