Time-varying media have recently emerged as a new paradigm for wave manipulation, due
to the synergy between the discovery of highly nonlinear materials, such as epsilon-near …

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 …

Metamaterials with high degrees of freedom: space, time, and more Skip to content Should
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This tutorial provides an intuitive and concrete description of the phenomena of
electromagnetic nonreciprocity that will be useful for readers with engineering or physics …

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 …

The article reviews general properties of time-varying dispersive materials. We first briefly
discuss different dispersion models that have been proposed in the literature, the role of the …

Abstract Space− time modulated metamaterials support extraordinary rich applications, such
as parametric amplification, frequency conversion, and non-reciprocal transmission. The …

Optical metasurfaces have recently emerged as the game changer in light manipulation and
opened up new perspectives in many subfields of optics and photonics. Recent …

We explore the mathematical theory to rigorously describe the response of media with linear
time-varying, generally dispersive, electromagnetic constitutive parameters. We show that …

We study the problem of a temporal discontinuity in the permittivity of an unbounded medium
with Lorentzian dispersion. More specifically, we tackle the situation in which a …