Satellite-based continuous-variable quantum communications: State-of-the-art and a predictive outlook

N Hosseinidehaj, Z Babar, R Malaney… - … Surveys & Tutorials, 2018 - ieeexplore.ieee.org
The recent launch of the Micius quantum-enabled satellite heralds a major step forward for
long-range quantum communication. Using single-photon discrete-variable quantum states …

An integrated silicon photonic chip platform for continuous-variable quantum key distribution

G Zhang, JY Haw, H Cai, F Xu, SM Assad… - Nature …, 2019 - nature.com
Quantum key distribution (QKD) is a quantum communication technology that promises
unconditional communication security. High-performance and cost-effective QKD systems …

Multicarrier multiplexing continuous-variable quantum key distribution at terahertz bands under indoor environment and in inter-satellite links communication

C Liu, C Zhu, X Liu, M Nie, H Yang… - IEEE Photonics …, 2021 - ieeexplore.ieee.org
We propose a continuous-variable quantum key distribution (CVQKD) scheme at terahertz
(THz) bands based on multicarrier multiplexing (MCM) technology. In this scheme, multiple …

Rate-adaptive reconciliation with polar coding for continuous-variable quantum key distribution

M Zhang, H Hai, Y Feng, XQ Jiang - Quantum Information Processing, 2021 - Springer
Quantum key distribution (QKD) enables two authenticated parties to share secret keys with
the ability to detect any attempts to eavesdrop the keys theoretically. As a crucial step …

High speed error correction for continuous-variable quantum key distribution with multi-edge type LDPC code

X Wang, Y Zhang, S Yu, H Guo - Scientific reports, 2018 - nature.com
Error correction is a significant step in postprocessing of continuous-variable quantum key
distribution system, which is used to make two distant legitimate parties share identical …

Evaluation of adaptive reconciliation protocols for CV-QKD using systematic polar codes

M Zhang, Q Wang, T Son, S Kim - Quantum Information Processing, 2024 - Springer
Quantum key distribution is a secure cryptographic technology that enables two
authenticated parties to share secret keys. Information reconciliation is an essential step in …

Feasibility of all-day quantum communication with coherent detection

S Wang, P Huang, T Wang, G Zeng - Physical Review Applied, 2019 - APS
To construct global quantum communication networks, reliable free-space quantum key
distribution is essential, but there has appeared a bottleneck severely hindering practical …

High-throughput decoder of quasi-cyclic LDPC codes with limited precision for continuous-variable quantum key distribution systems

C Zhou, Y Li, L Ma, J Yang, W Huang, H Wang… - arxiv preprint arxiv …, 2022 - arxiv.org
More than Mbps secret key rate was demonstrated for continuous-variable quantum key
distribution (CV-QKD) systems, but real-time postprocessing is not allowed, which is …

A novel error correction protocol for continuous variable quantum key distribution

K Gümüş, TA Eriksson, M Takeoka, M Fujiwara… - Scientific reports, 2021 - nature.com
Reconciliation is a key element of continuous-variable quantum key distribution (CV-QKD)
protocols, affecting both the complexity and performance of the entire system. During the …

High-speed reconciliation for CVQKD based on spatially coupled LDPC codes

XQ Jiang, S Yang, P Huang, G Zeng - IEEE Photonics Journal, 2018 - ieeexplore.ieee.org
The speed of continuous variable quantum key distribution is limited by the reconciliation
efficiency and the reconciliation frame error rate (FER) in the reconciliation phase. In this …