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 …

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 …

Artificial atoms realized by superconducting circuits offer unique opportunities to store and
process quantum information with high fidelity. Among them, implementations of circuits that …

Quantum error correction (QEC) provides a practical path to fault-tolerant quantum
computing through scaling to large qubit numbers, assuming that physical errors are …

Many important phenomena in quantum devices are dynamic, meaning that they cannot be
studied using time-averaged measurements alone. Experiments that measure such transient …

Single flux quantum (SFQ) digital logic has been proposed for the scalable control of next-
generation superconducting-qubit arrays. In the initial implementation, SFQ-based gate …

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

Van-der-Waals assembly enables the fabrication of novel Josephson junctions featuring an
atomically sharp interface between two exfoliated and relatively twisted Bi 2 Sr 2 CaCu 2 O …

Superconducting qubits seem promising for useful quantum computers, but the currently
wide-spread qubit designs and techniques do not yet provide high enough performance …