The performance of superconducting quantum circuits for quantum computing has advanced
tremendously in recent decades; however, a comprehensive understanding of relaxation …

Superconducting qubits are a leading system for realizing large-scale quantum processors,
but overall gate fidelities suffer from coherence times limited by microwave dielectric loss …

Storing quantum information for an extended period of time is essential for running quantum
algorithms with low errors. Currently, superconducting quantum memories have coherence …

Many proposals to scale quantum technology rely on modular or distributed designs
wherein individual quantum processors, called nodes, are linked together to form one large …

The performance of superconducting quantum circuits is primarily limited by dielectric loss
due to interactions with two-level systems (TLSs). State-of-the-art circuits with engineered …

Over the past decades, superconducting qubits have emerged as one of the leading
hardware platforms for realizing a quantum processor. Consequently, researchers have …

Three-dimensional microwave cavity resonators have been shown to reach lifetimes of the
order of a second by maximizing the cavity volume relative to its surface, using better …

Measuring the losses arising from different materials and interfaces is crucial to improving
the coherence of superconducting quantum circuits. Although this has been of interest for a …

Niobium offers the benefit of increased operating temperatures and frequencies for
Josephson junctions, which are the core component of superconducting devices. However …

Noisy Intermediate-Scale Quantum Computing (NISQ) has dominated headlines in recent
years, with the longer-term vision of Fault-Tolerant Quantum Computation (FTQC) offering …