Results 91 to 100 of about 3,829 (210)

Design of Synchronous “Plug & Play” QKD-WDM-PON for Efficient Quantum Communications [PDF]

, 2011
We propose a new design of quantum key distribution (QKD) - WDM-PON with "plug & play" scheme and synchronization. Simulations show that the design can improve the quantum key generation rate 3-4 times over conventional ...
Roetteler, Martin, Wang, Ting, Zhao, Yi, Xu, Lei   +3 more
core  

High-dimensional quantum key distribution based on multicore fiber using silicon photonic integrated circuits

npj Quantum Information, 2017
Silicon chip-to-chip high-dimensional quantum key distribution Quantum key distribution (QKD) enables ultimate secure communication guaranteed by quantum mechanics. Most of QKD systems are based on binary encoding utilizing bulky, discrete, and expensive
Yunhong Ding, Davide Bacco, Kjeld Dalgaard, Xinlun Cai, Xiaoqi Zhou, Karsten Rottwitt, Leif Katsuo Oxenløwe   +6 more
doaj   +1 more source

Design of Synchronous "Plug & Play" QKD-WDM-PON for Efficient Quantum Communications

, 2020
: We propose a new design of quantum key distribution (QKD) -WDM-PON with "plug & play" scheme and synchronization. Simulations show that the design can improve the quantum key generation rate 3 -4 times over conventional ...
Lei Xu, Yi Zhao, Ting Wang, Martin Roetteler   +3 more
core  

QKD routing algorithm based on secret sharing

, 2020
We develop a routing protocol for a quantum key distribution (QKD) network of arbitrary topology. An important feature of the developed protocol is the support of the secret sharing-based approach which allows obtaining secure keys between two users ...
E.O. Kiktenko, A.K. Fedorov, A. Ostrovskiy   +2 more
core   +1 more source

High key rate continuous-variable quantum key distribution using telecom optical components

New Journal of Physics
Quantum key distribution (QKD) is one quantum technology that can provide secure encryption keys for data transmission. The secret key rate (SKR) is a core performance indicator in QKD, which directly determines the transmission rate of enciphered data ...
Tao Wang, Peng Huang, Lang Li, Yingming Zhou, Guihua Zeng   +4 more
doaj   +1 more source

Advancing quantum communication security: Metamaterial based quantum key distribution with enhanced protocols

IET Quantum Communication
Quantum Key Distribution (QKD) is increasingly pivotal in securing communication channels against the looming threats posed by quantum computing. However, existing QKD protocols encounter challenges related to efficiency and transmission capabilities. In
Sujit Biswas, Rajat S. Goswami, K. Hemant Kumar Reddy, Sachi Nandan Mohanty, Mohammed Altaf Ahmed   +4 more
doaj   +1 more source

Challenges and Solutions for Secure Key Management and Monitoring: Review of the Cerberis3 Quantum Key Distribution System

Quantum Reports
Quantum Key Distribution (QKD) offers a revolutionary approach to secure communication, leveraging the principles of quantum mechanics to generate and distribute cryptographic keys that are immune to eavesdropping.
Ints Meijers
doaj   +1 more source

Feasibility and parameter optimization of ground-to-satellite uplink continuous-variable quantum key distribution

New Journal of Physics
Driven by the necessitates of wide-area quantum secure communication networks, ground-to-satellite quantum key distribution (QKD) has been highlighted in the field of quantum information.
Jin Cheng, Yujie Chen, Ao Liu, Xin Sun, Junjie Guo, Bohan Yang, Peng Yin, Wenbo Liu, Lanjian Chen, Chen Dong   +9 more
doaj   +1 more source

feasibility of double-click attack on a passive detection quantum key distribution system

, 2011
An eavesdropper ( Eve) can exploit all the imperfections of a practical quantum key distribution (QKD) system to obtain some information about the secret key, no matter whether these imperfections are from the physical layer or from the post-processing ...
Zhang Peng, Chao Li, Peng Zhang, Li Chao
core   +1 more source

Quantum Erasure Cryptography

, 2016
The phenomenon of quantum erasure has long intrigued physicists, but has surprisingly found limited practical application. Here, we propose a protocol for quantum key distribution (QKD) based on quantum erasure, promising inherent security against ...
Hatim Salih, Hatim eSalih
core   +1 more source