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 …

Satellite-based continuous-variable quantum communications: State-of-the-art and a predictive outlook

N Hosseinidehaj, Z Babar, R Malaney… - … Surveys & Tutorials, 2018 - ieeexplore.ieee.org
The recent launch of the Micius quantum-enabled satellite heralds a major step forward for
long-range quantum communication. Using single-photon discrete-variable quantum states …

Measurement-device-independent quantum secure direct communication

ZR Zhou, YB Sheng, PH Niu, LG Yin, GL Long… - Science China Physics …, 2020 - Springer
Quantum secure direct communication (QSDC) is a unique technique, which supports the
secure transmission of confidential information directly through a quantum channel without …

Experimental demonstration of continuous-variable measurement-device-independent quantum key distribution over optical fiber

Y Tian, P Wang, J Liu, S Du, W Liu, Z Lu, X Wang, Y Li - Optica, 2022 - opg.optica.org
Measurement-device-independent quantum key distribution (MDI-QKD) can remove all side-
channel attacks on detectors. In the context of the dramatic progress of discrete-variable MDI …

Realization of quantum secure direct communication with continuous variable

Z Cao, Y Lu, G Chai, H Yu, K Liang, L Wang - Research, 2023 - spj.science.org
With the progress of theoretical and applied technologies, the communication system based
on the classical encryption is seriously threatened by quantum computing and distributed …

Homodyne-detector-blinding attack in continuous-variable quantum key distribution

H Qin, R Kumar, V Makarov, R Alléaume - Physical Review A, 2018 - APS
We propose an efficient strategy to attack a continuous-variable (CV) quantum key
distribution (QKD) system, which we call homodyne detector blinding. This attack strategy …

Continuous-variable measurement-device-independent quantum key distribution with photon subtraction

HX Ma, P Huang, DY Bai, SY Wang, WS Bao, GH Zeng - Physical Review A, 2018 - APS
It has been found that non-Gaussian operations can be applied to increase and distill
entanglement between Gaussian entangled states. We show the successful use of the non …

Composable security of CV-MDI-QKD with secret key rate and data processing

P Papanastasiou, AG Mountogiannakis, S Pirandola - Scientific reports, 2023 - nature.com
We provide a rigorous security proof of continuous-variable measurement-device-
independent quantum key distribution which incorporates finite-size effects and composable …

Continuous-variable measurement-device-independent quantum key distribution: Composable security against coherent attacks

C Lupo, C Ottaviani, P Papanastasiou, S Pirandola - Physical Review A, 2018 - APS
We present a rigorous security analysis of continuous-variable measurement-device-
independent quantum key distribution (CV MDI QKD) in a finite-size scenario. The security …

Impact of non-orthogonal measurement in Bell detection on continuous-variable measurement-device-independent quantum key distribution

Z Li, X Wang, Z Chen, T Shen, S Yu, H Guo - Quantum Information …, 2023 - Springer
Continuous-variable measurement-device-independent quantum key distribution (CV-MDI
QKD), whose core is Bell detection, can effectively resist attacks on the detection system …