Silicon photonics is an enabling technology that provides integrated photonic devices and
systems with low-cost mass manufacturing capability. It has attracted increasing attention in …

Waveguide-enhanced Raman spectroscopy (WERS) exploits the electromagnetic
enhancement that can be achieved at the surface of suitably designed waveguides to …

The unique ability of slot and sub-wavelength grating (SWG) waveguides to confine light
outside of the waveguide core material has attracted significant interest in their application to …

Waveguide enhanced Raman spectroscopy (WERS) utilizes simple, robust, high-index
contrast dielectric waveguides to generate a strong evanescent field, through which laser …

Silicon nitride (SiN) is used extensively to complement the standard silicon photonics
portfolio. However, thus far demonstrated light sources and detectors on SiN have …

Portable and cost-effective gas sensors are gaining demand for a number of environmental,
biomedical, and industrial applications, yet current devices are confined into specialized …

Nanophotonic waveguide enhanced Raman spectroscopy (NWERS) is a sensing technique
that uses a highly confined waveguide mode to excite and collect the Raman scattered …

We report the measurement of waveguide-enhanced Raman spectra from trace
concentrations of four vapor-phase chemical warfare agent simulants: dimethyl …

Waveguide-enhanced Raman spectroscopy (WERS) is a promising technique for sensitive
and selective detection of chemicals in a compact chip-scale platform. Coupling light on and …

In the past decade, there has been tremendous progress in using subwavelength-scale
nanostructures with elaborately designed periodic and disordered photonic materials for …