Metropolitan-scale heralded entanglement of solid-state qubits

AJ Stolk, KL van der Enden, MC Slater… - Science …, 2024 - science.org
A key challenge toward future quantum internet technology is connecting quantum
processors at metropolitan scale. Here, we report on heralded entanglement between two …

Microwave control of the tin-vacancy spin qubit in diamond with a superconducting waveguide

I Karapatzakis, J Resch, M Schrodin, P Fuchs… - Physical Review X, 2024 - APS
Group-IV color centers in diamond are promising candidates for quantum networks due to
their dominant zero-phonon line and symmetry-protected optical transitions that connect to …

Scalable fault-tolerant quantum technologies with silicon color centers

S Simmons - PRX Quantum, 2024 - APS
The scaling barriers currently faced by both quantum networking and quantum computing
technologies ultimately amount to the same core challenge of distributing high-quality …

[PDF][PDF] High-rate and high-fidelity modular interconnects between neutral atom quantum processors

Y Li, JD Thompson - PRX Quantum, 2024 - APS
Quantum links between physically separated modules are important for scaling many
quantum computing technologies. The key metrics are the generation rate and fidelity of …

Quantum secure authentication and key agreement protocols for IoT-enabled applications: A comprehensive survey and open challenges

PR Babu, SAP Kumar, AG Reddy, AK Das - Computer Science Review, 2024 - Elsevier
This study provides an in-depth survey of quantum secure authentication and key
agreement protocols, investigating the dynamic landscape of cryptographic techniques …

Coherent coupling of a diamond tin-vacancy center to a tunable open microcavity

Y Herrmann, J Fischer, JM Brevoord, C Sauerzapf… - Physical Review X, 2024 - APS
Efficient coupling of optically active qubits to optical cavities is a key challenge for solid-state-
based quantum optics experiments and future quantum technologies. Here we present a …

Long-lived quantum memory enabling atom-photon entanglement over 101 km of telecom fiber

Y Zhou, P Malik, F Fertig, M Bock, T Bauer, T van Leent… - PRX Quantum, 2024 - APS
Long-distance entanglement distribution is the key task for quantum networks, enabling
applications such as secure communication and distributed quantum computing. In this …

The road to quantum internet: Progress in quantum network testbeds and major demonstrations

J Liu, T Le, T Ji, R Yu, D Farfurnik, G Bryd… - Progress in Quantum …, 2024 - Elsevier
The quantum internet is on the cusp of a revolution. While it shares the same purpose as the
classical internet—connecting devices and transmitting information, the underlying principle …

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 …

Single-Shot Readout and Weak Measurement of a Tin-Vacancy Qubit in Diamond

EI Rosenthal, S Biswas, G Scuri, H Lee, AJ Stein… - Physical Review X, 2024 - APS
The negatively charged tin-vacancy center in diamond (SnV-) is an emerging platform for
building the next generation of long-distance quantum networks. This is due to the SnV-'s …