In this review, we summarize and discuss our recent studies of subwavelength grating
(SWG) structures for engineering the refractive index of silicon microphotonic waveguides …

It is a remarkable and straightforward approach to customize the dispersion and nonlinear
properties of the photonic devices without varying the composition of the material by …

We use subwavelength gratings (SWGs) to engineer the refractive index in microphotonic
waveguides, including practical components such as input couplers and multiplexer circuits …

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 …

Standard silicon photonic strip waveguides offer a high intrinsic refractive index contrast; this
permits strong light confinement, leading to compact bends, which in turn facilitates the …

Subwavelength grating (SWG) waveguides in silicon-on-insulator are emerging as an
enabling technology for implementing compact, high-performance photonic integrated …

We present several fundamental photonic building blocks based on suspended silicon
waveguides supported by a lateral cladding comprising subwavelength grating …

As most integrated optics platforms, silicon offers only a fixed set of material refractive
indices for designing devices. The ability of sub-wavelength patterned structures to …

We report on the design, simulation and experimental demonstration of a new type of
waveguide crossing based on subwavelength gratings in silicon waveguides. We used 3D …

Silicon is the most ubiquitous material in the electronics industry, and is now expected to
revolutionize photonics. In just over ten years, silicon photonics has become a key …