The evolution of quantum key distribution networks: On the road to the qinternet

Y Cao, Y Zhao, Q Wang, J Zhang… - … Surveys & Tutorials, 2022 - ieeexplore.ieee.org
Quantum key distribution (QKD) constitutes a symmetric secret key negotiation protocol
capable of maintaining information-theoretic security. Given the recent advances in QKD …

Advances in quantum cryptography

S Pirandola, UL Andersen, L Banchi… - Advances in optics …, 2020 - opg.optica.org
Quantum cryptography is arguably the fastest growing area in quantum information science.
Novel theoretical protocols are designed on a regular basis, security proofs are constantly …

Secure quantum key distribution with realistic devices

F Xu, X Ma, Q Zhang, HK Lo, JW Pan - Reviews of modern physics, 2020 - APS
In principle, quantum key distribution (QKD) offers information-theoretic security based on
the laws of physics. In practice, however, the imperfections of realistic devices might …

Overcoming the rate–distance limit of quantum key distribution without quantum repeaters

M Lucamarini, ZL Yuan, JF Dynes, AJ Shields - Nature, 2018 - nature.com
Quantum key distribution (QKD), allows two distant parties to share encryption keys with
security based on physical laws. Experimentally, QKD has been implemented via optical …

Long-distance continuous-variable quantum key distribution over 202.81 km of fiber

Y Zhang, Z Chen, S Pirandola, X Wang, C Zhou, B Chu… - Physical review …, 2020 - APS
Quantum key distribution provides secure keys resistant to code-breaking quantum
computers. The continuous-variable version of quantum key distribution offers the …

Practical challenges in quantum key distribution

E Diamanti, HK Lo, B Qi, Z Yuan - npj Quantum Information, 2016 - nature.com
Quantum key distribution (QKD) promises unconditional security in data communication and
is currently being deployed in commercial applications. Nonetheless, before QKD can be …

Long-distance continuous-variable quantum key distribution by controlling excess noise

D Huang, P Huang, D Lin, G Zeng - Scientific reports, 2016 - nature.com
Quantum cryptography founded on the laws of physics could revolutionize the way in which
communication information is protected. Significant progresses in long-distance quantum …

Large scale quantum key distribution: challenges and solutions

Q Zhang, F Xu, YA Chen, CZ Peng, JW Pan - Optics express, 2018 - opg.optica.org
Quantum key distribution (QKD) together with one time pad encoding can provide
information-theoretical security for communication. Currently, though QKD has been widely …

Integrating quantum key distribution with classical communications in backbone fiber network

Y Mao, BX Wang, C Zhao, G Wang, R Wang… - Optics express, 2018 - opg.optica.org
Quantum key distribution (QKD) provides information-theoretic security based on the laws of
quantum mechanics. The desire to reduce costs and increase robustness in real-world …

High-speed continuous-variable quantum key distribution without sending a local oscillator

D Huang, P Huang, D Lin, C Wang, G Zeng - Optics letters, 2015 - opg.optica.org
We report a 100-MHz continuous-variable quantum key distribution (CV-QKD) experiment
over a 25-km fiber channel without sending a local oscillator (LO). We use a “locally” …