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 …

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 …

Nanophotonic devices can provide solutions to challenges in energy conversion,
information technologies, chemical or biological sensing, quantum computing, and secure …

Periodic structures with a sub‐wavelength pitch have been known since Hertz conducted his
first experiments on the polarization of electromagnetic waves. While the use of these …

Applying intelligence algorithms to conceive nanoscale meta-devices becomes a flourishing
and extremely active scientific topic over the past few years. Inverse design of functional …

We report on the experimental demonstration and analysis of a new waveguide principle
using subwavelength gratings. Unlike other periodic waveguides such as line-defects in a …

A silicon-on-insulator-based adiabatic waveguide taper with a high coupling efficiency and
small footprint is presented. The taper was designed to reduce the incidence of mode …

On the basis of the Jones matrix, independent control over the amplitude and phase of light
has been demonstrated by combining several meta‐atoms into the supercell of a …

We propose a new method for mode conversion and coupling between an optical fiber and
a sub-micrometer waveguide using a subwavelength grating (SWG) with a period less than …