[1] Australian Natl Univ, Res Sch Phys, Nonlinear Phys Ctr, Canberra, ACT 2601, Australia
[2] ITMO Univ, Sch Phys & Engn, St Petersburg 197101, Russia
[3] Australian Natl Univ, Res Sch Phys, Dept Quantum Sci, Ctr Quantum Computat & Commun Technol, Canberra, ACT 2601, Australia