Performance Stabilization of High-Coherence Superconducting Qubits

  1. Andrew Dane,
  2. Karthik Balakrishnan,
  3. Brent Wacaser,
  4. Li-Wen Hung,
  5. H. J. Mamin,
  6. Daniel Rugar,
  7. Robert M. Shelby,
  8. Conal Murray,
  9. Kenneth Rodbell,
  10. and Jeffrey Sleight
Superconducting qubits have been used in the most advanced demonstrations of quantum information processing, and they can be manufactured at-scale using proven semiconductor techniques.

Merged-Element Transmons: Design and Qubit Performance

  1. H. J. Mamin,
  2. E. Huang,
  3. S. Carnevale,
  4. C. T. Rettner,
  5. N. Arellano,
  6. M. H. Sherwood,
  7. C. Kurter,
  8. B. Trimm,
  9. M. Sandberg,
  10. R. M. Shelby,
  11. M. A. Mueed,
  12. B. A. Madon,
  13. A. Pushp,
  14. M. Steffen,
  15. and D. Rugar
We have demonstrated a novel type of superconducting transmon qubit in which a Josephson junction has been engineered to act as its own parallel shunt capacitor. This merged-element