Currently, quantum key distribution (QKD) using continuous variable (CV) technology has
only been demonstrated over short‐range terrestrial links. Here, we attempt to answer …

Designing a practical Continuous Variable (CV) Quantum Key Distribution (QKD) system
requires an estimation of the quantum channel characteristics and the extraction of secure …

We propose to investigate the performance of a satellite-to-ground quantum key distribution
(QKD) system that uses key retransmission as a method for improving the system reliability …

Free Space Optics (FSO) represent a promising technology for secure communications in
several types of architectures: from Quantum Key Distribution Networks (QKDNs) to satellite …

Distribution of keys in classical cryptography is one of the most significant affairs to deal with.
The computational hardness is the fundamental basis of the security of these keys. However …

Quantum key distribution (QKD) is a method that enables secure communication between
two parties by applying the ideas of quantum physics. By minimizing information leakage …

This thesis reports on reconciliation schemes based on Low-Density Parity-Check (LDPC)
codes in Quantum Key Distribution (QKD) protocols. It particularly focuses on a trade-off …

P b= 2 ρbxb− 1. Here, Λ and P are the highest degrees in λ (x) and ρ (x), respectively. We
denote the total number of non-zero entries in an LDPC matrix as G, and adopt the well …

This paper proposes to use high-altitude platform (HAP)-based relaying and link-layer
automatic repeat request (ARQ) techniques to improve the performance of the satellite …