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 …

Efficient nonlinear optical interactions are essential for many applications in modern
photonics. However, they typically require intense laser sources and long interaction …

Double-slit experiments—where a wave is transmitted through a thin double aperture in
space—have confirmed the wave–particle duality of quantum objects, such as single …

Abstract Space-time duality in paraxial optical wave propagation implies the existence of
intriguing effects when light interacts with a material exhibiting two refractive indexes …

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 …

Recent advances in ultrafast, large-modulation photonic materials have opened the door to
many new areas of research. One specific example is the exciting prospect of photonic time …

With its unique and exclusive linear and nonlinear optical characteristics, epsilon-near-zero
(ENZ) photonics has drawn a tremendous amount of attention in the recent decade in the …

During the past few years, the optics and photonics communities have renewed their
attention toward transparent conducting oxides (TCOs), which for over two decades have …

The engineering of the spatial and temporal properties of both the electric permittivity and
the refractive index of materials is at the core of photonics. When vanishing to zero, those …

A time-dependent change in the refractive index of a material leads to a change in the
frequency of an optical beam passing through that medium. Here, we experimentally …