Quasiparticle dynamics in superconducting quantum-classical hybrid circuits
Quasiparticle dynamics in superconducting quantum-classical hybrid circuits
Single flux quantum (SFQ) circuitry is a promising candidate for a scalable and integratable cryogenic quantum control system. However, the operation of SFQ circuits introduces nonequilibrium quasiparticles (QPs), which are a significant source of qubit decoherence. In this study, we investigate QP behavior in a superconducting quantum-classical hybrid chip that …