1 School of Electrical Engineering and Telecommunications, The University of New South Wales, Sydney, New South Wales, Australia. a.saraiva@unsw.edu.au.
2 Diraq, Sydney, New South Wales, Australia. a.saraiva@unsw.edu.au.
3 Centre for Engineered Quantum Systems, School of Physics, The University of Sydney, Sydney, New South Wales, Australia. stephen.bartlett@sydney.edu.au.