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

Transforming stand-alone qubits into a functional, general-purpose quantum processing unit
requires an architecture where many-body quantum entanglement can be generated and …

The accumulation of physical errors,–prevents the execution of large-scale algorithms in
current quantum computers. Quantum error correction promises a solution by encoding k …

Quantum computers hold the promise of solving computational problems that are intractable
using conventional methods. For fault-tolerant operation, quantum computers must correct …

Quantum computers can be protected from noise by encoding the logical quantum
information redundantly into multiple qubits using error-correcting codes,. When …

Quantum error correction offers a promising path for performing high fidelity quantum
computations. Although fully fault-tolerant executions of algorithms remain unrealized …

Solid-state spin qubits is a promising platform for quantum computation and quantum
networks,. Recent experiments have demonstrated high-quality control over multi-qubit …

Scaling is now a key challenge in superconducting quantum computing. One solution is to
build modular systems in which smaller-scale quantum modules are individually constructed …

Improving control over physical qubits is a crucial component of quantum computing
research. Here we report a superconducting fluxonium qubit with uncorrected coherence …

The design of quantum hardware that reduces and mitigates errors is essential for practical
quantum error correction (QEC) and useful quantum computation. To this end, we introduce …