Quantum repeaters: From quantum networks to the quantum internet

K Azuma, SE Economou, D Elkouss, P Hilaire… - Reviews of Modern …, 2023 - APS
A quantum internet is the holy grail of quantum information processing, enabling the
deployment of a broad range of quantum technologies and protocols on a global scale …

Experimental twin-field quantum key distribution over 1000 km fiber distance

Y Liu, WJ Zhang, C Jiang, JP Chen, C Zhang… - Physical Review Letters, 2023 - APS
Quantum key distribution (QKD) aims to generate secure private keys shared by two remote
parties. With its security being protected by principles of quantum mechanics, some …

Breaking the rate-loss bound of quantum key distribution with asynchronous two-photon interference

YM **e, YS Lu, CX Weng, XY Cao, ZY Jia, Y Bao… - PRX Quantum, 2022 - APS
Twin-field quantum key distribution can overcome the secret key capacity of repeaterless
quantum key distribution via single-photon interference. However, to compensate for the …

Experimental quantum communication overcomes the rate-loss limit without global phase tracking

L Zhou, J Lin, YM **e, YS Lu, Y **g, HL Yin, Z Yuan - Physical Review Letters, 2023 - APS
Secure key rate (SKR) of point-point quantum key distribution (QKD) is fundamentally
bounded by the rate-loss limit. Recent breakthrough of twin-field (TF) QKD can overcome …

Mode-pairing quantum key distribution

P Zeng, H Zhou, W Wu, X Ma - Nature Communications, 2022 - nature.com
Quantum key distribution—the establishment of information-theoretically secure keys based
on quantum physics—is mainly limited by its practical performance, which is characterised …

Recent progress in quantum key distribution network deployments and standards

M Stanley, Y Gui, D Unnikrishnan… - Journal of Physics …, 2022 - iopscience.iop.org
Quantum key distribution (QKD) provides in principle unconditional security of key sharing
based on the laws of physics only. In the last decade, several experimental and commercial …

Twin-field quantum key distribution without optical frequency dissemination

L Zhou, J Lin, Y **g, Z Yuan - nature communications, 2023 - nature.com
Twin-field (TF) quantum key distribution (QKD) has rapidly risen as the most viable solution
to long-distance secure fibre communication thanks to its fundamentally repeater-like rate …

Twin-field quantum key distribution over 830-km fibre

S Wang, ZQ Yin, DY He, W Chen, RQ Wang, P Ye… - Nature …, 2022 - nature.com
Quantum key distribution (QKD) provides a promising solution for sharing information-
theoretic secure keys between remote peers with physics-based protocols. According to the …

Optical clocks at sea

JD Roslund, A Cingöz, WD Lunden, GB Partridge… - Nature, 2024 - nature.com
Deployed optical clocks will improve positioning for navigational autonomy, provide remote
time standards for geophysical monitoring and distributed coherent sensing, allow time …

Experimental quantum secret sharing based on phase encoding of coherent states

A Shen, XY Cao, Y Wang, Y Fu, J Gu, WB Liu… - Science China Physics …, 2023 - Springer
Quantum secret sharing (QSS) is one of the basic communication primitives in future
quantum networks which addresses part of the basic cryptographic tasks of multiparty …