Solution of the Convex Optimization Problem for Subcarrier Wave Continuous-Variable Quantum Key Distribution Protocol with Discrete Modulation

N Ivankov, R Goncharov… - 2023 Wave Electronics …, 2023 - ieeexplore.ieee.org
This paper introduces an approach to solving the convex optimization problem for subcarrier
wave continuous-variable quantum key distribution (QKD) protocol using discrete …

[HTML][HTML] Subcarrier wave continuous variable quantum key distribution with discrete modulation: mathematical model and finite-key analysis

E Samsonov, R Goncharov, A Gaidash, A Kozubov… - Scientific Reports, 2020 - nature.com
In this paper we report a continuous-variable quantum key distribution protocol using
multimode coherent states generated on subcarrier frequencies of the optical spectrum. We …

Shaped Constellation Continuous Variable Quantum Key Distribution: Concepts, Methods and Experimental Validation

F Roumestan, A Ghazisaeidi… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
Quantum key distribution (QKD) enables the establishment of secret keys between users
connected via a channel vulnerable to eavesdropping, with information-theoretic security …

Security of binary modulated continuous variable quantum key distribution using optimally displaced threshold detection

M Zhao, R Yuan, J Cheng, S Han - IEEE Communications …, 2020 - ieeexplore.ieee.org
Continuous variable quantum key distribution attracts increasing attention in recent years
due to its potential high secret key rates and the compatibility with existing communication …

Security of Coherent-State Quantum Key Distribution Using Displacement Receiver

M Zhao, R Yuan, C Feng, S Han… - IEEE Journal on …, 2024 - ieeexplore.ieee.org
Continuous variable quantum key distribution (CV-QKD) protocol has drawn much attention
due to its compatibility with existing optical communication systems. In this paper, we …

Coherent detection schemes for subcarrier wave continuous variable quantum key distribution

E Samsonov, R Goncharov, M Fadeev, A Zinoviev… - JOSA B, 2021 - opg.optica.org
We examine different methods to implement coherent detection in subcarrier wave quantum
key distribution (SCW QKD) systems. For classical wave fields, we present the models …

[HTML][HTML] Subcarrier wave continuous-variable quantum key distribution with Gaussian modulation: composable security analysis

RK Goncharov, AD Kiselev, EO Samsonov… - Компьютерная …, 2023 - cyberleninka.ru
In this paper, we continue the study of the quantum cryptographic GG02 protocol, performed
using the approach based on the subcarrier waves. We modify the scheme via heterodyne …

Analysis of the chromatic dispersion effect on the subcarrier wave QKD system

F Kiselev, E Samsonov, R Goncharov, V Chistyakov… - Optics …, 2020 - opg.optica.org
In this paper we investigate the chromatic dispersion impact on the quantum key distribution
system based on multi-mode weak coherent phase-coded states. We provide an asymptotic …

Experimental demonstration of discrete modulation formats for continuous variable quantum key distribution

F Roumestan, A Ghazisaeidi, J Renaudier… - arXiv preprint arXiv …, 2022 - arxiv.org
Quantum key distribution (QKD) enables the establishment of secret keys between users
connected via a channel vulnerable to eavesdropping, with information-theoretic security …

Security of subcarrier wave quantum key distribution against the collective beam-splitting attack

GP Miroshnichenko, AV Kozubov, AA Gaidash… - Optics express, 2018 - opg.optica.org
We consider a subcarrier wave quantum key distribution (QKD) system, where quantum
encoding is carried out at weak sidebands generated around a coherent optical beam as a …