[HTML][HTML] Continuous-variable quantum key distribution system: Past, present, and future

Y Zhang, Y Bian, Z Li, S Yu, H Guo - Applied Physics Reviews, 2024 - pubs.aip.org
Quantum key distribution provides secure keys with information-theoretic security ensured
by the principle of quantum mechanics. The continuous-variable version of quantum key …

Laser-seeding attack in quantum key distribution

A Huang, Á Navarrete, SH Sun, P Chaiwongkhot… - Physical Review …, 2019 - APS
Quantum key distribution (QKD) based on the laws of quantum physics allows the secure
distribution of secret keys over an insecure channel. Unfortunately, imperfect …

Laser-damage attack against optical attenuators in quantum key distribution

A Huang, R Li, V Egorov, S Tchouragoulov, K Kumar… - Physical Review …, 2020 - APS
Many quantum key distribution systems employ a laser followed by an optical attenuator to
prepare weak coherent states in the source. Their mean photon number must be …

Continuous-variable quantum communication

VC Usenko, A Acín, R Alléaume, UL Andersen… - arxiv preprint arxiv …, 2025 - arxiv.org
Tremendous progress in experimental quantum optics during the past decades enabled the
advent of quantum technologies, one of which is quantum communication. Aimed at novel …

Indoor channel modeling for continuous variable quantum key distribution in the terahertz band

Y He, Y Mao, D Huang, Q Liao, Y Guo - Optics Express, 2020 - opg.optica.org
Continuous-variable quantum key distribution (CVQKD) in an indoor scenario can provide
secure wireless access for practical short-distance communications with high rates …

Quantum key distribution: a survey on current vulnerability trends and potential implementation risks

A Brazaola-Vicario, A Ruiz, O Lage, E Jacob… - Optics …, 2024 - opg.optica.org
Quantum key distribution (QKD) is a cryptographic technique that enables secure private key
exchange between geographically distant parties over an insecure channel, protecting …

Countermeasure for negative impact of a practical source in continuous-variable measurement-device-independent quantum key distribution

L Huang, X Wang, Z Chen, Y Sun, S Yu, H Guo - Physical Review Applied, 2023 - APS
Continuous-variable measurement-device-independent quantum key distribution (CV-MDI
QKD) can fundamentally defend all attacks on the measurement devices. Consequently …

Defending against a laser-seeding attack on continuous-variable quantum key distribution using an improved optical power limiter

Q Peng, B Gao, D Wang, Q Liao, Z Zuo, H Zhong… - Physical Review A, 2023 - APS
Laser-seeding attack enables an attacker to control the source output and eavesdrops on
the key information, compromising the security of the continuous-variable (CV) quantum key …

Light-injection attack against practical continuous-variable measurement-device-independent quantum key distribution systems

Y Wang, Y Zheng, C Fang, H Shi, W Pan - Optics Express, 2024 - opg.optica.org
Continuous-variable measurement-device-independent quantum key distribution (CV-MDI
QKD) can defend all detection-side attacks effectively. Therefore, the source side is the final …

Amplitude-boosting attack against practical discrete-modulated continuous-variable quantum key distribution

M Wu, Y Bian, J Li, S Yu, Y Zhang - Optics Express, 2024 - opg.optica.org
Discrete-modulated continuous-variable quantum key distribution offers significant practical
deployment advantages due to its straightforward state preparation and high compatibility …