Demonstration of quantum volume 64 on a superconducting quantum computing system
This work improves the quality of quantum circuits on superconducting quantum computing systems, as measured by the quantum volume (QV), with a combination of dynamical decoupling, compiler optimizations, shorter two-qubit gates, and excited state promoted readout.
Abstract
We improve the quality of quantum circuits on superconducting quantum\ncomputing systems, as measured by the quantum volume, with a combination of\ndynamical decoupling, compiler optimizations, shorter two-qubit gates, and\nexcited state promoted readout. This result shows that the path to larger\nquantum volume systems requires the simultaneous increase of coherence, control\ngate fidelities, measurement fidelities, and smarter software which takes into\naccount hardware details, thereby demonstrating the need to continue to\nco-design the software and hardware stack for the foreseeable future.\n