We proposed and experimentally demonstrated an ultra-broadband on-chip microwave
photonic processor that can operate both as RF phase shifter (PS) and true-time-delay (TTD) …

In this, we propose a novel design of a silicon photonic modulator that has a high
modulation efficiency and that is tolerant to temperature variations. A series of phase-shifted …

Actively controllable dispersion in on-chip photonic devices is challenging to implement
compared with free space optical components where mechanical degrees of freedom can …

A cladding-modulated 1D photonic crystal is realized for creating ultra-large dispersion on a
silicon chip. Both normal dispersion and anomalous dispersion are realized on the same …

High-speed and tunable integrated optical delay lines are demonstrated based on silicon
grating waveguides apodized by the super-Gaussian function. The submicron channel …

We propose a simple photonic waveguide structure that exhibits light propagation modes
with vanishing group velocity via mode degeneracy. This enables stationary inflection point …

Optical delay lines control the flow of light in time, introducing phase and group delays for
engineering interferences and ultrashort pulses. Photonic integration of such optical delay …

Rapid and continuous tunability of time delay is a crucial functionality for radio frequency
(RF) photonic signal processing systems. Recent developments in photonic integration have …

We demonstrate an integrated spectral shaper based on a Sagnac loop incorporating a
chirped Bragg grating in silicon photonics for the photonic generation of chirped microwave …

An integrated high-order phase-shifted Bragg grating, comprising six quarter-wave sections
between Bragg grating mirrors in a laterally-corrugated strip waveguide has been realized in …