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 …

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

High-index dielectric nanostructures support inherently strong magnetic dipole (MD)
resonances at optical frequencies with minimal dissipative absorptions. They are promising …

We report a waveguide-enhanced Raman spectroscopy (WERS) platform with alignment-
tolerant under-chip grating input coupling. The demonstration is based on a 100-nm thick …

Photonic chip-based methods for spectroscopy are of considerable interest due to their
applicability to compact, low-power devices for the detection of small molecules. Waveguide …

Research into diagnostic biosensors is a vibrant field that combines scientific challenge with
translational opportunities; innovation in healthcare is of great societal interest and is an …

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 …

The Raman scattering of light by molecular vibrations is a powerful technique to fingerprint
molecules through their internal bonds and symmetries. Since Raman scattering is weak …