Abstract: A light detection and ranging (LIDAR) system includes a laser and a calibration unit. The laser is configured to generate a laser beam based on a particular laser waveform that is associated with at least one parameter of a plurality of parameters. The calibration unit is configured to determine a particular value for the at least one parameter of the plurality of parameters to compensate for distortion characteristics of the laser. The calibration unit is configured to determine the particular value based on an output frequency of the laser beam. The calibration unit is configured to update the particular laser waveform with the particular value of the at least one parameter of the plurality of parameters.

Abstract: A phase shifter includes a substrate layer, a cladding layer, and a waveguide. The phase shifter includes a waveguide and a heating element. The phase shifter includes a thermally conductive structure disposed on the cladding layer to disperse heat from the waveguide. The thermally conductive structure may include a metal strip disposed longitudinally along the beam, may include thermally conductive pads, and/or may include thermally conductive vias coupled between the cladding layer and the substrate layer. The phase shifter may be incorporated into light detection and ranging (LIDAR) devices, telecommunications devices, and/or computing devices.

Abstract: A LIDAR transceiver includes a source input, coherent cells, and an optical switch. The optical switch is configured to switchably couple the source input to the coherent cells. At least one of the coherent cells includes an input port, an optical antenna, and a splitter. The input port is coupled to the optical switch and the splitter is coupled between the input port and the optical antenna. The splitter is configured to split a received portion of a laser signal into a local oscillator signal and a transmit signal, where the transmit signal is emitted through the optical antenna. A reflection of the transmit signal is received through the optical antenna as a reflected signal, where the splitter is further configured to output a return signal that is a portion of the reflected signal.

Abstract: Embodiments are generally directed to a system and method for adapting executable object to a processing unit. An embodiment of a method to adapt an executable object from a first processing unit to a second processing unit, comprises: adapting the executable object optimized for the first processing unit of a first architecture, to the second processing unit of a second architecture, wherein the second architecture is different from the first architecture, wherein the executable object is adapted to perform on the second processing unit based on a plurality of performance metrics collected while the executable object is performed on the first processing unit and the second processing unit.

Abstract: A light detection and ranging (LIDAR) sensor system mounted to a vehicle includes a first device and a second device coupled to the first device. The first device includes a laser source and one or more optical components. The first device is configured to output an optical signal associated with a local oscillator (LO) signal. The second device includes an optical amplifier array device and a transceiver device. The optical amplifier array device includes an integrated optical component and is configured to amplify the optical signal. The transceiver device is configured to transmit the amplified optical signal to an environment and receive a returned optical signal that is reflected from an object in the environment.

Abstract: A light detection and ranging (LIDAR) device may include a local oscillator network and one or more LIDAR pixels coupled to the local oscillator network. At least one of the one or more LIDAR pixels may include a transmit optical antenna, a receive optical antenna, and at least one receiver. The transmit optical antenna may be configured to emit a transmit beam. The receive optical antenna may be configured to detect a first polarization orientation of a return beam and a second polarization orientation of the return beam. The at least one receiver can be configured to receive at least one local oscillator signal from the local oscillator network. The at least one receiver can be configured to generate a signal based on the local oscillator signal and the return beam.

Abstract: An active stylus having physical writing function includes a tip shell including a first opening and a second opening, a first electrode including a first end protruded through the first opening of the tip shell and including a second end protruded through the second opening of the tip shell and entered a main body housing of the active stylus, wherein the first electrode includes conductive material. The tip shell includes non-conductive material. The first end of the first electrode is configured to leave colored traces on an object by physical friction caused between the first end of the first electrode and the object.

Abstract: A cross reality system enables any of multiple devices to efficiently access previously stored maps. Both stored maps and tracking maps used by portable devices may have any of multiple types of location metadata associated with them. The location metadata may be used to select a set of candidate maps for operations, such as localization or map merge, that involve finding a match between a location defined by location information from a portable device and any of a number of previously stored maps. The types of location metadata may prioritized for use in selecting the subset. To aid in selection of candidate maps, a universe of stored maps may be indexed based on geo-location information. A cross reality platform may update that index as it interacts with devices that supply geo-location information in connection with location information and may propagate that geo-location information to devices that do not supply it.

Abstract: An image sensing device and a control device of an illumination device thereof are provided. The control device includes a control circuit, an operation circuit, and multiple driving signal generators. The control circuit generates multiple control signals. The operation circuit performs a logical operation on the control signals and an image capturing signal to generate multiple operation results. The driving signal generator respectively provides multiple driving signals to the illumination device according to the operation results, and the driving signals respectively have multiple different output powers.

Abstract: A light detection and ranging (LIDAR) sensor system for a vehicle includes one or more LIDAR pixels. At least one of the one or more LIDAR pixels includes a dual-polarization optical antenna, a second optical antenna, and one or more receivers. The dual-polarization optical antenna is configured to emit a transmit beam having a first polarization orientation, and detect a return beam having a second polarization orientation. The second optical antenna is offset from the dual-polarization optical antenna by a particular distance, and is configured to detect the return beam having the second polarization orientation. The one or more receivers are configured to generate one or more signals in response to detecting the second polarization orientation of the return beam.

Abstract: A transmission interface between at least a first module and a second module is proposed. The transmission interface includes at least two physical transmission mediums. Each physical transmission medium is arranged to carry a multiplexed signal in which at least two signals are integrated. The at least two physical transmission mediums include a first physical transmission medium arranged to carry a first multiplexed signal including a first IF signal and a reference clock signal. The first IF signal and the reference clock signal are at different frequencies.

Abstract: Low noise amplifiers (LNAs) with low noise figure are provided. In certain embodiments, an LNA includes a single-ended LNA stage including an input for receiving a single-ended input signal from an antenna and an output for providing a single-ended amplified signal, a balun for converting the single-ended amplified signal to a differential signal, and a variable gain differential amplification stage for amplifying the differential signal from the balun. Implementing the LNA in this manner provides low noise figure, high gain, flexibility in controlling gain, and less sensitivity to ground/supply impedance.

Abstract: A structure of a silicon photonics device for LIDAR includes a first insulating structure and a second insulating structure disposed above one or more etched silicon structures overlying a substrate member. A metal layer is disposed above the first insulating structure without a prior deposition of a diffusion barrier and adhesion layer. A thin insulating structure is disposed above the second insulating structure. A first configuration of the metal layer, the first insulating structure and the one or more etched silicon structures forms a free-space coupler. A second configuration of the thin insulating structure above the second insulating structure forms an edge coupler.

Abstract: A LIDAR device for a vehicle includes an integrated chip. The integrated chip includes a substrate layer, a cladding layer, a waveguide, a scattering array, and a reflector layer. The cladding layer is disposed on the substrate layer to form an interface with the substrate layer. The waveguide is disposed within the cladding layer and configured to route an infrared optical field. The scattering array is disposed within the cladding layer between the waveguide and the interface and perturbs the infrared optical field and scatters the infrared optical field into a first beam propagating toward a surface of the cladding layer and into a second beam propagating towards the interface. The reflector layer is disposed within the cladding layer between the waveguide and the surface of the cladding layer to reflect the first beam towards the interface.

Abstract: A structure of a silicon photonics device for LIDAR includes a first insulating structure and a second insulating structure disposed above one or more etched silicon structures overlying a substrate member. A metal layer is disposed above the first insulating structure without a prior deposition of a diffusion barrier and adhesion layer. A thin insulating structure is disposed above the second insulating structure. A first configuration of the metal layer, the first insulating structure and the one or more etched silicon structures forms a free-space coupler. A second configuration of the thin insulating structure above the second insulating structure forms an edge coupler.

Abstract: A photonic integrated circuit (PIC) assembly comprising a semiconductor optical amplifier (SOA) array and a U-turn chip. The SOA array includes an input SOA and a plurality of SOAs. The input SOA and the plurality of SOAs are arranged parallel to one another. The U-turn chip includes an optical splitter and a waveguide assembly. The optical splitter is configured to receive amplified input light propagating in a first direction from the input SOA, and divide the amplified light into beams. The waveguide assembly guides the beams to a corresponding SOA of the plurality of SOAs, and adjusts a direction of prorogation of each of the guided beams to be substantially parallel to a second direction that is substantially opposite the first direction.

Abstract: A LIDAR transceiver includes a source input, coherent cells, and an optical switch. The optical switch is configured to switchably couple the source input to the coherent cells. At least one of the coherent cells includes an input port, an optical antenna, and a splitter. The input port is coupled to the optical switch and the splitter is coupled between the input port and the optical antenna. The splitter is configured to split a received portion of a laser signal into a local oscillator signal and a transmit signal, where the transmit signal is emitted through the optical antenna. A reflection of the transmit signal is received through the optical antenna as a reflected signal, where the splitter is further configured to output a return signal that is a portion of the reflected signal.

Abstract: A light detection and ranging (LIDAR) sensor system for a vehicle includes one or more LIDAR pixels. At least one of the one or more LIDAR pixels includes a dual-polarization optical antenna, a second optical antenna, and one or more receivers. The dual-polarization optical antenna is configured to emit a transmit beam having a first polarization orientation, and detect a return beam having a second polarization orientation. The second optical antenna is offset from the dual-polarization optical antenna by a particular distance, and is configured to detect the return beam having the second polarization orientation. The one or more receivers are configured to generate one or more signals in response to detecting the second polarization orientation of the return beam.

Abstract: A light detection and ranging (LIDAR) system include one or more LIDAR pixels including a transmit optical antenna, a receive optical antenna, a first receiver, and a second receiver. The transmit optical antenna is configured to emit a transmit beam. The receive optical antenna is configured to detect (i) a first polarization orientation of a returning beam and (ii) a second polarization orientation of the returning beam.

Abstract: A light detection and ranging (LIDAR) sensor system includes a plurality of LIDAR pixels and a local oscillator module. The local oscillator module is coupled to the plurality of LIDAR pixels. The local oscillator module includes a first local oscillator input configured to receive a first local oscillator signal and a second local oscillator input configured to receive a second local oscillator signal. The local oscillator module is configured to provide the first local oscillator signal or the second local oscillator signal to a first LIDAR pixel of the plurality of LIDAR pixels.