Optimized cross-resonance gate for coupled transmon systems

  1. Susanna Kirchhoff,
  2. Torsten Keßler,
  3. Per J. Liebermann,
  4. Elie Assémat,
  5. Shai Machnes,
  6. Felix Motzoi,
  7. and Frank K. Wilhelm
The cross-resonant gate is an entangling gate for fixed frequency superconducting qubits introduced for untunable qubits. While being simple and extensible, it suffers from long duration