Results 61 to 70 of about 8,299 (155)
Efficiency in Quantum Key Distribution Protocols with Entangled Gaussian States [PDF]
, 2006 Quantum key distribution (QKD) refers to specific quantum strategies which permit the secure distribution of a secret key between two parties that wish to communicate secretly. Quantum cryptography has proven unconditionally secure in ideal scenarios and
A. Sanpera +5 more
core +4 more sources
Free-space continuous-variable quantum key distribution under high background noise
npj Quantum InformationOne of the difficulties in the application of quantum communication is the fragility of its encoded quantum states. Conventional quantum key distribution (QKD) requires strict filtering operations at the receiver.
Xue-Tao Zheng +4 more
doaj +1 more source
IEEE Photonics Journal, 2021 Continuous-variable quantum key distribution (CV-QKD) with a real local oscillator (LO) experiences a phase attack security challenge due to the reference pulses transmitted along with quantum signals over an unsecure quantum channel.
Khaled Alaghbari +4 more
doaj +1 more source
Hybrid Encoder for Discrete and Continuous Variable QKD
Advanced Quantum Technologies, EarlyView.This work demonstrates a hybrid QKD encoder that bridges the advantages of discrete and continuous variables. Utilizing a self‐compensating iPOGNAC design, the encoder is compatible with space‐based and terrestrial quantum networks. The approach simplifies system complexity, improves stability, and ensures cost‐effective integration, paving the way for
Mattia Sabatini +4 more
wiley +1 more source
Practical challenges in quantum key distribution
, 2016 Quantum key distribution (QKD) promises unconditional security in data communication and is currently being deployed in commercial applications. Nonetheless, before QKD can be widely adopted, it faces a number of important challenges such as secret key ...
Diamanti, Eleni +3 more
core +1 more source
International Journal of Satellite Communications and Networking, Volume 43, Issue 3, Page 164-192, May/June 2025.ABSTRACT Quantum key distribution (QKD) allows the generation of cryptographic keys beyond the computational hardness paradigm and is befitting for secure data transmission requiring long‐term security. The communication distance of fiber‐based QKD, however, is limited to a few hundred kilometers due to the exponential scaling of signal attenuation ...
Davide Orsucci +7 more
wiley +1 more source
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
doaj +1 more source
IEEE Access, 2023 Quantum key distribution (QKD) is a technique for distributing symmetric encryption keys securely using quantum physics. The rate of key distribution is low and decreases exponentially with increasing distance.
Omar Shirko, Shavan Askar
doaj +1 more source
Laser Terminals on CubeSats: Developments for Telecommunications and Quantum Links
International Journal of Satellite Communications and Networking, Volume 43, Issue 3, Page 133-146, May/June 2025.ABSTRACT Satellite‐based laser communication is an emerging technology that is finding its way from research to industry. Compared to radio frequency (RF) systems, it has a more efficient size, weight, and power budget and, furthermore, is license free.
Christian Roubal +8 more
wiley +1 more source
Experimental Decoy Quantum Key Distribution Up To 130KM Fiber
, 2007 Decoy State Quantum Key Distribution (QKD), being capable of beating PNS attack and uncon- ditionally secure, have become an attractive one recently.
Bennett C H +9 more
core +1 more source