Secret key rate of multi-ring M-APSK continuous variable quantum key distribution

M Almeida, D Pereira, NJ Muga, M Facão, AN Pinto… - Optics …, 2021 - opg.optica.org
Discrete modulation continuous variable quantum key distribution (DM-CV-QKD) is highly
considered in real implementations to avoid the complexity of Gaussian modulation (GM) …

Security of quantum communications in oceanic turbulence

Z Zuo, Y Wang, Y Mao, X Ruan, Y Guo - Physical Review A, 2021 - APS
The channel fading induced in the ocean quantum links is a major obstacle restricting the
performance of ocean quantum key distribution. To determine the ultimate limits at which …

Security of continuous-variable quantum key distribution against canonical attacks

P Papanastasiou, C Ottaviani… - … conference on computer …, 2021 - ieeexplore.ieee.org
We investigate the performance of Gaussian-modulated coherent-state QKD protocols in the
presence of canonical attacks, which are collective Gaussian attacks resulting into Gaussian …

[PDF][PDF] High effective efficiency LDPC codes for CV-QKD

T Symul, S Johnson, AM Lance - 2021.qcrypt.net
High efficiency error reconciliation, typically achieved by using Multi Edge Low Density
Parity Codes (MELDPC), is necessary for CV-QKD to reach large transmission distance. The …