Abstract: A plasmonic device including a support layer extending along a first direction and a second direction, an insulating layer on the support layer, and a plasmonic layer on the insulating layer and defining a cavity extending along the first direction, the cavity having a three-dimensionally (3D) tapered structure and being configured to propagate an electromagnetic field along the first direction and to concentrate the electromagnetic field at a tip of the cavity, wherein the support layer, the insulating layer, and the plasmonic layer define an opening therein, the opening being at the tip of the cavity and being configured to pass-through target molecules of a solution present on the plasmonic layer.

Abstract: An electronic device including a light source and a detector are provided. The light source includes an electromagnetic spectral emission source configured to output an electromagnetic spectral emission, a polarization optical element configured to polarize the electromagnetic spectral emission, a collimation optical element configured to focus or collimate the electromagnetic spectral emission into narrow or tight beam to reduce diffusion, and a diffractive optical element configured to separate the electromagnetic spectral emission into a predetermined arrangement.

Abstract: An image sensor includes polarizing filters and spectral filters that provide on-chip simultaneous full Stokes polarization parameters (both linear and circular polarization) and multi/hyper spectral imaging. A polarizing filter polarizes incident light into a predetermined linear direction. The light-polarizing filter includes a wire grid and an array of phase-modulating nanostructures. The wire grid includes at least one wire that includes a series of metal-insulator-metal wire structures. The array of phase-modulating nanostructures is formed on the wire grid and changes a phase of the incident light a predetermined amount. A phase-modulating nanostructure is a high-dielectric-index nanostructure that changes of incident light based on a first width and a second width of the phase-modulating nanostructure in which the first width is perpendicular to the second width.

Abstract: A thin-film optical device disclosed herein includes a metalens able to modulate the phase of incident light. The metalens includes a thin-film layer having a first index of refraction, an embedded layer within the thin-film layer, and the embedded layer having a second index of refraction greater than or equal to 1.5 and less than or equal to 3.0 times the first index of refraction. The embedded layer may fill a plurality of holes formed on the thin film layer, with the depth, width, and spacing of holes all contribute to modulating the phase of light traveling through the metalens.

Abstract: The present example embodiment relates generally to creating a specific nanostructure on a substrate to improve the angle independence of a surface plasmon resonance mode. It may comprise a metamaterial structure comprising nanostructures located in a pattern on or within a substrate. The nanostructures may be paraboloid shaped and periodic.

Abstract: An image sensor includes polarizing filters and spectral filters that provide on-chip simultaneous full Stokes polarization parameters (both linear and circular polarization) and multi/hyper spectral imaging. A polarizing filter polarizes incident light into a predetermined linear direction. The light-polarizing filter includes a wire grid and an array of phase-modulating nanostructures. The wire grid includes at least one wire that includes a series of metal-insulator-metal wire structures. The array of phase-modulating nanostructures is formed on the wire grid and changes a phase of the incident light a predetermined amount. A phase-modulating nanostructure is a high-dielectric-index nanostructure that changes of incident light based on a first width and a second width of the phase-modulating nanostructure in which the first width is perpendicular to the second width.

Abstract: IOP sensors and IOP measurement algorithms are disclosed herein. Examples of the IOP measurement algorithm can include a signal demodulation and artificial neural network algorithm to produce reliable results using minimal computational resources. The overall accuracy and speed of the IOP sensors and measurement algorithms enable their implementation in home-based IOP measurement systems.