Quasiparticle dynamics in a superconducting qubit irradiated by a localized infrared source

  1. Rodrigo Benevides,
  2. Maxwell Drimmer,
  3. Giacomo Bisson,
  4. Francesco Adinolfi,
  5. Uwe von Lüpke,
  6. Hugo Michiel Doeleman,
  7. Gianluigi Catelani,
  8. and Yiwen Chu
A known source of decoherence in superconducting qubits is the presence of broken Cooper pairs, or quasiparticles. These can be generated by high-energy radiation, either present in