The Evolution of Quantum Key Distribution Networks: On the Road to the Qinternet
Nanjing University of Posts and Telecommunications · Beijing University of Posts and Telecommunications · +1 more institution
Abstract
Quantum key distribution (QKD) constitutes a symmetric secret key negotiation protocol capable of maintaining information-theoretic security. Given the recent advances in QKD networks, they have evolved from academic research to some preliminary applications. A QKD network consists of two or more QKD nodes interconnected by optical fiber or free space links. The secret keys are negotiated between any pair of QKD nodes, and then they can be delivered to multiple users in various areas for ensuring long-term protection and forward secrecy. We commence by introducing the QKD basics, followed by reviewing the development of QKD networks and their implementation in practice. Subsequently, we describe the general…
Citation impact
- FWCI
- 55.08
- Percentile
- 100%
- References
- 597
Authors
6Topics & keywords
- Quantum key distribution
- Computer science
- Key (lock)
- Secrecy
- Computer network
- Protocol (science)
- Physical layer
- Computer security
Funding
- CAChina Association for Science and Technology
- NNNational Natural Science Foundation of ChinaAward: 62150032
- NUNanjing University of Posts and TelecommunicationsAward: NY221114
- SKState Key Laboratory of Advanced Optical Communication Systems and NetworksAward: 2022GZKF006
- EAEngineering and Physical Sciences Research CouncilAwards: EP/L010550/1, EP/W016605/1, EP/P003990/1 (COALESCE), EP/P034284/1, EP/P003990/1, EP/J015520/1, EP/L018659/1, EP/N004558/1, EP/J016640/1, EP/J016748/1, EP/P034284/1, EP/D056691/1, EP/L018659/1, EP/G05178X/1
- NKNational Key Research and Development Program of ChinaAward: 2020YFE0200600