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Quantum Technologies for Communications and Networks Security
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Quantum Technologies for Communications and Networks Security

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Sensor Networks".

Deadline for manuscript submissions: 25 September 2024 | Viewed by 868

Special Issue Editors

Dr. Francesco Chiti

E-Mail Website
Guest Editor
Department of Information Engineering, University of Florence, Via S. Marta 3, 50139 Firenze, Italy
Interests: fog computing; internet of vehicles; mobile ad hoc and sensor networks; self-similar traffic modeling; radio resource management within 3/4G networks; turbo coding
Special Issues, Collections and Topics in MDPI journals
Dr. Roberto Picchi

E-Mail Website
Guest Editor Assistant
Department of Information Engineering, University of Florence, Via S. Marta 3, 50139 Firenze, Italy
Interests: quantum networking architectures; foundations of the quantum internet; internet of things and software-defined networking

Special Issue Information

Dear Colleagues,

This Special Issue aims to gather contributions in the form of original research papers, exploring developments and advancements in the field of “Quantum Technologies for Communications and Networks Security”. The rapid evolution of quantum technology is paving the way for the emerging fields of quantum communications and networking, leading to the design of the Quantum Internet. Considering the crucial role of distributed and secure quantum applications, there have been several initiatives to develop and test Quantum Key Distribution (QKD)-based links on different geographical scales, as well as various projects focused on investigating and implementing QKD services. However, there are still several open issues for both standardization and research activities towards a comprehensive and effective definition of entangle-based networks, which are addressed by this Special Issue.

The potential topics include but are not limited to:

  • E2E Quantum Security Design;
  • QKD Architectures and Protocols;
  • Quantum Distributed Computing and Cloud Security;
  • Quantum Programming and Algorithms;
  • Quantum Imaging and Sensing;
  • Quantum Machine Learning;
  • Software Defined Quantum Networking;
  • Quantum Repeaters Architectures;
  • Quantum Detectors and Antennas;
  • Single-Photon Sources and Detectors

Dr. Francesco Chiti
Guest Editor

Dr. Roberto Picchi
Guest Editor Assistant 

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

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Published Papers (1 paper)

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Research

15 pages, 11199 KiB  
Article
Enhancing Performance of Continuous-Variable Quantum Key Distribution (CV-QKD) and Gaussian Modulation of Coherent States (GMCS) in Free-Space Channels under Individual Attacks with Phase-Sensitive Amplifier (PSA) and Homodyne Detection (HD)
by Nancy Alshaer, Tawfik Ismail and Haitham Mahmoud
Sensors 2024, 24(16), 5201; https://doi.org/10.3390/s24165201 - 11 Aug 2024
Viewed by 437
Abstract
In recent research, there has been a significant focus on establishing robust quantum cryptography using the continuous-variable quantum key distribution (CV-QKD) protocol based on Gaussian modulation of coherent states (GMCS). Unlike more stable fiber channels, one challenge faced in free-space quantum channels is [...] Read more.
In recent research, there has been a significant focus on establishing robust quantum cryptography using the continuous-variable quantum key distribution (CV-QKD) protocol based on Gaussian modulation of coherent states (GMCS). Unlike more stable fiber channels, one challenge faced in free-space quantum channels is the complex transmittance characterized by varying atmospheric turbulence. This complexity poses difficulties in achieving high transmission rates and long-distance communication. In this article, we thoroughly evaluate the performance of the CV-QKD/GMCS system under the effect of individual attacks, considering homodyne detection with both direct and reverse reconciliation techniques. To address the issue of limited detector efficiency, we incorporate the phase-sensitive amplifier (PSA) as a compensating measure. The results show that the CV-QKD/GMCS system with PSA achieves a longer secure distance and a higher key rate compared to the system without PSA, considering both direct and reverse reconciliation algorithms. With an amplifier gain of 10, the reverse reconciliation algorithm achieves a secure distance of 5 km with a secret key rate of 10−1 bits/pulse. On the other hand, direct reconciliation reaches a secure distance of 2.82 km. Full article
(This article belongs to the Special Issue Quantum Technologies for Communications and Networks Security)
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