The present disclosure describes quantum dot film based demodulation structures and optical ranging systems including an array of QDF demodulation structures.

The present invention relates to an optocoupler including a light source having a body and electrical leads, a light detector having a diode stack a metal end cap and electrical leads, and an optical cavity including optically transparent material at least partially covering the body of the light source and the diode stack of the light detector. Also included is a reflective layer including optically reflective material surrounding the optical cavity. The electrical leads of the light source, the metal end cap and the electrical leads of the light detector protrude from the optical cavity and the reflective layer.

A device for improving the ohmic contact between a front side contact and a doped layer of a wafer solar cell that includes a front side, a rear side and a rear side contact. The front side and/or the rear side contact are strips or grids. The device includes: a contacting unit for contacting the front or rear side contact; a further contacting unit for contacting the other contact; a voltage source having one pole for connection to the contact unit and another pole for connection to the further contacting unit; and a point light source to illuminate the front or rear side. The further contacting unit includes: an optically transparent material, coated using an optically transparent, electrically conductive layer; or an optically transparent material having microscopically-thin wires; or an optically transparent, electrically conductive material having microscopically-thin wires; or a mesh or a network made up of microscopically-thin wires.

A detection device includes a photoelectric conversion portion in which a plurality of photodiodes are arranged in a planar shape, a light source configured to irradiate the photodiodes with light, and a heating electrode provided so as to face the photoelectric conversion portion, and configured to generate heat and conduct the heat to the photoelectric conversion portion.

An optical receiver module includes a light receiving element that has a first electrode and a second electrode for receiving a bias and converts an optical signal inputted into an electrical signal to output the electrical signal via the first electrode. A signal line extends from the first electrode through the light receiving element-side signal pad and the second wire to the amplifier-side signal pad. A bias line extends from the second electrode through the light receiving element-side bias pad, the first wire, and the third wire to the first and second amplifier-side bias pads. The signal line three-dimensionally intersects with the bias line at an interval in a direction of the loop height of the first wire and that of the second wire.

The present invention relates to an optocoupler including a light source having a body and electrical leads, a light detector having a diode stack a metal end cap and electrical leads, and an optical cavity including optically transparent material at least partially covering the body of the light source and the diode stack of the light detector. Also included is a reflective layer including optically reflective material surrounding the optical cavity. The electrical leads of the light source, the metal end cap and the electrical leads of the light detector protrude from the optical cavity and the reflective layer.

A light-emitting device including a substrate at least partially doped with a first type of conductivity and including a face; light-emitting diodes each including at least one three-dimensional semiconducting element which is undoped or doped with the first type of conductivity and resting on the said face; and semiconducting regions forming photodiodes, at least partially doped with a second type of conductivity opposite to the first type of conductivity and extending in the substrate from the said face between at least some of the three-dimensional semiconducting elements, a portion of the substrate of first type of conductivity extending up to the said face at the level of each three-dimensional semiconducting element.

A system for molecular mapping includes a semiconductor substrate defining a reservoir to receive a sample of molecules and a nanofluidic channel in fluid communication with the reservoir. The system also includes a plurality of electrodes, in electrical communication with the nanofluidic channel, to electrophoretically trap the sample of molecules in the nanofluidic channel. At least one avalanche photodiode is fabricated in the semiconductor substrate and disposed within an optical near-field of the nanofluidic channel to detect fluorescence emission from at least one molecule in the sample of molecules.

A plasmonic photoconductor sensing platform is provided. The plasmonic photoconductor sensing platform includes an insulating substrate; a semiconducting film placed on top of the insulating substrate; two metal contacts placed at least in part on the semiconducting film to enforce an electric field; a plurality of plasmonic nanostructures deposited on the semiconducting film and physically separated from metal contacts; an insulating layer, the insulating electrically isolating the plasmonic nanostructures from semiconductor; at least one energy source; and at least one microfluidic channel disposed on the insulating layer.

Some embodiments of the invention relate to an electrooptical distance measuring device comprising light source, reception circuit comprising detector, in particular avalanche photodiode APD and control and evaluation component for deriving a distance to the target object. Some embodiments of the invention, the detector has at least two mutually independent reception segments for mutually independently generating a respective resultant electrical signal, wherein the reception segments are assigned to predefined or predefinable, in particular different, distance ranges to be measured. Furthermore, at least two independent amplifiers may be provided in the reception circuit. Some embodiments of the invention, therefore, for a reception segment which is assigned only to a lower distance range of comparatively near distances, an amplifier having a comparatively low gain factor can now be connected downstream, such that it is therefore possible as a result to avoid e.g. a rapid supersaturation even in the case of near distances.