Andrew M. Lance,1 Thomas Symul,1 Warwick P. Bowen,1, 2 Barry C. Sanders,3 Tomáš Tyc,4 T. C. Ralph,5 and Ping Koy Lam1 Quantum Optics Group, Department of Physics, Faculty of Science, Australian National University, ACT 0200, Australia Quantum Optics Group, Norman Bridge Laboratory of Physics California Institute of Technology, Pasadena, CA 91125, U.S.A. Institute for Quantum Information Science...