Advances in quantum cryptography

S Pirandola, UL Andersen, L Banchi… - Advances in optics …, 2020 - opg.optica.org
Quantum cryptography is arguably the fastest growing area in quantum information science.
Novel theoretical protocols are designed on a regular basis, security proofs are constantly …

Quantum key distribution: a networking perspective

M Mehic, M Niemiec, S Rass, J Ma, M Peev… - ACM Computing …, 2020 - dl.acm.org
The convergence of quantum cryptography with applications used in everyday life is a topic
drawing attention from the industrial and academic worlds. The development of quantum …

Entanglement-based secure quantum cryptography over 1,120 kilometres

J Yin, YH Li, SK Liao, M Yang, Y Cao, L Zhang, JG Ren… - Nature, 2020 - nature.com
Abstract Quantum key distribution (QKD),–is a theoretically secure way of sharing secret
keys between remote users. It has been demonstrated in a laboratory over a coiled optical …

Entanglement of two quantum memories via fibres over dozens of kilometres

Y Yu, F Ma, XY Luo, B Jing, PF Sun, RZ Fang… - Nature, 2020 - nature.com
A quantum internet that connects remote quantum processors, should enable a number of
revolutionary applications such as distributed quantum computing. Its realization will rely on …

Long-distance free-space measurement-device-independent quantum key distribution

Y Cao, YH Li, KX Yang, YF Jiang, SL Li, XL Hu… - Physical Review Letters, 2020 - APS
Measurement-device-independent quantum key distribution (MDI-QKD), based on two-
photon interference, is immune to all attacks against the detection system and allows a QKD …

Structured light in turbulence

MA Cox, N Mphuthi, I Nape, N Mashaba… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
Optical communication is an integral part of the modern economy, having all but replaced
electronic communication systems. Future growth in bandwidth appears to be on the horizon …

Vanadium spin qubits as telecom quantum emitters in silicon carbide

G Wolfowicz, CP Anderson, B Diler, OG Poluektov… - Science …, 2020 - science.org
Solid-state quantum emitters with spin registers are promising platforms for quantum
communication, yet few emit in the narrow telecom band necessary for low-loss fiber …

Entanglement demonstration on board a nano-satellite

A Villar, A Lohrmann, X Bai, T Vergoossen… - Optica, 2020 - opg.optica.org
Global quantum networks for secure communication can be realized using large fleets of
satellites distributing entangled photon pairs between ground-based nodes. Because the …

Cryogenic microwave-to-optical conversion using a triply resonant lithium-niobate-on-sapphire transducer

TP McKenna, JD Witmer, RN Patel, W Jiang… - Optica, 2020 - opg.optica.org
Quantum networks are likely to have a profound impact on the way we compute and
communicate in the future. In order to wire together superconducting quantum processors …

Cavity piezo-mechanics for superconducting-nanophotonic quantum interface

X Han, W Fu, C Zhong, CL Zou, Y Xu, AA Sayem… - Nature …, 2020 - nature.com
Hybrid quantum systems are essential for the realization of distributed quantum networks. In
particular, piezo-mechanics operating at typical superconducting qubit frequencies features …