BACKGROUND The past two decades have seen intense efforts aimed at building quantum
computing hardware with the potential to solve problems that are intractable on classical …

Advances in materials science and engineering have played a central role in the
development of classical computers and will undoubtedly be critical in propelling the …

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 …

Entangling microwave-frequency superconducting quantum processors through optical light
at ambient temperature would enable means of secure communication and distributed …

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 …

Technologies that rely on quantum bits (qubits) require long coherence times and high-
fidelity operations. Superconducting qubits are one of the leading platforms for achieving …

Early experiments with transiting circular Rydberg atoms in a superconducting resonator laid
the foundations of modern cavity and circuit quantum electrodynamics, and helped explore …

A robust cryogenic infrastructure in form of a wired, thermally optimized dilution refrigerator
is essential for solid-state based quantum processors. Here, we engineer a cryogenic setup …

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

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) …