Universal Fast-Flux Control of a Coherent, Low-Frequency Qubit
Helin Zhang, Srivatsan Chakram, Tanay Roy, Nathan Earnest, Yao Lu, Ziwen Huang, D. K. Weiss, Jens Koch, David I. Schuster · Physical Review X · 2021
A set of protocols for initializing, controlling, and reading out a qubit design known as ``heavy fluxonium,'' operated in a previously unexplored regime, provides excellent coherence times and fast high-fidelity gates.