Review of qubit-based quantum sensing

This review delves into quantum sensing from its foundational principles to transformative applications across various fields, encompassing a range of qubit systems such as spin chains, superconducting qubits, and NV centre ensembles. The complex interplay between quantum mechanics and macroscopic systems is explored, highlighting phenomena like quantum entanglement and Bell states. Key challenges, including decoherence and measurement noise, are addressed, providing insights into enhancing quantum sensing capabilities. A comparison of critical attributes for evaluating qubit performance across various quantum technologies and discussion on quantum noise mitigation techniques are provided.