Optical metamaterials have presented an innovative method of manipulating light.
Hyperbolic metamaterials have an extremely high anisotropy with a hyperbolic dispersion …

The advancement in electromagnetic metamaterials, which commenced three decades ago,
experienced a rapid transformation into acoustic and elastic systems in the forms of …

Recent advances in nanofabrication and characterization technologies have spurred many
breakthroughs in the field of optical metamaterials and metasurfaces that provide novel …

Evolving from metamaterials, optical metasurfaces not only inherit their unprecedented
flexibility in tailoring light–matter interaction but also the generally fixed response …

Hyperbolic metamaterials, horizontally stacked metal and dielectric multilayer, have recently
been studied as a platform to observe optical spin Hall effect. However, the large optical spin …

A hyperbolic material (HM) is an optical material that exhibits a unique property of having
anisotropy with simultaneously different signs of the permittivity tensor components. Such a …

Negative refraction has generated much interest recently with its unprecedented optical
phenomenon. However, a broadband negative refraction has been challenging because …

We report on lenses that operate over the visible wavelength band from 450 nm to beyond
700 nm, and other lenses that operate over a wide region in the near-infrared from 650 nm …

Semiconductor quantum well (QW) light‐emitting diodes (LEDs) have limited temporal
modulation bandwidth of a few hundred MHz due to the long carrier recombination lifetime …

Microsphere-assisted microscopy has received a lot of attention recently due to its simplicity
and its capability to surpass the diffraction limit. However, to date, sub-diffraction-limit …