Quantum computers have made extraordinary progress over the past decade, and
significant milestones have been achieved along the path of pursuing universal fault-tolerant …

This perspective describes the history, scientific and technology developments of
superconducting qubit-based quantum computers, which are currently dominant, particularly …

Quantum volume (QV) has become the de-facto standard benchmark to quantify the
capability of noisy intermediate-scale quantum (NISQ) devices. While QV values are often …

We have integrated single and coupled superconducting transmon qubits into flip-chip
modules. Each module consists of two chips—one quantum chip and one control chip—that …

Solid-state qubits with transition frequencies in the microwave regime, such as
superconducting qubits, are at the forefront of quantum information processing. However …

Scaling of quantum computers to fault-tolerant levels relies critically on the integration of
energy-efficient, stable, and reproducible qubit control and readout electronics. In …

Using quantum systems with more than two levels, or qudits, can scale the computational
space of quantum processors more efficiently than using qubits, which may offer an easier …

We report high qubit coherence as well as low cross-talk and single-qubit gate errors in a
superconducting circuit architecture that promises to be tileable to two-dimensional (2D) …

Quantum processing has the potential to transform the computing landscape by enabling
efficient solutions to problems that are intractable using classical processors. The field was …

Flip-chip architectures have recently enabled significant scaling-up of multi-qubit circuits and
have been used to assemble hybrid quantum systems that combine different substrates, for …