Diffraction drastically limits the bit density in optical data storage. To increase the storage
density, alternative strategies involving supplementary recording dimensions and robust …

Digital color imaging relies on spectral filters on top of a pixelated sensor, such as a CMOS
image sensor. An important parameter of imaging devices is their resolution, which depends …

Deep learning is a promising, ultra-fast approach for inverse design in nano-optics, but
despite fast advancement of the field, the computational cost of dataset generation, as well …

We demonstrate inverse design of plasmonic nanoantennas for directional light scattering.
Our method is based on a combination of full-field electrodynamical simulations via the …

The rigorous coupled-wave analysis (RCWA), also known as Fourier modal method, is one
of the most popular methods for the modeling of diffraction gratings. It has been proven to be …

A visible light depth modulation based on a metasurface consisting of TiO_2 nanorings and
SiO_2 substrate is proposed to significantly enhance the saturation and structural colors' …

We propose a metamodel-based optimization technique to tailor the chromatic response of
high-contrast-index gratings. The algorithm, which couples a population-based …

A novel approach is proposed for generating reflective angle-insensitive structural colors
with high purity, high brightness, and a wide color gamut in an asymmetric Fabry-Perot …

The traditional design of metamaterials requires a large amount of prior knowledge in
electromagnetism and is time-consuming and labour-intensive, but these challenges can be …

The NN (neural network)-PSO (particle swarm optimization) method is demonstrated to be
able to inversely extract the coating parameters for the multilayer nano-films through a …