Abstract: A display includes a waveguide having a surface, a primary electrode overlying the surface of the waveguide, a secondary electrode overlapping at least a portion of the primary electrode, and a light input coupling element disposed between the primary electrode and the secondary electrode, wherein the light input coupling element comprises an organic solid crystal metasurface.

Abstract: Techniques are described for improved eye-tracking through the combination of multiple sensor modalities. Embodiments of the present disclosure may include a wearable device (e.g., artificial-reality device) comprising an eye-tracking module that tracks the positions of either or both of the wearer's eyes based on image data of the eye(s) in addition to other sensor data. The additional sensor data may include, for instance, a depth sensor, an inertial sensor, a face-tracking system, or combinations thereof.

Abstract: A photonic integrated circuit (PIC) includes an organic solid crystal (OSC) material layer, the OSC material layer having a substrate portion and a raised optical element integral with and extending from the substrate portion. The raised optical element may include a passive or active component of the photonic integrated circuit.

Abstract: Augmented and/or virtual reality (AR/VR), near-eye display devices that implement eye tracking via dense point cloud scanning are disclosed. In examples, an eye tracking system for an augmented reality/virtual reality (AR/VR) display device comprises a light beam emission and sensor element located in a first location of the display device to emit a light beam. The eye tracking system may comprises a redirection element located in a second location of the display device to redirect the light beam to illuminate one of line-of-sight and a field-of-view (FOV) of the display device.

Abstract: An optical element includes a substrate and a metasurface located over a surface of the substrate. The metasurface may include an organic solid crystal material. A related display includes a waveguide, and a light input coupling element disposed on a surface of the waveguide, where the light input coupling element includes an organic solid crystal metasurface.

Abstract: An organic thin film includes an organic crystalline phase, where the organic crystalline phase defines a surface having a surface roughness (Ra) of less than approximately 10 micrometers over an area of at least approximately 1 cm2. The organic thin film may be manufactured from an organic precursor and a non-volatile medium material that is configured to mediate the surface roughness of the organic crystalline phase during crystal nucleation and growth. The thin film may be formed using a suitably shaped mold, for example, and the non-volatile medium material may be disposed between a layer of the organic precursor and the mold during processing.

Abstract: A lighting assembly may include a light source and a reflective polarizer overlapping the light source. A portion of light that is incident on the reflective polarizer may not pass through the reflective polarizer and may be reflected back to the light source. The light source may include at least one of a light emitting diode (LED), a micro-LED, an organic light emitting diode (OLED), a micro-OLED, a liquid crystal on silicon (LCoS), or an fLCoS light source. The reflective polarizer may include a polymer birefringent multilayer structure of alternating first layers and second layers. The first layers may each include an isotropic polymer thin film the second layers each include an anisotropic polymer thin film. Various other devices, systems, and methods are also disclosed.

Abstract: The disclosed apparatus may include an optical modulator including a first layer with at an organic layer and/or an organometallic layer; and a second layer with an extrinsic semiconductor layer and/or an electrode layer. Various other apparatuses and systems are also disclosed.

Abstract: A multilayer reflective polarizer includes a layer of a birefringent organic solid crystal, where the birefringent organic solid crystal has a refractive index of at least approximately 1.5 and a birefringence of at least approximately 0.1. The multilayer reflective polarizer may be configured to include alternating layers of a birefringent organic solid crystal material and a secondary material layer selected from an amorphous polymer, an inorganic amorphous compound, a liquid crystal, and an OSC material. The refractive index of the birefringent organic solid crystal layer(s) may be modified through the application of an applied voltage, current, or stress.

Abstract: An optical element includes a substrate and a metasurface located over a surface of the substrate. The metasurface may include an organic solid crystal material. A related display includes a waveguide, and a light input coupling element disposed on a surface of the waveguide, where the light input coupling element includes an organic solid crystal metasurface.

Abstract: A light-emitting device includes a light-emitting diode having an emissive surface, and a capping layer including an organic solid crystal overlying the emissive surface. The refractive index of the organic solid crystal may be tuned such as through the application of a voltage, current, or stress to improve the light extraction efficiency of the device.

Abstract: A MEMS-based vertical cavity surface emitting laser (VCSEL) includes an embedded photodiode. A representative VCSEL includes a distributed Bragg reflector (DBR), a photodiode structure located within the distributed Bragg reflector, an active region overlying the distributed Bragg reflector, and a MEMS upper reflector disposed over the active region. The VCSEL may be configured as an optical sensor. The laser cavity and hence a working wavelength of the sensor may be tuned by modulating the MEMS reflector such as through an applied voltage.

Abstract: A device includes an active laser medium operative to emit spatially coherent light of a predetermined wavelength along an optical axis, first and second mirrors aligned with the optical axis and defining a resonant cavity enclosing the active laser medium, and a modulator including an organic solid crystal disposed along the optical axis between the first and second mirrors and configured to change a polarization state of the emitted light.

Abstract: A method of forming a high voltage optical transformer includes forming a via through a transparent carrier wafer, forming a conductive layer within the via, bonding a solid state lighting (SSL) package to a first side of the carrier wafer, and bonding a photovoltaic (PV) wafer to a second side of the carrier wafer opposite to the first side. The photovoltaic wafer may include an active area and a conductive area located outside of the active area that is in electrical contact with the conductive layer. The method further includes forming both an SSL contact with the solid state lighting package and a PV contact with the conductive layer on the same side of the carrier wafer.

Abstract: An optical diffraction grating includes a layer of organic solid crystal (OSC) material, an input photonic element configured to couple an input beam to the organic solid crystal material, and an output photonic element configured to receive an output beam from the organic solid crystal material. An applied voltage may be used to control the refractive index of the OSC material and accordingly tune the operation of the optical diffraction grating.

Abstract: An optical modulator includes an active layer of an organic solid crystalline phase, a primary electrode disposed over a first portion of the active layer, and a secondary electrode disposed over a second portion of the active layer, where an optical property of the active layer is configured to have a first value along a chosen direction in a first biased state and a second value along the chosen direction in a second biased state.

Abstract: A birefringent organic thin film includes mutually orthogonal in-plane refractive indices (nx and ny) and a through thickness refractive index (nz), where nx>1.4, ny?1.4, nz>1.4, Dnxy?0.1, Dnxz<0.01, and Dnyz<0.01. Optical properties including refractive index and birefringence may be continuously tuned by applying a voltage across the birefringent organic thin film.

Abstract: A photonic integrated circuit (PIC) includes an organic solid crystal (OSC) material layer, the OSC material layer having a substrate portion and a raised optical element integral with and extending from the substrate portion. The raised optical element may include a passive or active component of the photonic integrated circuit.

Abstract: An organic thin film includes an organic crystalline phase, where the organic crystalline phase defines a surface having a surface roughness (Ra) of less than approximately 10 micrometers over an area of at least approximately 1 cm2. The organic thin film may be manufactured from an organic precursor and a non-volatile medium material that is configured to mediate the surface roughness of the organic crystalline phase during crystal nucleation and growth. The thin film may be formed using a suitably shaped mold, for example, and the non-volatile medium material may be disposed between a layer of the organic precursor and the mold during processing.

Abstract: A method of forming a high voltage optical transformer includes forming a via through a transparent carrier wafer, forming a conductive layer within the via, bonding a solid state lighting (SSL) package to a first side of the carrier wafer, and bonding a photovoltaic (PV) wafer to a second side of the carrier wafer opposite to the first side. The photovoltaic wafer may include an active area and a conductive area located outside of the active area that is in electrical contact with the conductive layer. The method further includes forming both an SSL contact with the solid state lighting package and a PV contact with the conductive layer on the same side of the carrier wafer.