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 …

Bandwidth-tunable filters are essential in elastic optical networks for dynamic bandwidth
allocation. Existing solutions in silicon photonics face challenges to meet requirements in …

We propose the use of slow-light, band-edge waveguides for compact, integrated, tunable
optical time delays. We show that slow group velocities at the photonic band edge give rise …

We report the first (to our knowledge) demonstration of photonic chip based tunable slow
and fast light via stimulated Brillouin scattering. Slow, fast, and negative group velocities …

We provide an overview of recent work on developing integrated microwave photonic
subsystems in silicon photonics for generating chirped microwave waveforms as well as for …

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 demonstrate optically tunable delays in a silicon-on-insulator planar waveguide based
on slow light induced by stimulated Raman scattering (SRS). Inside an 8-mm-long …

We demonstrate a reverse design method for realizing a broad range of optical filters based
on integrated optical waveguides and experimentally verify example designs on a CMOS …

A silicon-based digitally tunable positive/negative dispersion controller (DC) is proposed
and realized for the first time using the cascaded bidirectional chirped multimode waveguide …