Photonic Time-Crystals (PTCs) are materials in which the refractive index varies periodically
and abruptly in time. This medium exhibits unusual properties such as momentum bands …

Photonic time-varying systems have attracted significant attention owing to their rich physics
and potential opportunities for new and enhanced functionalities. In this context, the duality …

Photonic time crystals (PTCs), materials with a dielectric permittivity that is modulated
periodically in time, offer new concepts in light manipulation. We study theoretically the …

Photonic time crystals are artificial materials whose electromagnetic properties are uniform
in space but periodically vary in time. The synthesis of these materials and experimental …

The overall article presents the authors' vision of the emerging field of spacetime
metamaterials, and related systems, in a cohesive and pedagogical perspective …

Gratings which are in apparent motion reveal some startling properties for classical
radiation, especially for luminal gratings traveling at or around the speed of light. We show …

Metamaterials with high degrees of freedom: space, time, and more Skip to content Should
you have institutional access? Here's how to get it ... De Gruyter € EUR - Euro £ GBP - Pound …

Over the past decade, static metasurfaces have proved to be low-profile and efficient
apparatuses for transformation of electromagnetic waves. However, such metasurfaces are …

We find topological band structures in photonic time crystals—materials in which the
refractive index varies periodically and abruptly in time. When the refractive index changes …

Elastic waveguides with time-modulated stiffness feature a frequency-periodic dispersion
spectrum, where branches merge at multiple integers of half the modulation frequency and …