Security of Coherent-State Quantum Key Distribution Using Displacement Receiver

M Zhao, R Yuan, C Feng, S Han… - IEEE Journal on …, 2024 - ieeexplore.ieee.org
Continuous variable quantum key distribution (CV-QKD) protocol has drawn much attention
due to its compatibility with existing optical communication systems. In this paper, we …

Impact of homodyne receiver bandwidth and signal modulation patterns on the continuous-variable quantum key distribution

J Liu, Y Cao, P Wang, S Liu, Z Lu, X Wang, Y Li - Optics Express, 2022 - opg.optica.org
In continuous-variable quantum key distribution (CV-QKD), the key information are encoded
on quadratures of the optical field, which are measured via balanced homodyne detector …

Discrete-modulated continuous-variable quantum key distribution with a machine-learning-based detector

J Li, Y Guo, X Wang, C Xie, L Zhang… - Optical …, 2018 - spiedigitallibrary.org
The discrete-modulated continuous-variable quantum key distribution (DM-CV-QKD) could
break the distance limitation of Gaussian-modulated CV-QKD. In practice, the high …

Multi-rate and multi-protocol continuous-variable quantum key distribution

T Wang, Y Xu, H Zhao, L Li, P Huang, G Zeng - Optics Letters, 2023 - opg.optica.org
Quantum key distribution (QKD) is an effective solution to ensure the secure transmission of
information. However, for the large-scale application of QKD, the interoperability and …

Coherent Detection of Discrete Variable Quantum Key Distribution using Homodyne Technique

A Jamal, M Kamran, T Malik, MM Khan - arXiv preprint arXiv:2402.13095, 2024 - arxiv.org
In Discrete Variable Quantum Key Distribution (DV-QKD), homodyne detection method is
frequently employed for its simplicity in use, effectiveness in terms of error correction, and …

Pre-calibration and compensation of quadrature components in continuous-variable quantum key distribution

J Xiang, T Wang, L Li, Y Xu, P Huang… - Quantum Information …, 2022 - Springer
Quantum key distribution (QKD) can guarantee the security of key distribution through the
basic principles of quantum mechanics. The theoretical security proof framework of …

Continuous variable quantum key distribution with multi-mode signals for noisy detectors

R Kumar, X Tang, A Wonfor, R Penty, I White - JOSA B, 2019 - opg.optica.org
This paper proposes a multi-mode Gaussian modulated continuous variable quantum key
distribution (CV-QKD) scheme able to operate at high bandwidth despite using conventional …

Simultaneous measurement-device-independent continuous variable quantum key distribution with realistic detector compensation

XD Wu, YJ Wang, D Huang, Y Guo - Frontiers of Physics, 2020 - Springer
We propose a novel scheme for measurement-device-independent (MDI) continuous-
variable quantum key distribution (CVQKD) by simultaneously conducting classical …

[HTML][HTML] Performance of continuous variable quantum key distribution system at different detector bandwidth

X Tang, R Kumar, S Ren, A Wonfor, RV Penty… - Optics …, 2020 - Elsevier
We evaluate the performance of Gaussian Modulated Coherent State (GMCS) Continuous-
Variable Quantum Key Distribution (CV-QKD), in terms of secure key rate, at different …

[HTML][HTML] Impact of Imbalanced Modulation on Security of Continuous-Variable Measurement-Device-Independent Quantum Key Distribution

W Liu, Z Liu, J Bai, Q Jie, G Zhang, Y Tian, J Jin - Photonics, 2024 - mdpi.com
Continuous variable measurement-device-independent quantum key distribution (CV-MDI-
QKD) removes all known or unknown side-channel attacks on detectors. However, it is …