Autonomous underwater vehicle plays a more and more important role in the exploration of
marine resources. Path planning and obstacle avoidance is the core technology to realize …

The refractive-lens technique has been well developed over a long period of evolution,
offering powerful imaging functionalities, such as microscopes, telescopes, and …

Flat lenses, including metalens and diffractive lens, have attracted increasing attention due
to their ability to miniaturize the imaging devices. However, realizing a large scale …

In recent years, metasurfaces have emerged as revolutionary tools to manipulate the
behavior of light at the nanoscale. These devices consist of nanostructures defined within a …

Optimization techniques have been indispensable for designing high-performance meta-
devices targeted to a wide range of applications. In fact, today optimization is no longer an …

The proliferation of wireless services is driving innovative phased array solutions that are
able to provide better cost/performance tradeoffs. In this context, the use of irregular array …

Optical metasurfaces, planar subwavelength nanoantenna arrays with the singular ability to
sculpt wavefront in almost arbitrary manners, are poised to become a powerful tool enabling …

In electromagnetics, optimization problems generally require high computational resources
and involve a large number of unknowns. They are usually characterized by non-convex …

Evolving from metamaterials, optical metasurfaces not only inherit their unprecedented
flexibility in tailoring light–matter interaction but also the generally fixed response …

A new type of nature-inspired global optimization methodology based on atmospheric
motion is introduced. The proposed Wind Driven Optimization (WDO) technique is a …