The ability to detect and image short‐wave infrared light has important applications in
surveillance, autonomous navigation, and biological imaging. However, the current infrared …

Electrically reconfigurable nonlinear metasurfaces provide dynamic control over nonlinear
phenomena such as second-harmonic generation (SHG), unlocking novel applications in …

The quest of a nonlinear optical material that can be easily nanostructured over a large
surface area is still ongoing. Here, we demonstrate a nanoimprinted nonlinear barium …

Nonlinear dielectric metasurfaces provide a promising approach to control and manipulate
frequency conversion optical processes at the nanoscale, thus facilitating both advances in …

High-refractive-index nanostructures offer versatile opportunities for nonlinear optical effects,
due to their ability to strongly confine field into a subwavelength scale. Herein, we propose a …

This paper investigates a remarkable second harmonic generation (SHG) conversion
efficiency with high effective nonlinear susceptibility based on metasurface, and the …

Owing to the inherent advantages of parallelism, rapid processing speed, and minimal
energy consumption, optical analog computing has witnessed a progressive development …

Enhancing the light-matter interaction with high-Q bound states in the continuum has
aroused great interest. In our paper, we present an all-dielectric metasurfaces in the realm of …

The nonlinear lithium niobate (LiNbO_3), characterized by transparency across a broad
spectral range from ultraviolet to mid-infrared, stands out as an ideal material for second …

Second harmonic generation plays a vital role in frequency conversion which mutually
promotes the laser technology and allows the wavebands extension of new coherent …