Topology optimization (TopOpt) methods for inverse design of nano-photonic systems have
recently become extremely popular and are presented in various forms and under various …

Photonic devices play an increasingly important role in advancing physics and engineering.
Although improvements in nanofabrication and computational methods have driven …

Conventional human-driven methods face limitations in designing complex functional
metasurfaces. Inverse design is poised to empower metasurface research by embracing fast …

By codesigning a metaoptical front end in conjunction with an image-processing back end,
we demonstrate noise sensitivity and compactness substantially superior to either an optics …

Increasing the refractive index available for optical and nanophotonic systems opens new
vistas for design, for applications ranging from broadband metalenses to ultrathin …

We develop a computational framework for identifying bounds to light–matter interactions,
originating from polarization-current-based formulations of local conservation laws …

We present a method based on the scattering T operator, and conservation of net real and
reactive power, to provide physical bounds on any electromagnetic design objective that can …

Scattering theory is the basis of all linear optical and photonic devices, whose spectral
response underpins wide-ranging applications from sensing to energy conversion. Unlike …

Modern nanophotonic and meta-optical devices utilize a tremendous number of structural
degrees of freedom to enhance light–matter interactions. A fundamental question is how …

Nearly all practical applications of the theory of characteristic modes (CMs) involve the use
of computational tools. This article is the second in a series of five on CM–. Here, we review …