Simple security proofs for continuous variable quantum key distribution with intensity fluctuating sources [PDF]
npj Quantum Information, 2021 Despite tremendous theoretical and experimental progress in continuous variable (CV) quantum key distribution (QKD), the security has not been rigorously established for most current continuous variable quantum key distribution systems that have ...
Chenyang Li, Li Qian, Hoi-Kwong Lo
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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
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Continuous Variable Quantum Key Distribution with a Noisy Laser [PDF]
Entropy, 2015 Existing experimental implementations of continuous-variable quantum key distribution require shot-noise limited operation, achieved with shot-noise limited lasers.
Christian S. Jacobsen +2 more
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Noiseless Linear Amplifiers in Entanglement-Based Continuous-Variable Quantum Key Distribution [PDF]
Entropy, 2015 We propose a method to improve the performance of two entanglement-based continuous-variable quantum key distribution protocols using noiseless linear amplifiers. The two entanglement-based schemes consist of an entanglement distribution protocol with an
Yichen Zhang +6 more
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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
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Enhancing of Self-Referenced Continuous-Variable Quantum Key Distribution with Virtual Photon Subtraction [PDF]
Entropy, 2018 The scheme of the self-referenced continuous-variable quantum key distribution (SR CV-QKD) has been experimentally demonstrated. However, because of the finite dynamics of Alice’s amplitude modulator, there will be an extra excess noise that is ...
Hai Zhong +5 more
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Parameter Optimization Based BPNN of Atmosphere Continuous-Variable Quantum Key Distribution [PDF]
Entropy, 2019 The goal of continuous variable quantum key distribution (CVQKD) is to be diffusely used and adopted in diverse scenarios, so the adhibition of atmospheric channel will play a crucial part in constituting global secure quantum communications. Atmospheric
Yu Su, Ying Guo, Duan Huang
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Modulation leakage-free continuous-variable quantum key distribution
npj Quantum Information, 2022 Distributing cryptographic keys over public channels in a way that can provide information-theoretic security is the holy grail for secure communication.
Adnan A. E. Hajomer +5 more
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Secure Continuous-Variable Quantum Key Distribution with Machine Learning
Photonics, 2021 Quantum key distribution (QKD) offers information-theoretical security, while real systems are thought not to promise practical security effectively.
Duan Huang, Susu Liu, Ling Zhang
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Rate-Compatible LDPC Codes for Continuous-Variable Quantum Key Distribution in Wide Range of SNRs Regime. [PDF]
Entropy (Basel), 2022 Long block length rate-compatible low-density parity-compatible (LDPC) codes are designed to solve the problems of great variation of quantum channel noise and extremely low signal-to-noise ratio in continuous-variable quantum key distribution (CV-QKD ...
Fan X, Niu Q, Zhao T, Guo B.
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