Resonant and non-resonant phenomena in grating based photonic structures were
investigated as biological and biochemical sensors particularly for water contaminants …

New investigations are carried out on the optical spectral response of grating based
nanophotonic structures and their sensitivity to refractive index variations of a liquid like …

Highlights•We discuss the performance of different nanophotonic biosensors.•We discuss
the advantages that nanophotonic label-free biosensors confer over standard …

Resonant-based sensors are attractive optical structures due to the easy detection of shifts
in the resonance location in response to variations in the analyte refractive index (RI) in …

Reflecting gratings with narrow grooves exhibit multiple electromagnetic modes. Using a
simple setup, surface plasmon (SP), cavity mode (CM) resonance shift, surface-enhanced …

Most biomedical applications are based on the light–matter interaction; the measurement of
absorption, scattering or fluorescence at the visible and near visible region of the …

Photonics has been employed as a powerful tool in biological and chemical detection for
many years. Compared to other sensing technologies, the sensing transduction signal from …

Dielectric grating-based sensors are usually based on the guided mode resonance (GMR)
obtained using a thin planar waveguide layer (PWL) adjacent to a thin subwavelength …

In this work, analytical modeling and parameter evaluation of a photonic biosensor using
cascaded silicon grating waveguides is illustrated. The sensor design consists of two …

Using nanofabricated hybrid metal–dielectric nanohole array photonic crystal gratings, a
hybrid plasmonic optical resonance spectrometer biosensor is demonstrated. The new …