A LiDAR system includes a first optical lens, and one or more first optoelectronic packages spaced apart from the first optical lens along the optical axis of the first optical lens. Each respective first optoelectronic package includes a first plurality of optoelectronic components positioned on the respective first optoelectronic package such that a surface of each respective optoelectronic component lies substantially on the first surface of best focus. The LiDAR system further includes a second optical lens, and one or more second optoelectronic packages spaced apart from the second optical lens along the optical axis of the second optical lens. Each respective second optoelectronic package includes a second plurality of optoelectronic components positioned on the respective second optoelectronic package such that a surface of each respective optoelectronic component lies substantially on the second surface of best focus.

An electronic device may include a photonic integrated circuit (PIC) coupled with a substrate. The PIC may communicate a photonic signal with one or more optical fibers. The PIC may process the photonic signal into an electronic signal. The PIC may extend between a first end and a second end. An electronic integrated circuit (EIC) may be coupled with the substrate. The EIC may communicate with the PIC. The EIC may transmit the electronic signal to the PIC. The EIC may receive the electronic signal from the PIC. The electronic device may include a lens assembly. The lens assembly may be coupled with the first end of the PIC. In an example, optical interconnects of the PIC are aligned with the lens assembly such that the lens assembly is configured to transmit the photonic signal communicated between PIC and the optical fibers.

An optical assembly may include a platform disposed within a housing that has a limited space. The platform may be tilted by a first angle to fit a fiber array into the limited space of the housing. The optical assembly may also include a silicon photonics device mounted on the tilted platform. The silicon photonics device may include a grating coupler. The optical assembly may also include the fiber array directly coupled to the grating coupler on the silicon photonics device at a coupling position that deviates from a vertical coupling position by a second angle.

Embodiments herein relate to systems, apparatuses, or processes for a silicon lens manufactured on a 110-oriented silicon wafer that includes highly accurate vertical alignment features on the edges of the silicon lens created using crystallographic etching. In embodiments, these vertical alignment features are revealed 111 planes in the silicon wafer. Other embodiments may be described and/or claimed.

Systems, devices, and methods for for exit pupil expansion in a curved lens with embedded light guide are described. Exit pupil expansion in a curved lens may be achieved with a light guide comprising an outcoupler with minimized second order diffraction, where the outcoupler applies an optical power to outcoupled light.

A light detection and ranging (LiDAR) device comprising: a laser emitting chip configured to emit laser, a laser detecting chip configured to detect laser, an emitting optic module configured to guide laser generated from the laser emitting chip to the outside of the LiDAR device, a detecting optic module configured to guide laser received from the outside of the LiDAR device to the laser detecting chip, an emitting optic holder located between the laser emitting chip and the emitting optic module, and an at least one emitting optic fixer located between the emitting optic holder and the emitting optic module, wherein the at least one emitting optic fixer is configured to fix a relative position between the laser emitting chip and the emitting optic module.

An integrated optical beam steering device includes a planar Luneburg lens that collimates beams from different inputs in different directions within the lens plane. It also includes a curved (e.g., semi-circular or arced) grating coupler that diffracts the collimated beams out of the lens plane. The beams can be steered in the plane by controlling the direction along which the lens is illuminated and out of the plane by varying the beam wavelength. Unlike other beam steering devices, this device can operate over an extremely wide field of view—up to 180°—without any aberrations off boresight. In other words, the beam quality is uniform in all directions, unlike with aplanatic lenses, thanks to the circular symmetry of the planar Luneburg lens, which may be composed of subwavelength features. The lens is also robust to misalignment and fabrication imperfections and can be made using standard CMOS processes.

The present invention relates to an optical light guide element having a first end section with a light entrance area designed for facing a light source and having a second end section with a light exit area designed for facing a light target area, wherein the light exit area is defined by a second surface area on the optical light guide element which faces a light target area, and wherein the light entrance area is defined by a first surface area on the optical light guide element which faces the light source, wherein the first end section comprises a first inclined surface area which forms an acute angle with the first surface area of the light entrance area, wherein the second end section forms a second inclined surface area which encloses an acute angle with the surface area of the light exit area, characterized in that said first surface area on the optical light guide element which faces the light source comprises a first replicated polymer lens.

In some embodiments, optical systems with a reflector and a lens proximate a light output opening of the reflector provide light output with high spatial uniformity and high efficiency. The reflectors are shaped to provide substantially angularly uniform light output and the lens is configured to transform this angularly uniform light output into spatially uniform light output. The light output may be directed into a light modulator, which modulates the light to project an image.

The present disclosure provides a package structure having a photonic integrated circuit, the package structure includes a substrate, a chip and an optical module. The chip has an optical waveguide structure and a recessed portion. The optical waveguide structure is adjacent to the recessed portion. The recessed portion faces the substrate, and the chip is engaged to the substrate by flip chip. The optical module is provided in the recessed portion of the chip.