Nanostructured surfaces with designed optical functionalities, such as metasurfaces, allow
efficient harvesting of light at the nanoscale, enhancing light–matter interactions for a wide …

With the advances in the field of plasmonics, techniques for trapping and localizing light
have become more feasible at the nanoscale. Several works have shown that plasmonics …

In this paper, using a deep neural network and a genetic algorithm, an optimized digital
metasurface is designed to trap sunlight in thin-film solar cells. The deep neural network is …

Imaging subwavelength features of an object is in close relationship with extracting
information included in evanescent waves scattered from the object. These evanescent …

In this paper, a new method is proposed to trap sunlight in the active layer of thin film solar
cells. In the proposed technique, multi-scale photonic topological insulators (PTI) realized by …

Reflective loss is one of the main factors contributing to power conversion efficiency
limitation in thin-film perovskite solar cells. This issue has been tackled through several …

In this paper, an integrated optical device is proposed in which a reflective meta-lens and
five switchable nano-antennas are combined to provide optical beam steering at the …

Designing invisibility cloaks has always been one of the most fascinating fields of research;
in this regard, metasurface-based carpet cloaks have drawn researchers' attention due to …

Tunable metasurfaces enable us to dynamically control light at subwavelength scales. Here,
using phase change materials and transparent graphene heaters, a new structure is …

Although the ability of metasurfaces to control electromagnetic wavefronts has made it
possible to design ultrathin carpet cloaks, the narrow operation bandwidth limits the …