Experimental Realization of a Protected Superconducting Circuit Derived from the 0 – π Qubit
András Gyenis, Pranav S. Mundada, Agustin Di Paolo, Thomas M. Hazard, Xinyuan You, David I. Schuster, Jens Koch, Alexandre Blais, Andrew A. Houck · PRX Quantum · 2021
A promising building block for a fault-tolerant quantum processor is demonstrated: Exponential protection against relaxation and first-order protection against dephasing is achieved in a superconducting qubit.