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 …

The performance of superconducting circuits for quantum computing is limited by materials
losses. In particular, coherence times are typically bounded by two-level system (TLS) …

The aim of this review is to provide quantum engineers with an introductory guide to the
central concepts and challenges in the rapidly accelerating field of superconducting …

The superconducting transmon qubit is a leading platform for quantum computing and
quantum science. Building large, useful quantum systems based on transmon qubits will …

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

Encoding a qubit in logical quantum states with wave functions characterized by disjoint
support and robust energies can offer simultaneous protection against relaxation and pure …

Detection mechanisms for low mass bosonic dark matter candidates, such as the axion or
hidden photon, leverage potential interactions with electromagnetic fields, whereby the dark …

Delivering on the revolutionary promise of a universal quantum computer will require
processors with millions of quantum bits (qubits),–. In superconducting quantum processors …

We benchmark the decoherence of superconducting transmon qubits to examine the
temporal stability of energy relaxation, dephasing, and qubit transition frequency. By …

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 …