1. Institute for Quantum Computing, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
2. Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
3. Department of Physics and Astronomy, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
4. Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada