A Comprehensive Review of Quantum Computing and Quantum Sensing: From Foundational Principles to Synergistic Applications
Abstract
Quantum technologies are at the cusp of a new technological revolution, with quantum computing and quantum sensing emerging as two of its most transformative domains. This review paper provides an in-depth analysis of these fields, exploring their fundamental principles, hardware implementations, and the challenges that hinder their widespread adoption. Quantum computing, leveraging superposition and entanglement, promises to solve intractable computational problems in areas like drug discovery, materials science, and cryptography. Concurrently, quantum sensing exploits the inherent sensitivity of quantum systems to external perturbations, enabling unprecedented precision in metrology, medical diagnostics, and navigation. We delve into the diverse hardware platforms for each field, including superconducting qubits, trapped ions, NV centers in diamond, and cold atoms. A central theme of this review is the symbiotic relationship between quantum computing and quantum sensing, illustrating how advancements in one area directly accelerate progress in the other. Finally, we discuss the current state of the art, identify key technical and engineering challenges, and provide an outlook on future directions and potential societal impacts.
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