Nonlinear silicon photonics
Silicon photonics is a technology based on fabricating integrated optical circuits by using the
same paradigms as the dominant electronics industry. After twenty years of fervid …
same paradigms as the dominant electronics industry. After twenty years of fervid …
Front-induced transitions
Refractive index fronts propagating in waveguides are special spatiotemporal perturbations.
The interaction of light with such fronts can be described in terms of an indirect transition …
The interaction of light with such fronts can be described in terms of an indirect transition …
Optical tweezing of microparticles and cells using silicon-photonics-based optical phased arrays
Integrated optical tweezers have the potential to enable highly-compact, low-cost, mass-
manufactured, and broadly-accessible optical manipulation when compared to standard …
manufactured, and broadly-accessible optical manipulation when compared to standard …
External vs. integrated light sources for intra-data center co-packaged optical interfaces
Co-packaging of optics and electronics for data center switches has been proposed to
reduce system-level power consumption by minimizing power-hungry electrical …
reduce system-level power consumption by minimizing power-hungry electrical …
Infrared chemical imaging through non-degenerate two-photon absorption in silicon-based cameras
Chemical imaging based on mid-infrared (MIR) spectroscopic contrast is an important
technique with a myriad of applications, including biomedical imaging and environmental …
technique with a myriad of applications, including biomedical imaging and environmental …
Enhancing adjoint optimization-based photonic inverse design with explainable machine learning
A fundamental challenge in the design of photonic devices, and electromagnetic structures
more generally, is the optimization of their overall architecture to achieve a desired …
more generally, is the optimization of their overall architecture to achieve a desired …
Nonlinear carrier dynamics in silicon nano-waveguides
The understanding of free-carrier dynamics in silicon photonic nano-waveguides and micro-
cavities is fundamental to several nonlinear optical phenomena. Through time-resolved …
cavities is fundamental to several nonlinear optical phenomena. Through time-resolved …
Reflection from a free carrier front via an intraband indirect photonic transition
The reflection of light from moving boundaries is of interest both fundamentally and for
applications in frequency conversion, but typically requires high pump power. By using a …
applications in frequency conversion, but typically requires high pump power. By using a …
Highly sensitive detection of infrared photons by nondegenerate two-photon absorption under midinfrared pumping
We demonstrate highly sensitive photon counting in the infrared region based on two-
photon absorption (2PA) in a silicon avalanche photodiode, where the required photon …
photon absorption (2PA) in a silicon avalanche photodiode, where the required photon …
Optical free-carrier generation in silicon nano-waveguides at 1550 nm
We report on time-resolved pump and probe characterization of linear and nonlinear optical
generation of free carriers in a silicon strip nano-waveguide at the 1550 nm communication …
generation of free carriers in a silicon strip nano-waveguide at the 1550 nm communication …