We demonstrate a new type of on-chip Bragg grating designed to possess multiple
stopbands at predetermined wavelengths. By employing sidewall modulation to control the …

An optical true time delay line (OTTDL) is an essential component in optical signal
processing. A Bragg grating structure is usually employed in OTTDL design, which makes it …

We present a novel broadband continuously tunable microwave photonic delay line
consisting of a modulator, a four-stage microring resonator delay line, a tunable optical …

We demonstrate high-fidelity optical arbitrary waveform generation with 5 GHz waveform
switching via time-domain multiplexing. Compact, integrated waveform shapers based on …

Programmable photonic circuits are dense assemblies of waveguide meshes in which the
flow of light can be reconfigured by software to implement a wide variety of functions …

Arrayed waveguide gratings provide flexible spectral filtering functionality for integrated
photonic applications. Achieving narrow channel spacing requires long optical path lengths …

We experimentally demonstrate a silicon photonic Mach-Zehnder modulator (MZM) assisted
by phase-shifted Bragg gratings. Coupled resonators are inserted in the Bragg grating …

We demonstrate an integrated tunable optical delay line in grating-assisted contradirectional
couplers using a CMOS-compatible photonic technology. The input signal is delayed …

We present a number of compact wavelength-selective elements implemented in silicon-on-
insulator (SOI) photonic wires. These include arrayed waveguide gratings (AWGs), Mach …

Limited by large transmission loss, the development of transverse electric (TE) mode silicon-
on-insulator (SOI) based on-chip long length chirped grating waveguide faces many …