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Mode-pairing quantum key distribution [PDF]

open access: yesNature Communications, 2022
Measurement-device-independent QKD schemes suffer from a trade-off between ease of implementation (avoiding the need for global phase locking) and high rates (quadratic improvement in rate).
Pei Zeng   +3 more
doaj   +4 more sources

Security of Quantum Key Distribution

open access: yesIEEE Access, 2016
The security issues facing quantum key distribution (QKD) are explained, herein focusing on those issues that are cryptographic and information theoretic in nature and not those based on physics. The problem of security criteria is addressed.
Horace P. Yuen
doaj   +5 more sources

Decoy State Quantum Key Distribution [PDF]

open access: greenPhysical Review Letters, 2005
There has been much interest in quantum key distribution. Experimentally, quantum key distribution over 150 km of commercial Telecom fibers has been successfully performed. The crucial issue in quantum key distribution is its security. Unfortunately, all
Hoi‐Kwong Lo, Xiongfeng Ma, Kai Chen
core   +7 more sources

Simple Proof of Security of the BB84 Quantum Key Distribution Protocol [PDF]

open access: greenPhysical Review Letters, 2000
We prove that the 1984 protocol of Bennett and Brassard (BB84) for quantum key distribution is secure. We first give a key distribution protocol based on entanglement purification, which can be proven secure using methods from Lo and Chau's proof of ...
Peter W. Shor, John Preskill
openalex   +3 more sources

Quantum Cryptography: Key Distribution and Beyond

open access: yesQuanta, 2017
Uniquely among the sciences, quantum cryptography has driven both foundational research as well as practical real-life applications. We review the progress of quantum cryptography in the last decade, covering quantum key distribution and other ...
Akshata Shenoy-Hejamadi   +2 more
doaj   +5 more sources

Secure Quantum Key Distribution [PDF]

open access: yesNature Photonics, 2014
Secure communication plays a crucial role in the Internet Age. Quantum mechanics may revolutionise cryptography as we know it today. In this Review Article, we introduce the motivation and the current state of the art of research in quantum cryptography.
Curty, Marcos   +2 more
core   +2 more sources

Quantum Key Distribution [PDF]

open access: yes, 2011
This chapter describes the application of lasers, specifically diode lasers, in the area of quantum key distribution (QKD). First, we motivate the distribution of cryptographic keys based on quantum physical properties of light, give a brief introduction
Chan, Philip   +3 more
core   +5 more sources

Layered Quantum Key Distribution [PDF]

open access: yesPhysical Review A, 2017
We introduce a family of QKD protocols for distributing shared random keys within a network of $n$ users. The advantage of these protocols is that any possible key structure needed within the network, including broadcast keys shared among subsets of ...
Huber, Marcus   +2 more
core   +4 more sources

Chaotic Quantum Key Distribution [PDF]

open access: yesCryptography, 2020
The ability to send information securely is a vital aspect of today’s society, and with the developments in quantum computing, new ways to communicate have to be researched.
Noah Cowper, Harry Shaw, David Thayer
doaj   +2 more sources

Chip-based quantum key distribution [PDF]

open access: yesNature Communications, 2017
Quantum key distribution has not been widely adopted in part due to technical hurdles preventing it being fully integrated in classical communication networks.
P. Sibson   +12 more
doaj   +7 more sources

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