In the past 20 years, impressive progress has been made both experimentally and
theoretically in superconducting quantum circuits, which provide a platform for manipulating …

We report on the design and performance of an on-chip microwave circulator with a widely
(GHz) tunable operation frequency. Nonreciprocity is created with a combination of …

Non-reciprocal components such as circulators, isolators and gyrators find utility in
numerous microwave wireless applications, including high-power transmitters, simultaneous …

The field of propagating quantum microwaves is a relatively new area of research that is
receiving increased attention due to its promising technological applications, both in …

A switch capable of routing microwave signals at cryogenic temperatures is a desirable
component for state-of-the-art experiments in many fields of applied physics, including but …

Superconducting qubits are a leading platform for scalable quantum computing and
quantum error correction. One feature of this platform is the ability to perform projective …

Effective quantum communication between remote quantum nodes requires high fidelity
quantum state transfer and remote entanglement generation. Recent experiments have …

In cavity-based axion dark matter detectors, quantum noise remains a primary barrier to
achieving the scan rate necessary for a comprehensive search of axion parameter space …

Systematic errors in qubit state preparation arise due to non-idealities in qubit control lines
such as impedance mismatch. Using a data-based methodology of short-open-load …

There has been significant recent progress in the implementation of integrated non-
reciprocal components based on linear periodically time-varying (LPTV) circuits …