Free-space quantum key distribution during daylight and at night

WQ Cai, Y Li, B Li, JG Ren, SK Liao, Y Cao, L Zhang… - Optica, 2024 - opg.optica.org
Current satellite-based quantum key distribution (QKD) is limited to nighttime operations,
and the reliance on microwave communication for key distillation leads to significant delays …

Finite-resource performance of small-satellite-based quantum-key-distribution missions

T Islam, JS Sidhu, BL Higgins, T Brougham… - PRX Quantum, 2024 - APS
In satellite-based quantum-key-distribution (QKD), the number of secret bits that can be
generated in a single satellite pass over the ground station is severely restricted by the pass …

Eurasian-scale experimental satellite-based quantum key distribution with detector efficiency mismatch analysis

A Khmelev, A Duplinsky, R Bakhshaliev, E Ivchenko… - Optics …, 2024 - opg.optica.org
The Micius satellite is the pioneering initiative to demonstrate quantum teleportation,
entanglement distribution, quantum key distribution (QKD), and quantum-secured …

Optical Ground Station Diversity for Satellite Quantum Key Distribution in Ireland

NL Anipeddi, J Horgan, DKL Oi, D Kilbane - arXiv preprint arXiv …, 2024 - arxiv.org
Space quantum communications is a potential means for establishing global secure
communications and quantum networking. Despite pioneering demonstrations of satellite …

Free‐space quantum key distribution transmitter system using WDM filter for channel integration

M Kim, K Lim, JS Choe, BS Choi, KJ Kim… - ETRI …, 2024 - Wiley Online Library
In this study, we report a transmitter system for free‐space quantum key distribution (QKD)
using the BB84 protocol, which does not require an internal alignment process, by using a …

Cascade cryptographic key-distribution protocol over a public network based on snapshot compressive ghost imaging

WK Yu, SF Wang, KQ Shang - Physical Review Applied, 2024 - APS
Computational ghost imaging is widely used in classical cryptographic key distribution
(CKD) because its measurement and reconstruction are equivalent to the encoding and …

Evaluation method and case study of satellite quantum key distribution for terrestrial networks

J Jordán-Parra, M Garcia-Romero… - 2024 Joint European …, 2024 - ieeexplore.ieee.org
Security is a major concern of digital society, and quantum key distribution (QKD) can
contribute with an un-conditional secure mechanism for symmetric key distribution. Satellites …

Time-delayed single satellite quantum repeater node for global quantum communications

M Gündoǧan, JS Sidhu, M Krutzik, DKL Oi - Optica Quantum, 2024 - opg.optica.org
Global-scale quantum networking faces significant technical and scientific obstacles.
Quantum repeaters (QRs) have been proposed to overcome the inherent direct transmission …

Preliminary Assessment of Satellite Quantum Key Distribution for Ireland

NL Anipeddi, J Horgan, D Oi… - British and Irish …, 2023 - opg.optica.org
We present a preliminary assessment of satellite quantum key distribution (SatQKD),
estimating the QKD potential between a satellite and a ground station in Waterford, Ireland …

Simulating loss and solar photon noise in free-space satellite quantum key distribution during twilight stages

K Schneeweiss - 2024 - repositum.tuwien.at
The importance of mitigating loss and noise in free-space satellite quantum key distribution
(QKD) is significant. This thesis develops a model to simulate the impact of solar photon …