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 review progress in the development and applications of superconducting metamaterials.
The review is organized in terms of several distinct advantages and unique properties …

To date, quantum computation on real, physical devices has largely been limited to simple,
time-ordered sequences of unitary operations followed by a final projective measurement …

Quantum-limited microwave parametric amplifiers are genuine key pillars for rising quantum
technologies and, in general, for applications that rely on the successful readout of weak …

We propose a protocol to realize nonadiabatic geometric quantum computation of small-
amplitude Schrödinger cat qubits via invariant-based reverse engineering. We consider a …

Squeezing of the electromagnetic vacuum is an essential metrological technique used to
reduce quantum noise in applications spanning gravitational wave detection, biological …

A microwave amplifier combining noise performances as close as possible to the quantum
limit with large bandwidth and high saturation power is highly desirable for many solid-state …

The concept of distributedly modulated capacitors (DMC) is proposed as a form of time-
varying transmission-line structure offering nonreciprocal propagation and coupling …

Josephson parametric amplifiers have become a critical tool in superconducting device
physics due to their high gain and quantum-limited noise. Traveling wave parametric …

We propose a technique to overcome phase mismatch in Josephson-junction traveling wave
parametric amplifiers in order to achieve high gain over a broad bandwidth. Using “resonant …