The rise of quantum information science has provided new perspectives on quantum
mechanics, as well as a common language for quantum engineering. The focus on platforms …

Amorphous solids show surprisingly universal behaviour at low temperatures. The
prevailing wisdom is that this can be explained by the existence of two-state defects within …

Today, surface acoustic waves (SAWs) and bulk acoustic waves are already two of the very
few phononic technologies of industrial relevance and can been found in a myriad of …

Hybrid quantum systems in which acoustic resonators couple to superconducting qubits are
promising quantum information platforms. High quality factors and small mode volumes …

The experimental investigation of quantum devices incorporating mechanical resonators
has opened up new frontiers in the study of quantum mechanics at a macroscopic level. It …

In quantum optics, light–matter interaction has conventionally been studied using small
atoms interacting with electromagnetic fields with wavelength several orders of magnitude …

We resolve phonon number states in the spectrum of a superconducting qubit coupled to a
multimode acoustic cavity. Crucial to this resolution is the sharp frequency dependence in …

We demonstrate an acoustical analog of a circuit quantum electrodynamics system that
leverages acoustic properties to enable strong multimode coupling in the dispersive regime …

There has been rapidly growing interest in hybrid quantum devices involving a solid-state
spin and a macroscopic mechanical oscillator. Such hybrid devices create exciting …

Surface acoustic wave (SAW)–matter interaction provides a fascinating key for inducing and
manipulating novel phenomena and functionalities in two-dimensional (2D) materials. The …