Part I Quantum Computing: Chapter 1 Superconducting Qubits -- Chapter 2 Trapped-Ion Quantum Computers -- Chapter 3 Quantum Computing with Neutral Atoms -- Chapter 4 Quantum Computing with Semiconductor Spin -- Chapter 5 Quantum Error Control and Mitigation Strategies -- Chapter 6 Quantum Optimization -- Chapter 7 Quantum Annealing -- Chapter 8 Quantum Machine Learning -- Chapter 9 Enabling and Accelerating Quantum Computing with AI Supercomputing -- Part II Quantum Communication: Chapter 10 Quantum Threats -- Chapter 11 Quantum Random Number Generators (QRNG) -- Chapter 12 Trends in Quantum Key Distribution (QKD) -- Chapter 13 Migrating to Quantum Key Distribution -- Chapter 14 Post-Quantum Cryptography -- Chapter 15 Quantum Readiness: Recommendations for Enterprises -- Chapter 16 Perspective on the QKD versus PQC debate -- Chapter 17 Quantum Technologies for Space Applications -- Part III Quantum Technology Ecosystem Analysis: Chapter 18 Global Quantum Strategies -- Chapter 19 Investment Trends in Quantum Computing -- Chapter 20 Analysis of Quantum Trends in Open Software Repositories and Financial News -- Chapter 21 Bibliometric Analysis of Convergence of Quantum Technologies -- Chapter 22 Quantum Ecosystem of Switzerland -- Part IV Conclusion.

Open Access

This open access book invites readers to explore the emerging opportunities and strategic significance of quantum technologies in the context of cybersecurity. It collects the latest trends and insights into the evolution of quantum computing and quantum communication, offering valuable guidance. To this end, it brings together comprehensive trends, research, and insights from more than 40 leading experts from around the globe to provide a deep understanding of the opportunities, challenges, and implications of quantum technologies for cyber defence. Divided in three parts, the book examines core advancements in various types of quantum technologies and also addresses the key obstacles that limit progress. It explores the potential disruptions to current cryptographic standards alongside potential solutions, as well as global quantum strategies and tools designed to monitor trends in quantum technologies. This is the third book in a series published by the Technology Monitoring (TM) team of the Cyber-Defence Campus. It serves as a resource for researchers, cybersecurity specialists, policymakers, and industry leaders navigating the rapidly evolving quantum landscape. It aims to foster informed decision-making and encourage collaboration across sectors.

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