In this paper, a novel multimode waveguide implemented on a silicon‐on‐insulator (SOI)
platform that supports several transverse (TE)/transverse magnetic (TM) modes across a …

Polarization independent silicon-on-insulator nanowires are highly sought after, due the
inherent high birefringence of this material platform. State-of-the-art designs of non …

Segmenting silicon waveguides at the subwavelength scale produce an equivalent
homogenous material. The geometry of the waveguide segments provides precise control …

High-index contrast silicon waveguides exhibit strong birefringence that hinders the
development of polarization-insensitive devices, especially for sub-micrometer silicon layer …

Integrated metamaterials are redefining the capabilities of silicon photonic chips. In
providing lithographic control over dielectric permittivity, dispersion and anisotropy, they are …

Graded‐index materials offer virtually complete control over light propagation in integrated
photonic chips but can be challenging to implement. Here, an anisotropic graded‐index …

We propose two designs of low-loss and temperature-insensitive single-mode waveguide
crossing on silicon-on-insulator (SOI) platform with 415-nm operation bandwidth covering all …

Subwavelength grating metamaterials have become an integral design tool in silicon
photonics. The lithographic segmentation of integrated waveguides at the subwavelength …

We present perfectly vertical grating couplers for the 220 nm silicon-on-insulator platform
incorporating subwavelength metamaterials to increase the minimum feature sizes and …

Subwavelength grating (SWG) metamaterial waveguides and ring resonators on a silicon
nitride platform are proposed and demonstrated. The SWG waveguide is engineered such …