Author(s): Reinier W. Heeres, Brian Vlastakis, Eric Holland, Stefan Krastanov, Victor V. Albert, Luigi Frunzio, Liang Jiang, and Robert J. Schoelkopf
A new quantum gate can control the phase of a quantum state and create a high fidelity single photon Fock state.

[Phys. Rev. Lett. 115, 137002] Published Tue Sep 22, 2015