1. Xanadu, Toronto, ON, M5G 2C8, Canada
2. Department of Physics, University of Toronto, Toronto, Canada
3. Center for Quantum Information and Control, University of New Mexico, Albuquerque, NM 87131, USA
4. Centre for Quantum Computation and Communication Technology, School of Science, RMIT University, Melbourne, VIC 3000, Australia
5. Perimeter Institute for Theoretical Physics, Waterloo, ON N2L 2Y5, Canada
6. Institute for Quantum Computing, University of Waterloo, Waterloo, ON N2L 3G1, Canada
7. College of Optical Sciences, University of Arizona, Tucson, Arizona 85719, USA
8. Department of Applied Physics, Graduate School of Engineering, The University of Tokyo, 7–3–1 Hongo, Bunkyo-ku, Tokyo 113–8656, Japan