Quantum key distribution (QKD) constitutes a symmetric secret key negotiation protocol
capable of maintaining information-theoretic security. Given the recent advances in QKD …

The quantum internet is a cutting‐edge paradigm that uses the unique characteristics of
quantum technology to radically alter communication networks. This new network type is …

We report an experimental implementation of free-space quantum secure direct
communication based on single photons. The quantum communication scheme uses phase …

Quantum key distribution (QKD) is a crucial component for truly secure communication,
which enables the leakage of information due to eavesdropper attacks to be analyzed …

Abstract The Optical Wireless Communication (OWC) offers the high capacity of optical fiber
communication with the flexibility of wireless communication. Since it works in the optical …

We propose a continuous-variable quantum key distribution (CVQKD) scheme at terahertz
(THz) bands based on multicarrier multiplexing (MCM) technology. In this scheme, multiple …

The recent advances in quantum information processing, sensing, and communications are
surveyed with the objective of identifying the associated knowledge gaps and formulating a …

With the development of quantum technologies, the quantum internet has demonstrated
unique applications beyond the classical internet and has been investigated extensively in …

With the rapid growth of handheld devices in the Internet of Things (loT) networks, mobile
applications have become ubiquitous in everyday life. As technology is developed, so also …

This book fills a gap between experts and non-experts in the field by providing readers with
the basic tools to understand the latest developments in quantum communications and its …