This editorial introduces the International Conference on Quantum Innovations for Computing and Knowledge Systems (QUICK 2026). The conference provides an international forum for presenting advances in quantum computing, quantum algorithms, artificial intelligence, quantum materials, and secure communication technologies. QUICK 2026 emphasizes the convergence of quantum technologies with intelligent computing systems and realworld applications across scientific and industrial domains. All submissions were evaluated through a rigorous multi-stage review process, including desk screening and double-blind peer review, ensuring high scientific quality and research integrity. The proceedings highlight emerging breakthroughs and interdisciplinary innovations shaping the next generation of quantum-enabled computing and knowledge systems.
This editorial introduces the International Conference on Quantum Innovations for Computing and Knowledge Systems (QUICK 2026). The conference provides an international forum for presenting advances in quantum computing, quantum algorithms, artificial intelligence, quantum materials, and secure communication technologies. QUICK 2026 emphasizes the convergence of quantum technologies with intelligent computing systems and realworld applications across scientific and industrial domains. All submissions were evaluated through a rigorous multi-stage review process, including desk screening and double-blind peer review, ensuring high scientific quality and research integrity. The proceedings highlight emerging breakthroughs and interdisciplinary innovations shaping the next generation of quantum-enabled computing and knowledge systems.
Quantum computing has emerged as a transformative computational paradigm capable of addressing limitations increasingly encountered by classical computing systems as Moore’s law approaches physical and economic constraints. By leveraging quantum mechanical principles such as superposition, entanglement, and interference, quantum systems offer the potential for significant computational advantages in solving complex problems that are currently infeasible for conventional architectures. This review critically synthesizes recent advances in quantum computing by examining foundational principles, major algorithmic breakthroughs, evolving hardware platforms, and interdisciplinary real-world applications. A structured narrative literature review was conducted using major scientific databases, including PubMed, IEEE Xplore, Nature, ScienceDirect, and arXiv, with emphasis on peer-reviewed studies, landmark foundational research, and major industry developments published between 2018 and 2026. Key findings indicate substantial progress in superconducting, trapped ion, photonic, and topological quantum systems, alongside innovations in algorithms such as Shor’s, Grover’s, variational quantum methods, and quantum machine learning. Despite these advancements, major challenges including decoherence, noise, scalability limitations, and fault-tolerant error correction remain substantial barriers to commercial maturity. Future implications suggest quantum computing may profoundly influence artificial intelligence, cybersecurity, optimization, molecular simulation, and scientific discovery, particularly through hybrid classical-quantum systems and cloud-based democratization. Although practical deployment remains transitional, quantum computing is positioned to become a foundational technology with broad scientific, industrial, and societal implications.
Quantum Intelligence: The Convergence of AI and Quantum Computing explores the transformative integration of Artificial Intelligence (AI) and quantum computing to address computational challenges beyond the capabilities of classical systems. The subject examines the fundamentals of quantum mechanics, quantum algorithms, and quantum machine learning, highlighting how quantum computing can accelerate data processing, optimization, pattern recognition, and complex decision-making.It covers key topics such as quantum neural networks, quantum-enhanced optimization, hybrid quantum-classical computing, cryptography, and AI-driven scientific discovery. The convergence of these technologies has the potential to revolutionize fields including healthcare, finance, cybersecurity, materials science, logistics, and climate modeling by solving problems with unprecedented speed and accuracy. By bridging the principles of AI and quantum computing, this field provides a foundation for next-generation intelligent systems, enabling groundbreaking innovations and shaping the future of computational intelligence.
The International Conference on Quantum AI and Deep-Tech Innovations for Next-Gen Intelligence (QUADNEXT-2026), held on 06–07 February 2026 in Vijayawada, India, represents a significant step toward advancing interdisciplinary research at the intersection of quantum computing, artificial intelligence, and emerging deep technologies. This conference was organized with the objective of bringing together academicians, researchers, industry experts, and students to explore innovative ideas and recent advancements shaping the future of intelligent systems. The rapid evolution of Quantum AI and deep-tech domains has opened new frontiers in solving complex real-world problems across healthcare, cybersecurity, agriculture, climate science, and smart systems. The proceedings of QUADNEXT-2026 compile a diverse collection of peer-reviewed research papers, keynote insights, and scholarly contributions that reflect the current trends, challenges, and future directions in next-generation technologies. The selected papers demonstrate cutting-edge research in areas such as machine learning, blockchain integration, quantum-enhanced systems, intelligent prediction models, and secure digital infrastructures. This conference was made possible with the support of AICTE under the VAANI scheme, encouraging knowledge dissemination in regional and global contexts. The collaborative efforts of organizing institutions, reviewers, authors, and participants have contributed to the success of this event. We sincerely hope that these proceedings will serve as a valuable resource for researchers, practitioners, and students, fostering innovation and inspiring further exploration in the domain of Quantum AI and deep technologies.
Quantum Computing The twenty-first century has witnessed remarkable advancements in computing technologies, transforming every aspect of modern society. As conventional computing systems approach their physical and computational limits, the search for new paradigms capable of solving increasingly complex problems has led to the emergence of Quantum Computing. By harnessing the principles of quantum mechanics, quantum computing represents a revolutionary approach that has the potential to redefine computation, communication, and information processing on an unprecedented scale. Quantum Computing is designed to provide readers with a comprehensive understanding of the concepts, principles, technologies, and applications that form the foundation of this rapidly evolving field. This book aims to bridge the gap between theoretical quantum mechanics and practical computational applications, enabling students, researchers, academicians, and professionals to explore the transformative potential of quantum technologies. The chapters in this book cover a broad spectrum of topics, including the fundamentals of quantum mechanics, quantum bits (qubits), quantum gates, superposition, entanglement, quantum circuits, quantum algorithms, quantum cryptography, quantum communication, and quantum error correction. The book also explores the architecture of quantum computers and examines the challenges involved in building scalable and fault-tolerant quantum systems. As industries increasingly seek innovative solutions to complex computational problems, quantum computing is emerging as a promising technology with applications in cryptography, artificial intelligence, machine learning, optimization, financial modeling, healthcare, pharmaceutical research, materials science, logistics, and climate modeling. The ability of quantum computers to process vast amounts of information simultaneously offers opportunities that were previously beyond the reach of classical computing systems. Special attention has been given to contemporary developments in quantum technologies, including quantum supremacy, hybrid quantum-classical computing, cloud-based quantum platforms, and the growing role of quantum computing in scientific discovery and industrial innovation. The book also discusses ethical, security, and societal implications associated with the advancement of quantum technologies. The primary objective of this book is to equip readers with both foundational knowledge and practical insights into the field of quantum computing. Through a balanced presentation of theory, applications, case studies, and emerging research trends, the book seeks to inspire curiosity, innovation, and further exploration in this transformative domain. We extend our sincere gratitude to the authors, reviewers, researchers, academicians, and industry experts whose valuable contributions have enriched the quality and relevance of this publication. Their dedication and expertise have helped create a resource that reflects the latest developments and future possibilities of quantum computing. We hope that Quantum Computing will serve as a valuable guide for students, educators, researchers, and technology professionals seeking to understand the next frontier of computational science. May this book inspire new ideas, foster innovation, and contribute to the advancement of knowledge in one of the most exciting technological revolutions of our time. Mr. M. Rajeshkumar Dr. R. Mariappan Mr. E.Janakiraman,
Quantum Artificial Intelligence (Quantum AI) embodies the integration of quantum computational paradigms with artificial intelligence frameworks to address the computational intractability and scalability constraints inherent in classical AI systems. By leveraging quantum mechanical properties such as superposition, entanglement, and quantum interference, Quantum AI enables enhanced representation learning, accelerated optimization, and improved probabilistic inference in high-dimensional problem spaces. In parallel, deep-tech innovations—including advanced deep learning architectures, neuromorphic computing, and edge-based intelligent processing—are redefining the architectural foundations of next- generation intelligent systems through energy-efficient, adaptive, and real-time computation. This paper presents a technically rigorous and comprehensive review of Quantum AI and deep-tech innovations, focusing on algorithmic formulations, architectural models, and system-level integration strategies. Core methodologies such as quantum machine learning algorithms, parameterized quantum circuits, variational quantum algorithms, and hybrid quantum–classical optimization frameworks are critically analysed with respect to computational complexity, repressibility, and feasibility on noisy intermediate-scale quantum (NISQ) hardware. Additionally, the role of neuromorphic computing in enabling spiking neural architectures and event-driven processing is examined as a complementary paradigm to quantum-enhanced learning models, particularly for low-power and latency-critical applications. The paper further investigates application- driven deployments of Quantum AI across domains including medical diagnostics, cryptographic security, autonomous decision-making, and smart cyber-physical systems, highlighting performance trade-offs and implementation constraints. Key challenges such as quantum noise, decoherence, data encoding bottlenecks, limited qubit connectivity, and ethical governance are systematically discussed. Finally, future research directions are identified, emphasizing fault-tolerant quantum learning architectures, scalable hybrid integration with deep-tech systems, and co-design methodologies for realizing practical next-generation intelligence platforms.