Scalability Challenges in Quantum Computing: Current Status and Future Directions

Abstract

Quantum computing holds the promise of revolutionizing various fields by solving complex problems that are currently intractable for classical computers. However, one of the primary obstacles to realizing practical quantum computing is scalability. a comprehensive overview of the current status of scalability challenges in quantum computing and explores future directions for overcoming these obstacles. Key scalability issues include qubit coherence, error rates, quantum gate fidelity, and the integration of quantum and classical systems. Advances in qubit technologies, such as superconducting qubits, trapped ions, and topological qubits, are examined for their potential to enhance scalability. error correction techniques, including surface codes and concatenated codes, which are essential for maintaining qubit coherence over extended operations. Additionally, the integration of quantum processors into larger architectures and the development of quantum networking are highlighted as critical steps towards scalable quantum computing. By addressing these challenges through innovative research and technological advancements, the path to scalable and practical quantum computing becomes clearer, paving the way for its transformative impact on science, industry, and society.