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

The discovery, design and development of materials are critically linked to advances in
many areas of research, and optics is no exception. Recently, the spectral region in which …

Abstract Epsilon‐near‐zero (ENZ) photonics is the study of light–matter interactions in the
presence of structures with near‐zero permittivity and has been emerging as an important …

This Colloquium presents an overview of the research on nonlinear electromagnetic
metamaterials. The developed theoretical approaches and experimental designs are …

The physics of the epsilon-near-zero (ENZ) mode, which is supported by a nanolayer at the
frequency where the dielectric permittivity vanishes, has recently been a subject of debate …

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 …

Assembling plasmonic nanocrystals in regular superlattices can produce effective optical
properties not found in homogeneous materials. However, the range of these metamaterial …

We experimentally demonstrate efficient third harmonic generation from an indium tin oxide
nanofilm (λ/42 thick) on a glass substrate for a pump wavelength of 1.4 μm. A conversion …

Materials with a spatially uniform but temporally varying optical response have applications
ranging from magnetic field-free optical isolators to fundamental studies of quantum field …

Optical communication systems increasingly require electro-optical modulators that deliver
high modulation speeds across a large optical bandwidth with a small device footprint and a …