Recent progress in nanophotonics and material science has inspired a strong interest in
optically-induced material dynamics, opening new research directions in the distinct fields of …

This broad review summarizes recent advances and “hot” research topics in nanophononics
and elastic, acoustic, and mechanical metamaterials based on results presented by the …

We present an experimental study of optical time-refraction caused by time-interfaces as
short as a single optical cycle. Specifically, we study the propagation of a probe pulse …

Temporal modulation recently draws great attentions in wave manipulations, with which one
can introduce the concept of temporal multilayer structure, a temporal counterpart of spatially …

In this Letter, we present the first experimental demonstration of the temporal refraction of
acoustic waves in a phononic lattice. A step change in grounding stiffness results in a …

During the last decade, possibilities to realize new phenomena and create new applications
by varying system properties in time have gained increasing attention in many research …

The physics of waves in time-varying media provides numerous opportunities for wave
control that are unattainable with static media. In particular, Floquet systems with a periodic …

Incorporating dispersion into time-varying media not only holds practical significance but
also profoundly transforms the electromagnetic characteristics of such dynamic media. In …

Recent research developments in the area of spacetime metamaterial structures and
systems have raised new questions as to how the physics of fundamental phenomena is …

Photonic time interfaces, as the temporal analogue of spatial interfaces between two media,
consist of a rapid change of the electromagnetic properties of a material (such as permittivity …