Space–ground QKD network based on a compact payload and medium-inclination orbit

Y Li, SK Liao, Y Cao, JG Ren, WY Liu, J Yin, Q Shen… - Optica, 2022 - opg.optica.org
Significant progress has been made in satellite-based quantum key distribution (QKD), and
urgent follow-up work is to explore the optimal solution for building practical quantum …

[HTML][HTML] Statistical verifications and deep-learning predictions for satellite-to-ground quantum atmospheric channels

PV Trinh, A Carrasco-Casado, H Takenaka… - Communications …, 2022 - nature.com
Laser communications from small satellite platforms empowers the establishment of
quantum key distribution (QKD), relying on quantum superposition states of single photons …

Multicore fiber beacon system for reducing back-reflection in satellite quantum key distribution

C Simmons, R Donaldson - Optics Express, 2023 - opg.optica.org
Optical beaconing is an important part of the acquisition, pointing and tracking system
necessary for free-space quantum key distribution (QKD). However, uplink beacon back …

[HTML][HTML] LEO satellites constellation-to-ground QKD links: Greek quantum communication infrastructure paradigm

A Ntanos, NK Lyras, D Zavitsanos, G Giannoulis… - Photonics, 2021 - mdpi.com
Quantum key distribution (QKD) has gained a lot of attention over the past few years, but the
implementation of quantum security applications is still challenging to accomplish with the …

A low cost, short range quantum key distribution system

D Lowndes, S Frick, A Hart, J Rarity - EPJ Quantum Technology, 2021 - epjqt.epj.org
We present a miniaturized quantum key distribution system, designed to augment the more
mature quantum key distribution systems currently commercially available. Our device is …

Timing and synchronisation for high‐loss free‐space quantum communication with Hybrid de Bruijn Codes

P Zhang, DKL Oi, D Lowndes… - IET Quantum …, 2021 - Wiley Online Library
Satellite‐based, long‐distance free‐space quantum key distribution has the potential to
realise global quantum secure communication networks. Detecting faint quantum optical …

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 …

Quantum communication over atmospheric channels: a framework for optimizing wavelength and filtering

RN Lanning, MA Harris, DW Oesch, MD Oliker… - Physical Review …, 2021 - APS
Despite quantum networking concepts, designs, and hardware becoming increasingly
mature, there is no consensus on the optimal wavelength for free-space systems. We …

[HTML][HTML] Finite key performance of satellite quantum key distribution under practical constraints

JS Sidhu, T Brougham, D McArthur, RG Pousa… - Communications …, 2023 - nature.com
Global-scale quantum communication networks will require efficient long-distance
distribution of quantum signals. While optical fibre communications are range-limited due to …

The deep space quantum link: prospective fundamental physics experiments using long-baseline quantum optics

M Mohageg, L Mazzarella, C Anastopoulos… - EPJ Quantum …, 2022 - epjqt.epj.org
Abstract The National Aeronautics and Space Administration's Deep Space Quantum Link
mission concept enables a unique set of science experiments by establishing robust …