Sasan Fathpour

Electrical control of parametric processes in silicon waveguides.

Energy harvesting in silicon optical modulators.

Energy harvesting in silicon wavelength converters.

Effects of the surrounding medium on the optical properties of a subwavelength aperture.

Electronically tunable silicon photonic delay lines.

Complementary apodized grating waveguides for tunable optical delay lines.

Submicron optical waveguides and microring resonators fabricated by selective oxidation of tantalum.

Demonstration of complementary apodized cascaded grating waveguides for tunable optical delay lines.

Demonstration of tunable optical delay lines based on apodized grating waveguides.

Heterogeneous lithium niobate photonics on silicon substrates.

Tight control of light beams in photonic crystals with spatially-variant lattice orientation.

Heterogeneous microring and Mach-Zehnder modulators based on lithium niobate and chalcogenide glasses on silicon.

Two-photon photovoltaic effect in gallium arsenide.

Low-loss and high index-contrast tantalum pentoxide microring resonators and grating couplers on silicon substrates.