Coherent control of atomic qubits by non-classical light Stepan N. Balybin, Polina R. Sharapova and Olga V. Tikhonova Eur. Phys. J. D, 71 5 (2017) 109 Published online: 18 May 2017 DOI: 10.1140/epjd/e2017-70712-y