We report on the experimental demonstration of ultrafast all-optical switching and
wavelength down-conversion based on a novel nonlinear Mach-Zehnder interferometer with …

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

The performance of multimode interference (MMI) couplers in silicon waveguides is limited
by the high lateral refractive index contrast. Here we propose the use of subwavelength …

Subwavelength grating (SWG) metamaterials have garnered a great interest for their
singular capability to shape the material properties and the propagation of light, allowing the …

Controlling the group velocity dispersion of silicon nanophotonic waveguides has been
recognized as a key ingredient to enhance the development of various on-chip optical …

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

We report on two edge-coupling and power splitting devices for hybrid integration of III-V
lasers with sub-micrometric silicon-on-insulator waveguides. The proposed devices relax …

We demonstrate contradirectional couplers in silicon-on-insulator rib waveguides using a
CMOS compatible technology, in which a periodic dielectric perturbation is introduced in the …

Miniaturized silicon photonics spectrometers capable of detecting specific absorption
features have great potential for mass market applications in medicine, environmental …

On-chip polarization manipulation is pivotal for silicon-on-insulator material platform to
realize polarization-transparent circuits and polarization-division-multiplexing transmissions …