Deterministic quantum storage, communication and computing with atomic ensembles using light-shift imbalance induced blockade of collective excitations
M. S. Shahriar, Prabhakar Pradhan, G. S. Pati, Venkatesh Gopal, K. Salit · 2006
Collective excitation, the leading technique for quantum information processing, suffers from limitations due to higher order excitations. We describe a blockade mechanism, based on light-shift imbalance in a Raman transition that eliminates this shortcoming.