During the past few years, metasurfaces have been used to demonstrate optical elements
and systems with capabilities that surpass those of conventional diffractive optics. Here, we …

This paper reviews the-state-of-the-art of electromagnetic (EM) metasurfaces and emergent
applications in advanced integrated devices and instruments from the design method to …

We present an all-dielectric germanium nanosystem exhibiting a strong third order nonlinear
response and efficient third harmonic generation in the optical regime. A thin germanium …

Dielectric super-absorbing (> 50%) metasurfaces, born of necessity to break the 50%
absorption limit of an ultrathin film, offer an efficient way to manipulate light. However, in …

Strong near-infrared absorption of light in semiconducting transition metal dichalcogenides
(TMDs) is essential for improving the photocarrier extraction efficiency in optoelectronic …

High-Q absorption in all-dielectric photonics boosts the fundamental study of light–matter
interactions at the nanoscale and has potential applications in biomedical science …

Strong near‐infrared absorption in ultrathin semiconductor layers is essential for increasing
the speed and efficiency of photocarrier extraction in optoelectronic devices. However, the …

Miniaturization of optoelectronic devices offers tremendous performance gain. As the
volume of photoactive material decreases, optoelectronic performance improves, including …

The development of flat optics has taken the world by storm. The initial mission was to try
and replace conventional optical elements by thinner, lightweight equivalents. However …

Thermal detectors are a cornerstone of infrared and terahertz technology due to their broad
spectral range. These detectors call for efficient absorbers with a broad spectral response …