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 …

[HTML][HTML] Invited review article: Single-photon sources and detectors

MD Eisaman, J Fan, A Migdall… - Review of scientific …, 2011 - pubs.aip.org
We review the current status of single-photon-source and single-photon-detector
technologies operating at wavelengths from the ultraviolet to the infrared. We discuss …

Enhancing quantum cryptography with quantum dot single-photon sources

M Bozzio, M Vyvlecka, M Cosacchi, C Nawrath… - npj Quantum …, 2022 - nature.com
Quantum cryptography harnesses quantum light, in particular single photons, to provide
security guarantees that cannot be reached by classical means. For each cryptographic task …

The evolution of quantum secure direct communication: on the road to the qinternet

D Pan, GL Long, L Yin, YB Sheng… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
Communication security has to evolve to a higher plane in the face of the threat from the
massive computing power of the emerging quantum computers. Quantum secure direct …

[HTML][HTML] Continuous-variable quantum key distribution system: Past, present, and future

Y Zhang, Y Bian, Z Li, S Yu, H Guo - Applied Physics Reviews, 2024 - pubs.aip.org
Quantum key distribution provides secure keys with information-theoretic security ensured
by the principle of quantum mechanics. The continuous-variable version of quantum key …

Three-intensity decoy-state method for device-independent quantum key distribution with basis-dependent errors

XB Wang - Physical Review A—Atomic, Molecular, and Optical …, 2013 - APS
We study the measurement-device-independent quantum key distribution (MDIQKD) in
practice with limited resources when there are only three different states in implementing the …

A review of security evaluation of practical quantum key distribution system

S Sun, A Huang - Entropy, 2022 - mdpi.com
Although the unconditional security of quantum key distribution (QKD) has been widely
studied, the imperfections of the practical devices leave potential loopholes for Eve to spy …

Decoy-state quantum key distribution with polarized photons over 200 km

Y Liu, TY Chen, J Wang, WQ Cai, X Wan, LK Chen… - Optics express, 2010 - opg.optica.org
We report an implementation of decoy-state quantum key distribution (QKD) over 200 km
optical fiber cable through photon polarization encoding. This is achieved by constructing …

Higher key rate of measurement-device-independent quantum key distribution through joint data processing

C Jiang, ZW Yu, XL Hu, XB Wang - Physical Review A, 2021 - APS
We propose a method named as double-scanning method to improve the key rate of
measurement-device-independent quantum key distribution (MDI-QKD) drastically. In the …

Sending-or-not-sending twin-field quantum key distribution: Breaking the direct transmission key rate

H Xu, ZW Yu, C Jiang, XL Hu, XB Wang - Physical Review A, 2020 - APS
We present improved results of sending-or-not-sending twin-field quantum key distribution
by using error rejection through two-way classical communications. Our error rejection …