Recent progress in quantum photonic chips for quantum communication and internet

W Luo, L Cao, Y Shi, L Wan, H Zhang, S Li… - Light: Science & …, 2023 - nature.com
Recent years have witnessed significant progress in quantum communication and quantum
internet with the emerging quantum photonic chips, whose characteristics of scalability …

Information processing at the speed of light

M AbuGhanem - Frontiers of Optoelectronics, 2024 - Springer
In recent years, quantum computing has made significant strides, particularly in light-based
technology. The introduction of quantum photonic chips has ushered in an era marked by …

Demonstration of quantum network protocols over a 14-km urban fiber link

S Kucera, C Haen, E Arenskötter, T Bauer… - npj Quantum …, 2024 - nature.com
We report on the implementation of quantum entanglement distribution and quantum state
teleportation over a 14.4 km urban dark-fiber link, which is partially underground, partially …

Intermodal quantum key distribution field trial with active switching between fiber and free-space channels

F Picciariello, I Karakosta-Amarantidou… - EPJ Quantum …, 2025 - epjqt.epj.org
Background Intermodal quantum key distribution enables the full interoperability of fiber
networks and free-space channels, which are both necessary elements for the development …

Versatile and concurrent FPGA-based architecture for practical quantum communication systems

A Stanco, FBL Santagiustina… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
This article presents a hardware and software architecture, which can be used in those
systems that implement practical quantum key distribution (QKD) and quantum random …

Qubit-based distributed frame synchronization for quantum key distribution

Y Chen, C Huang, G Lin, S Huang… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
Quantum key distribution (QKD) is a method that enables two remote parties to share a
secure key string. Clock synchronization between two parties is a crucial step in the normal …

Quantum-secured time transfer between precise timing facilities: a field trial with simulated satellite links

F Picciariello, F Vedovato, D Orsucci, PN Dominguez… - GPS Solutions, 2024 - Springer
Abstract Global Navigation Satellite Systems (GNSSs), such as GPS and Galileo, provide
precise time and space coordinates globally and constitute part of the critical infrastructure of …

Realization of intermodal fiber/free-space quantum key distribution networks

F Vedovato, F Picciariello… - … , and Simulation III, 2023 - spiedigitallibrary.org
Intermodal quantum key distribution (IM-QKD) enables the integration of fiber networks and
free-space connections, which can be ground-to-ground links or involve satellite nodes in …

Reference-frame-independent quantum key distribution over 250 km of optical fiber

X Liu, D Luo, Z Luo, S Li, Z Zhang, K Wei - Physical Review Applied, 2024 - APS
The reference-frame-independent quantum key distribution (RFI QKD) protocol enables
QKD systems to function effectively despite slowly varying reference frames, offering a …

A tunable quantum random number generator based on a fiber-optical Sagnac interferometer

J Argillander, A Alarcón, GB Xavier - Journal of Optics, 2022 - iopscience.iop.org
Quantum random number generators (QRNGs) are based on naturally random
measurement results performed on individual quantum systems. Here, we demonstrate a …