Quantum-mechanical effects at the macroscopic level were first explored in Josephson-
junction-based superconducting circuits in the 1980s. In recent decades, the emergence of …

During the last ten years, superconducting circuits have passed from being interesting
physical devices to becoming contenders for near-future useful and scalable quantum …

We improve the quality of quantum circuits on superconducting quantum computing
systems, as measured by the quantum volume (QV), with a combination of dynamical …

Synthesizing many-body quantum systems with various ranges of interactions facilitates the
study of quantum chaotic dynamics. Such extended interaction range can be enabled by …

The promise of quantum computers is that certain computational tasks might be executed
exponentially faster on a quantum processor than on a classical processor. A fundamental …

Reducing measurement errors in multiqubit quantum devices is critical for performing any
quantum algorithm. Here we show how to mitigate measurement errors by a classical …

To date, quantum computation on real, physical devices has largely been limited to simple,
time-ordered sequences of unitary operations followed by a final projective measurement …

The ability to detect and deal with errors when manipulating quantum systems is a
fundamental requirement for fault-tolerant quantum computing. Unlike classical bits that are …

Quantum computing offers a powerful new paradigm of information processing that has the
potential to transform a wide range of industries. In the pursuit of the tantalizing promises of …

With favourable error thresholds and requiring only nearest-neighbour interactions on a
lattice, the surface code is an error-correcting code that has garnered considerable attention …