We use a genetic algorithm to optimize periodic arrays of truncated square-based pyramids
made of alternating stacks of metal/dielectric layers. The objective is to achieve broadband …

We use a genetic algorithm to optimize broadband absorption by 2-D periodic arrays of
pyramidal structures made of one, two or three stacks of nickel/poly (methyl …

We use a genetic algorithm to optimize 2-D periodic arrays of truncated square-based
pyramids made of successive stacks of metal/dielectric layers. The objective is to achieve a …

Complete absorption of electromagnetic waves is paramount in today's applications, ranging
from photovoltaics to cross-talk prevention into sensitive devices. In this context, we use a …

We present aperiodic multilayer structures with ultrabroadband near-perfect absorption in
the visible and near-infrared wavelength range. We use a hybrid optimization algorithm …

In recent years, ultra-wideband perfect absorbers (UWPAs) based on metamaterial
nanostructures have been widely studied due to their excellent performance. However …

We present a new method based on Weierstrass factorization to optimize broadband perfect
absorber (BPA) made of metal-dielectric-metal elements, which is an efficient and general …

A broad-band perfect absorber composing a two-dimensional periodic metal-dielectric-metal
sandwiches array on dielectric/metal substrate is designed and numerically investigated. It is …

This thesis presents design and analyses of compact and effective nano-optical couplers
and absorbers based on photonic crystals. Single-input and double-input nano-optical …

Plasmonic structures based on stacked layers of metal and dielectric materials excel as
broadband absorbers because of the nonlinear relationship between the compound …