This line is focused on quantum sensing protocols enhanced by entanglement, exploiting the long coherence times of nitrogen-vacancy centers in diamond and nearby nuclear spins as long-lived quantum memories. It builds on techniques based on error correction, dynamical decoupling, and multi-qubit correlations to surpass classical limits in sensitivity and spectral resolution. It also includes a newly established applied quantum sensing laboratory within the group that operates experiments on magnetic-field measurements and the detection of millimetre-wave and terahertz radiation. Spin–photon interfaces are also investigated as a route to storing quantum information in spin systems while transmitting it via optical photons, preserving coherence in noisy environments. Overall, the activity combines theory and experiment to advance next-generation quantum sensing protocols.
