Quantum communication: Real-world applications and academic research

Travis Roland Beals

Nicolas Gisin

The field of quantum communication is mature enough to be clearly divided into an applied side, around Quantum Key Distribution, and a fundamental research program. The applied side is driven by real-world applications with concerns like reliability and costs. The second aspect is still mainly curiosity driven and aims, among other things, at extending the distance of fiber-based quantum communication to continental (or even inter-continental) distances. In this tutorial I will give an intuitive perspective on some recent advances in the state of the art.

Archita Bhattacharyya, Mrinal Kanti Debbarma, Rabindra Kumar Barik

Quantum computing has the potential to transform a wide range of fields, such as materials science, chemistry, and optimization issues. The prohibitive expense of proprietary frameworks has severely limited the development of quantum computing systems, despite their transformative potential. Wider involvement in quantum research and development is now possible because of the emergence of open-source quantum computing frameworks as collaborative and affordable alternatives. With a particular focus on different frameworks, this study explores the effectiveness of open-source quantum computing frameworks in improving recommendation systems. In tackling challenging quantum computing problems, the study thoroughly assesses the usability, scalability, and performance of the framework. The results and analysis demonstrate the scalability and performance of different frameworks while utilizing their open-source nature to encourage cooperation and creativity. This study advances quantum-enhanced recommendation systems by bridging the gap between academic research and real-world applications. It also provides practitioners, developers, and researchers who want to use open-source quantum computing frameworks with insightful information to meet their computational needs. The authors aim to extend this research by exploring novel hybrid quantumclassical systems tailored for real-time applications. Future work will focus on integrating error-corrected quantum frameworks to overcome scalability challenges and advance their utility in healthcare and personalized services. This study advances quantum-enhanced recommendation systems by bridging the gap between academic research and real-world applications, providing practitioners and researchers with insight into using open source quantum computing frameworks.

S Athithian, S Raghavi, Anita Rose J T

The forthcoming emergence of quantum computing presents significant risks to conventional cryptographic frameworks, including RSA and ECC, which underpin secure communication infrastructures. In response to this challenge, the present study introduces an extensive framework that amalgamates quantum-resistant cryptographic methodologies with improved malware resilience strategies. By utilizing the lattice-based CRYSTALS-Kyber algorithm, this system guarantees strong post-quantum security while preserving computational efficiency. The framework facilitates a secure key exchange protocol that generates AES-256 keys for symmetric encryption and guarantees secured high-speed communications. Apart from that, malware resiliency features such as sandboxed environments and integrity verification strengthen the system against ever-evolving cyber threats. A proof-of-concept chat application demonstrates the effectiveness of the proposed system in terms of depicting real-time secure communication under quantum-resistant encryption. This is an approach towards a scalable and future-proof solution to secure communication in a post-quantum era with both academic research implications and real-world applications. Further enhancements include sophisticated malware detection techniques and broader system optimization.