Self-Referenced Continuous-Variable Quantum Key Distribution Protocol [PDF]
Physical Review X, 2015 We introduce a new continuous-variable quantum key distribution (CV-QKD) protocol, self-referenced CV-QKD, that eliminates the need for transmission of a high-power local oscillator between the communicating parties.
Daniel B. S. Soh +6 more
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Practical continuous-variable quantum key distribution with composable security [PDF]
Nature Communications, 2022 Continuous-variable QKD protocols are usually easier to implement than discrete-variables ones, but their security analyses are less developed. Here, the authors propose and demonstrate in the lab a CVQKD protocol that can generate composable keys secure
Nitin Jain +12 more
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Passive Continuous Variable Quantum Key Distribution through the Oceanic Turbulence [PDF]
Entropy, 2023 Continuous variable quantum key distribution (CVQKD) can be potentially implemented through seawater channels, whereas the involved oceanic turbulence has a negative effect on the maximal transmission distance of quantum communication systems.
Yiwu Zhu, Lei Mao, Hui Hu, Yijun Wang
doaj +2 more sources
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
doaj +5 more sources
Hacking continuous-variable quantum key distribution using the photorefractive effect on proton-exchanged/annealed-proton-exchanged waveguide [PDF]
Scientific ReportsLithium niobate materials, which have the potential to fabricate lasers, modulation devices, and photodetectors, are widely used in quantum information processing due to their exceptional optical and electro-optical properties.
Ningyi Mao +5 more
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Mapping Guaranteed Positive Secret Key Rates for Continuous Variable Quantum Key Distribution [PDF]
EntropyThe standard way to measure the performance of existing continuous variable quantum key distribution (CVQKD) protocols is by using the achievable secret key rate (SKR) with respect to one parameter while keeping all other parameters constant.
Mikhael T. Sayat +6 more
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Noiseless Linear Amplifiers in Entanglement-Based Continuous-Variable Quantum Key Distribution
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
doaj +4 more sources
A novel error correction protocol for continuous variable quantum key distribution [PDF]
Scientific Reports, 2021 Reconciliation is a key element of continuous-variable quantum key distribution (CV-QKD) protocols, affecting both the complexity and performance of the entire system.
Kadir Gümüş +6 more
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An Improved Slice Reconciliation Protocol for Continuous-Variable Quantum Key Distribution [PDF]
Entropy, 2021 Reconciliation is an essential procedure for continuous-variable quantum key distribution (CV-QKD). As the most commonly used reconciliation protocol in short-distance CV-QKD, the slice error correction (SEC) allows a system to distill more than 1 bit ...
Xuan Wen +4 more
doaj +2 more sources
Unidimensional Two-Way Continuous-Variable Quantum Key Distribution Using Coherent States [PDF]
Entropy, 2021 We propose a unidimensional two-way continuous-variable quantum key distribution protocol with coherent states, where the sender modulates a single quadrature of the coherent states rather than both quadratures to simplify the structure of a two-way ...
Yiming Bian, Luyu Huang, Yichen Zhang
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