For quantum computers to successfully solve real-world problems, it is necessary to tackle
the challenge of noise: the errors that occur in elementary physical components due to …

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 …

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

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 …

We present a comprehensive architectural analysis for a proposed fault-tolerant quantum
computer based on cat codes concatenated with outer quantum error-correcting codes. For …

The rise of quantum information science has provided new perspectives on quantum
mechanics, as well as a common language for quantum engineering. The focus on platforms …

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 realization of quantum error correction is an essential ingredient for reaching the full
potential of fault-tolerant universal quantum computation. Using a range of different …

The performance of a wide range of quantum computing algorithms and protocols depends
critically on the fidelity and speed of the employed qubit readout. Examples include gate …

Large-scale superconducting quantum computers require the high-fidelity control and
readout of large numbers of qubits at millikelvin temperatures, resulting in a massive input …