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 …

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

YM Xie, 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 …

[HTML][HTML] Experimental measurement-device-independent type quantum key distribution with flawed and correlated sources

J Gu, XY Cao, Y Fu, ZW He, ZJ Yin, HL Yin, ZB Chen - Science Bulletin, 2022 - Elsevier
The security of quantum key distribution (QKD) is severely threatened by discrepancies
between realistic devices and theoretical assumptions. Recently, a significant framework …

Twin-field quantum key distribution without optical frequency dissemination

L Zhou, J Lin, Y Jing, 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 …

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 …

Coherent phase transfer for real-world twin-field quantum key distribution

C Clivati, A Meda, S Donadello, S Virzì… - Nature …, 2022 - nature.com
Quantum mechanics allows distribution of intrinsically secure encryption keys by optical
means. Twin-field quantum key distribution is one of the most promising techniques for its …

Advantages of asynchronous measurement-device-independent quantum key distribution in intercity networks

YM Xie, JL Bai, YS Lu, CX Weng, HL Yin, ZB Chen - Physical Review Applied, 2023 - APS
The alternative variant of measurement-device-independent quantum key distribution (MDI
QKD), called asynchronous MDI QKD or mode-pairing MDI QKD, offers similar repeaterlike …

Modified BB84 quantum key distribution protocol robust to source imperfections

M Pereira, G Currás-Lorenzo, Á Navarrete… - Physical Review …, 2023 - APS
The Bennett-Brassard 1984 (BB84) protocol is the most widely implemented quantum key
distribution (QKD) scheme. However, despite enormous theoretical and experimental efforts …

Practical Long‐Distance Measurement‐Device‐Independent Quantum Key Distribution By Four‐Intensity Protocol

XL Hu, C Jiang, ZW Yu, XB Wang - Advanced Quantum …, 2021 - Wiley Online Library
Quantum key distribution (QKD) can provide unconditionally secure private communication
between two remote parties. The measurement‐device‐independent (MDI) QKD can …