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 …

Experimental demonstration of deep-learning-enabled adaptive optics

HB Fu, ZY Wan, Y Li, B Li, Z Rong, GQ Wang, J Yin… - Physical Review …, 2024 - APS
Satellite-based quantum communication is a promising approach for establishing global-
scale quantum networks. In free-space quantum channels, single-mode-fiber coupling plays …

Experimental demonstration of a reconfigurable free-space receiver implementing polarization routing and filtering for daytime quantum key distribution

AT Castillo, U Zanforlin, GS Buller, RJ Donaldson - Optics Express, 2023 - opg.optica.org
Free-space quantum key distribution (QKD) systems are often designed to implement
polarization-encoding protocols. Alternatively, time-bin/phase-encoding protocols are …

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 …

Efficient quantum digital signatures over long distances with likely bit strings

JQ Qin, ZW Yu, XB Wang - Physical Review Applied, 2024 - APS
Quantum digital signatures (QDSs) can provide information-theoretic security of messages
against forgery and repudiation. Compared with previous QDS protocols that focus on …

Toward converged satellite/fiber 1550 nm ds-bb84 qkd networks: Feasibility analysis and system requirements

A Stathis, A Ntanos, NK Lyras, G Giannoulis… - Photonics, 2024 - mdpi.com
Satellite-based QKD is currently being developed to revolutionize global cryptographic key
exchange by facilitating secure communication among remote parties at a global scale. By …

Characterization of intensity correlation via single-photon detection in quantum key distribution

T **ng, J Liu, L Zhang, MY Wang, YH Li, R Liu… - Optics …, 2024 - opg.optica.org
One of the most significant vulnerabilities in the source unit of quantum key distribution
(QKD) is the correlation between quantum states after modulation, which shall be …

Time-encoded photonic quantum states: Generation, processing, and applications

H Yu, AO Govorov, HZ Song, Z Wang - Applied Physics Reviews, 2024 - pubs.aip.org
Encoding and processing quantum information in the time-of-arrival of photons offer
significant advantages for quantum information science and technology. These advantages …

Harnessing high-dimensional temporal entanglement using limited interferometric setups

F Kanitschar, A Bergmayr-Mann, M Pivoluska… - Physical Review Applied, 2024 - APS
High-dimensional entanglement has been shown to provide significant advantages in
quantum communication. One of its most promising implementations is available in the time …

All-optical Stern-Gerlach effect in the time domain

G Bashan, A Eyal, M Tur, A Arie - Optics Express, 2024 - opg.optica.org
The Stern-Gerlach experiment, a seminal quantum physics experiment, demonstrated the
intriguing phenomenon of particle spin quantization, leading to applications in matter-wave …