We propose a refractive index sensor, based on grating-assisted directional coupler by,
comprising of two coupled asymmetric strip waveguides with a top-loaded grating structure …

We present the design and simulated characteristics of a highly sensitive refractive index
sensor based on two coupled asymmetric strip waveguides with a top-loaded grating …

An optical sensor based on grating-assisted light coupling between a strip waveguide and a
slot waveguide is demonstrated (the sensor was proposed and analyzed in [Opt. Express21 …

In this paper, we present a design of a refractive index sensor based on grating-assisted
light coupling between a strip waveguide and a slot waveguide. The slot waveguide serves …

We propose a high efficiency apodized grating coupler with a bottom reflector for silicon
nitride photonic integrated circuits. The reflector consists of a stack of alternate silicon nitride …

The transformation of nanophotonic sensors from laboratory-based demonstrations to a
portable system to ensure widespread applicability in everyday life requires their integration …

A highly sensitive refractive index sensor with normally incident optical geometry was
experimentally demonstrated using dual resonance in a subwavelength grating (SWG) on a …

In this research, we demonstrate a high-sensitivity integrated silicon nitride long period
grating (LPG) refractometer based on a rib waveguide with sinusoidally modulated width …

A highly sensitive integrated photonic transducer is designed by utilizing asymmetric long-
period gratings on a silicon waveguide. These gratings are formed by periodic perturbation …

The geometrical and physical parameters of phase-shifted sidewall Bragg gratings in a
silicon slot waveguide are optimized to possess performance characteristics desirable for …