Quantum control of quantum systems: from room-temperature masers to generation of entanglement photonsJacob Emerick, Colin Roy, Zorica Branković and Yuri RostovtsevEur. Phys. J. Spec. Top., 232 20-22 (2023) 3359-3367DOI: https://doi.org/10.1140/epjs/s11734-023-01009-x