Optimizing the frequency positioning of tunable couplers in a circuit QED processor to mitigate spectator effects on quantum operations

  1. S. Vallés-Sanclemente,
  2. T. H. F. Vroomans,
  3. T. R. van Abswoude,
  4. F. Brulleman,
  5. T. Stavenga,
  6. S. L. M. van der Meer,
  7. Y. Xin,
  8. A. Lawrence,
  9. V. Singh,
  10. M. A. Rol,
  11. and L. DiCarlo
We experimentally optimize the frequency of flux-tunable couplers in a superconducting quantum processor to minimize the impact of spectator transmons during quantum operations (single-qubit