Stable and efficient guided waves are essential for information transmission and processing.
Recently, topological valley-contrasting materials in condensed matter systems have been …

The integration of qubits with long coherence times and functional quantum devices on a
single chip, and thus the realization of an all-solid-state quantum computing chip, is an …

Acoustic devices play an important role in classical information processing. The slower
speed and lower losses of mechanical waves enable compact and efficient elements for …

Quantum nonreciprocal devices have received extensive attention in recent years because
they can be used to realize unidirectional quantum routing and noise isolation. In this work …

Thin-film gallium nitride (GaN) is a promising platform for phononic integrated circuits that
hold great potential for scalable information processing processors. Here, an unsuspended …

Piezoelectric acoustic devices that are integrated with semiconductors can leverage the
acoustoelectric effect, allowing functionalities such as gain and isolation to be achieved in …

We fabricated and characterized a single-crystal silicon phonon waveguide structure with
lead zirconate titanate (PZT) piezoelectric transducers. The compressive stress in a silicon …

This work reports the first demonstration and dispersion analysis of guided S0 Lamb modes
in 30% scandium aluminum nitride (ScAlN) on sapphire (SoS). The fundamental Rayleigh …

Recent decades have seen significant advancements in integrated photonics, driven by
improvements in nanofabrication technology. This field has developed from integrated …

Phononic wire waveguides of subwavelength cross sections support two orthogonal
polarization modes: the out-of-plane motion dominated Rayleigh-like and the in-plane …