The growing maturity of nanofabrication has ushered massive sophisticated optical
structures available on a photonic chip. The integration of subwavelength-structured …

Recent advancements in computational inverse-design approaches—algorithmic
techniques for discovering optical structures based on desired functional characteristics …

The ideal material for nanophotonic applications will have a large refractive index at optical
frequencies, respond to both the electric and magnetic fields of light, support large optical …

In the late nineteenth century, Heinrich Hertz demonstrated that the electromagnetic
properties of materials are intimately related to their structure at the subwavelength scale by …

Data inconsistency leads to a slow training process when deep neural networks are used for
the inverse design of photonic devices, an issue that arises from the fundamental property of …

The prospect of creating metamaterials with optical properties greatly exceeding the
parameter space accessible with natural materials has been inspiring intense research …

We show that silicon-based metagratings capable of large-angle, multifunctional
performance can be realized using inverse freeform design. These devices consist of …

Silicon photonics is an enabling technology that provides integrated photonic devices and
systems with low-cost mass manufacturing capability. It has attracted increasing attention in …

Recently, there has been an explosion of interest in metalenses for imaging. The interest is
primarily based on their subwavelength thicknesses. Diffractive gratings have been used as …

Nanophotonics has been an active research field over the past two decades, triggered by
the rising interests in exploring new physics and technologies with light at the nanoscale. As …