Entanglement of remote collective atomic qubits
S. D. Jenkins, Dzmitry Matsukevich, T. Chanelière, Shau-Yu Lan, A. Kuzmich, T. A. B. Kennedy · 2006
We observe entanglement of two remote atomic qubits, by generating entangled state of an atomic qubit and a single photon, transmitting the photon to an adjacent laboratory, and converting the photon into an atomic qubit.