1. Centre of Excellence for Quantum Computation and Communication Technology, Department of Quantum Science and Technology, Research School of Physics, The Australian National University, Acton 2601, Australia
2. Centre of Excellence for Quantum Computation and Communication Technology, School of Physics, UNSW Sydney, Kensington 2052, New South Wales, Australia
3. Silicon Quantum Computing Pty Ltd, UNSW Sydney, Kensington 2052, New South Wales, Australia