Abstract: A laser assembly, such as a flood illuminator, has laser (e.g., VCSEL) emitters on a substrate configured to emit optical signals. An optic structure of optically transparent material, such as a polymer, is formed directly on the substrate, and micro-optic elements are nano-imprinted on the optic structure. The micro-optic elements are arranged in optical communication with the optical signals emitted from the laser emitters to perform field mapping or other optical functions. The laser emitters are on the same surface of the substrate as the optic structure along with electrical contacts so forming the optic structure involves covering the electrical contacts with a protective layer, dispensing a polymer for the optic structure, cutting away portions of the optic structure, removing the remaining protective layer, and exposing the electrical contacts.

Abstract: A display includes a stack that includes, from top to bottom: a display layer including an array of spaced pixels and/or spaced subpixels and an array of spaced transmission spaces, wherein each transmission space is defined by a spacing between a subset of the spaced pixels and/or spaced subpixels; a micro-lens array (MLA) layer including an array of micro-lenses, wherein each micro-lens includes a curved surface in alignment with a corresponding one of the transmission spaces; and a laser light emitting (LLE) layer including an array laser diodes, wherein each laser diode is positioned in alignment with one micro-lens of the MLA layer and the corresponding one of the transmission spaces of the display layer and the curved surfaces of the micro-lenses face the LLE layer.

Abstract: VCSEL-based flood illuminators are fabricated to be compact and surface-mounted devices. A substrate is constructed as a panel array having top and bottom electrodes. Individual ones of the VCSEL dies are mounted in electrical communication with pairs of the top electrodes. The VCSEL dies are encased in an encasement disposed on the top surface of the substrate, and a diffuser structure is nano-imprinted adjacent each of the VCSEL dies. The encasement can use a potting resin and a polymer layer. The potting resin encases the VCSEL dies. The polymer layer is softer and is disposed on the potting resin. Nanoimprint lithography forms the diffuser structures in the polymer layer. The panel array is then singulated to form the individual VCSEL-based flood illuminators.

Abstract: In one example, a laser assembly may include a substrate, a lens array, and a laser array. The lens array may be positioned on a first side of the substrate. The laser array may be positioned on a second side of the substrate opposite the first side. Lasers of the laser array may be oriented to generate optical signals through the substrate to corresponding lenses of the lens array. The lens array may include at least one concave lens and at least one convex lens. The concave and convex lenses may map the irradiance of the lasers to a common target irradiance profile, resulting in an alignment tolerant laser assembly.

Abstract: A shared optic assembly for combined flood and dot illumination modules is disclosed. The shared optic assembly includes a first high-powered VCSEL element for providing a flood beam and a second high-powered VCSEL element for providing a dot beam, where both the first and second VCSEL elements share the same optics and are incorporated onto the same module for space savings.

Abstract: In one example, a laser assembly may include a substrate, a lens array, and a laser array. The lens array may be positioned on a first side of the substrate. The laser array may be positioned on a second side of the substrate opposite the first side. Lasers of the laser array may be oriented to generate optical signals through the substrate to corresponding lenses of the lens array. The lens array may include at least one concave lens and at least one convex lens. The concave and convex lenses may map the irradiance of the lasers to a common target irradiance profile, resulting in an alignment tolerant laser assembly.

Abstract: An illumination device includes a laser source, a conventional diffuser element, and an extender optic with a curved interior surface and a curved outer surface. Light emitted by the laser source with a given field of illumination (FOI) is received by the conventional diffuser element and outputted towards the interior surface of the extender optic with an increased FOI; the outer surface of the extender optic then outputs the light received by the interior surface as light with an even greater FOI, typically in the range of 120° to 185°.

Abstract: An illumination device includes a laser source, a conventional diffuser element, and an extender optic with a curved interior surface and a curved exterior surface. Light emitted by the laser source with a given field of illumination (FOI) is received by the conventional diffuser element and outputted towards the interior surface of the extender optic with an increased FOI; the exterior surface of the extender optic then outputs the light received by the interior surface as light with an even greater FOI usually in the range of 120°-185°.

Abstract: An illumination device includes a laser source, a conventional diffuser element, and an extender optic with a curved interior surface and a curved exterior surface. Light emitted by the laser source with a given field of illumination (FOI) is received by the conventional diffuser element and outputted towards the interior surface of the extender optic with an increased FOI; the exterior surface of the extender optic then outputs the light received by the interior surface as light with an even greater FOI, usually in the range of 120°-185°.

Abstract: In one example, a laser assembly may include a substrate, a lens array, and a laser array. The lens array may be positioned on a first side of the substrate. The laser array may be positioned on a second side of the substrate opposite the first side. Lasers of the laser array may be oriented to generate optical signals through the substrate to corresponding lenses of the lens array. The lens array may include at least one concave lens and at least one convex lens. The concave and convex lenses may map the irradiance of the lasers to a common target irradiance profile, resulting in an alignment tolerant laser assembly.

Abstract: In one example, an optical device may include a waveguide having a core index of refraction that decreases along a length of the waveguide and an edge index of refraction of the waveguide that is constant along the length of the waveguide. The central rays of the optical signals travelling through the waveguide may be refracted towards higher radii while the outer rays propagate unaffected. The optical device may decrease dispersion of the optical signals travelling through an optical fiber.

Abstract: In one example, an optical device may include a waveguide having a core index of refraction that decreases along a length of the waveguide and an edge index of refection of the waveguide that is constant along the length of the waveguide. The central rays of the optical signals travelling through the waveguide may be refracted towards higher radii while the outer rays propagate unaffected. The optical device may decrease dispersion of the optical signals travelling through an optical fiber.

Abstract: In an example embodiment, an N-channel WDM OSA includes active optical devices coupled to a carrier, an optical block, and a MUX or a DEMUX. The optical block may be positioned above the active optical devices and coupled to the carrier. The optical block may include a bottom with lenses formed in the bottom that are aligned with the active optical devices; a first side that extends up from the bottom; a second side that extends up from the bottom and is opposite the first side; a port that extends forward from the bottom and the first and second sides; and an optical block cavity defined by the bottom and the first and second sides that extends rearward from the port. The MUX or DEMUX may be positioned in the optical block cavity in an optical path between the port of the optical block and the active optical devices.

Abstract: In an example embodiment, an N-channel WDM OSA includes active optical devices coupled to a carrier, an optical block, and a MUX or a DEMUX. The optical block may be positioned above the active optical devices and coupled to the carrier. The optical block may include a bottom with lenses formed in the bottom that are aligned with the active optical devices; a first side that extends up from the bottom; a second side that extends up from the bottom and is opposite the first side; a port that extends forward from the bottom and the first and second sides; and an optical block cavity defined by the bottom and the first and second sides that extends rearward from the port. The MUX or DEMUX may be positioned in the optical block cavity in an optical path between the port of the optical block and the active optical devices.

Abstract: In an example embodiment, an N-channel WDM OSA includes active optical devices coupled to a carrier, an optical block, and a MUX or a DEMUX. The optical block may be positioned above the active optical devices and coupled to the carrier. The optical block may include a bottom with lenses formed in the bottom that are aligned with the active optical devices; a first side that extends up from the bottom; a second side that extends up from the bottom and is opposite the first side; a port that extends forward from the bottom and the first and second sides; and an optical block cavity defined by the bottom and the first and second sides that extends rearward from the port. The MUX or DEMUX may be positioned in the optical block cavity in an optical path between the port of the optical block and the active optical devices.

Abstract: In an example embodiment, an N-channel WDM OSA includes active optical devices coupled to a carrier, an optical block, and a MUX or a DEMUX. The optical block may be positioned above the active optical devices and coupled to the carrier. The optical block may include a bottom with lenses formed in the bottom that are aligned with the active optical devices; a first side that extends up from the bottom; a second side that extends up from the bottom and is opposite the first side; a port that extends forward from the bottom and the first and second sides; and an optical block cavity defined by the bottom and the first and second sides that extends rearward from the port. The MUX or DEMUX may be positioned in the optical block cavity in an optical path between the port of the optical block and the active optical devices.

Abstract: A system, a structure, and a method for the generation of second harmonic light are provided. A laser system comprises a seed laser that produces a fundamental frequency light, and a nonresonant multiple pass nonlinear structure generates a second harmonic light using the fundamental frequency light. A second harmonic outcoupler outputs the second harmonic light from the laser system and a reflecting structure reflects a remaining portion of the fundamental frequency light back into the nonresonant multiple pass nonlinear structure to generate additional second harmonic light.

Abstract: A system, a structure, and a method for the generation of second harmonic light are provided. A laser system comprises a seed laser that produces a fundamental frequency light, and a nonresonant multiple pass nonlinear structure generates a second harmonic light using the fundamental frequency light. A second harmonic outcoupler outputs the second harmonic light from the laser system and a reflecting structure reflects a remaining portion of the fundamental frequency light back into the nonresonant multiple pass nonlinear structure to generate additional second harmonic light.

Abstract: A waveguide to waveguide coupled hybrid master oscillator power amplifier (MOPA) includes a wavelength locked laser master oscillator (MO) first chip including a semiconductor substrate, a waveguide region having a gain section, one side of the MO including an integrated wavelength selective feedback element and the other side of the MO including an integrated reflective or coupling element on one side the waveguide and an emitting surface opposite the integrated reflective or coupling element for emitting light. A power amplifier (PA) second chip is stacked above or below the MO. The PA includes a semiconductor substrate including a waveguide region having a gain section, an integrated reflective or coupling element on a side of the PA aligned with light emitted from the emitting surface of the MO and a coupling grating or turning mirror and integrated lens on an opposite side of the PA for emitting an output beam.

Abstract: An integrated light emitting semiconductor device having integrated feedback for wavelength locking comprises a semiconductor substrate including a waveguide region having a gain section having a gain media therein, and an out-coupling perturbation integrated with the device disposed proximate to the waveguide. A total internal reflection (TIR) structure for providing optical feedback is integrated with the device and disposed in a spaced apart relation relative to the out-coupling perturbation. At least one of the out-coupling perturbation and the TIR structure include a grating or prism to provide dispersion to send different wavelengths of light in different directions. The out-coupling perturbation is preferably a grating that has a grating period that is small enough to allow for only the +1 diffracted order to propagate.