Loss-tolerant quantum key distribution with mixed signal states

JE Bourassa, IW Primaatmaja, CCW Lim, HK Lo - Physical Review A, 2020 - APS
The security of measurement device-independent quantum key distribution (MDI QKD) relies
on a thorough characterization of one's optical source output, especially any noise in the …

Loss-tolerant quantum key distribution with detection efficiency mismatch

A Marcomini, A Mizutani, F Grünenfelder… - arXiv preprint arXiv …, 2024 - arxiv.org
Current implementations of quantum key distribution (QKD) typically rely on prepare-and-
measure (P&M) schemes. Unfortunately, these implementations are not completely secure …

Practical quantum key distribution that is secure against side channels

Á Navarrete, M Pereira, M Curty, K Tamaki - Physical Review Applied, 2021 - APS
There is a large gap between theory and practice in quantum key distribution (QKD)
because real devices do not satisfy the assumptions required by the security proofs. Here …

Experimental measurement-device-independent quantum key distribution with uncharacterized encoding

C Wang, S Wang, ZQ Yin, W Chen, HW Li, CM Zhang… - Optics Letters, 2016 - opg.optica.org
Measurement-device-independent quantum key distribution (MDI QKD) is an efficient way to
share secrets using untrusted measurement devices. However, the assumption on the …

[HTML][HTML] Quantum key distribution with flawed and leaky sources

M Pereira, M Curty, K Tamaki - npj Quantum Information, 2019 - nature.com
In theory, quantum key distribution (QKD) allows secure communications between two
parties based on physical laws. However, most of the security proofs of QKD today make …

Security proof of practical quantum key distribution with detection-efficiency mismatch

Y Zhang, PJ Coles, A Winick, J Lin, N Lütkenhaus - Physical Review Research, 2021 - APS
Quantum key distribution (QKD) protocols with threshold detectors are driving high-
performance QKD demonstrations. The corresponding security proofs usually assume that …

Versatile security analysis of measurement-device-independent quantum key distribution

IW Primaatmaja, E Lavie, KT Goh, C Wang, CCW Lim - Physical Review A, 2019 - APS
Measurement-device-independent quantum key distribution (MDI-QKD) is the only known
QKD scheme that can completely overcome the problem of detection side-channel attacks …

Phase-matching quantum key distribution

X Ma, P Zeng, H Zhou - Physical Review X, 2018 - APS
Quantum key distribution allows remote parties to generate information-theoretic secure
keys. The bottleneck throttling its real-life applications lies in the limited communication …

Source attack of decoy-state quantum key distribution using phase information

YL Tang, HL Yin, X Ma, CHF Fung, Y Liu, HL Yong… - Physical Review A …, 2013 - APS
Quantum key distribution (QKD) utilizes the laws of quantum mechanics to achieve
information-theoretically secure key generation. This field is now approaching the stage of …

Phase randomization improves the security of quantum key distribution

HK Lo, J Preskill - arXiv preprint quant-ph/0504209, 2005 - arxiv.org
Ideal quantum key distribution (QKD) protocols call for a source that emits single photon
signals, but the sources used in typical practical realizations emit weak coherent states …