Results 61 to 70 of about 460,882 (215)

Quantum Key Distribution in the Holevo Limit [PDF]

open access: yesPhysical Review Letters, 2000
A theorem by Shannon and the Holevo theorem impose that the efficiency of any protocol for quantum key distribution, $\cal E$, defined as the number of secret (i.e., allowing eavesdropping detection) bits per transmitted bit plus qubit, is ${\cal E} \le 1$. The problem addressed here is whether the limit ${\cal E} =1$ can be achieved. It is showed that
openaire   +5 more sources

Asymmetric twin-field quantum key distribution

open access: yesNew Journal of Physics, 2019
Twin-Field (TF) quantum key distribution (QKD) is a major candidate to be the new benchmark for far-distance QKD implementations, since its secret key rate can overcome the repeaterless bound by means of a simple interferometric measurement.
Federico Grasselli   +2 more
doaj   +1 more source

Quantum Key Distribution in Kubernetes Clusters

open access: yesFuture Internet, 2022
Quantum Key Distribution (QKD) represents a reasonable countermeasure to the advent of Quantum Computing and its impact on current public-key cryptography.
Ignazio Pedone, Antonio Lioy
doaj   +1 more source

Synchronization in Quantum Key Distribution Systems [PDF]

open access: yesCryptography, 2017
In the description of quantum key distribution systems, much attention is paid to the operation of quantum cryptography protocols. The main problem is the insufficient study of the synchronization process of quantum key distribution systems. This paper contains a general description of quantum cryptography principles. A two-line fiber-optic quantum key
Anton Pljonkin   +2 more
openaire   +4 more sources

Key-Recycling Strategies in Quantum-Key-Distribution Networks

open access: yesApplied Sciences, 2020
Quantum-key-distribution (QKD) networks can provide absolutely secure keys for the entire communication system in theory. At present, the key-distribution rate is relatively low, and the key-distribution rate decreases exponentially as the distribution ...
Xinying Li   +4 more
doaj   +1 more source

Device-independent quantum key distribution with random key basis

open access: yesNature Communications, 2021
Device-independent quantum key distribution aims at the ultimate quantum-based unconditional security, but current protocols’ rates are quite far from anything practical.
René Schwonnek   +6 more
doaj   +1 more source

Key Reconciliation for High Performance Quantum Key Distribution [PDF]

open access: yesScientific Reports, 2013
Quantum Key Distribution is carving its place among the tools used to secure communications. While a difficult technology, it enjoys benefits that set it apart from the rest, the most prominent is its provable security based on the laws of physics. QKD requires not only the mastering of signals at the quantum level, but also a classical processing to ...
Martínez Mateo, Jesús   +2 more
openaire   +4 more sources

NuQKD: A Modular Quantum Key Distribution Simulation Framework for Engineering Applications

open access: yesAdvanced Physics Research
An experimental Quantum Key Distribution (QKD) implementation requires advanced costly hardware, unavailable in most research environments, making protocol testing and performance evaluation complicated.
Konstantinos Gkouliaras   +3 more
doaj   +1 more source

Quantum Key Distribution Over Double-Layer Quantum Satellite Networks

open access: yesIEEE Access, 2020
Quantum key distribution (QKD) has attracted much attention on secure communications across global networks. QKD over satellite networks can overcome the limitations of terrestrial optical networks, such as large attenuation over long distance fiber ...
Donghai Huang   +6 more
doaj   +1 more source

Megabits secure key rate quantum key distribution

open access: yes, 2008
Quantum cryptography (QC) can provide unconditional secure communication between two authorized parties based on the basic principles of quantum mechanics.
Asobe, M.   +12 more
core   +1 more source

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