40 patents
Utility
Methods and Systems for Self-aligned Vertical Cavity Surface Emitting Laser (Vcsel)-array Beam Shaping
4 Jan 24
An optical emitter device includes a plurality of emitters on a first substrate, and one or more alignment patterns on the first substrate and positioned relative to the plurality of emitters.
Hod Finkelstein, James CARTER, Scott BURROUGHS
Filed: 22 Oct 21
Utility
Segmented Flash Lidar Using Stationary Reflectors
21 Dec 23
A Light Detection and Ranging (LIDAR) system includes a lidar emitter comprising one or more emitter elements configured to emit optical signals defining a primary field of illumination; a lidar detector comprising one or more detector pixels configured to detect light corresponding to the optical signals over a primary field of detection; and one or more reflective optical elements that are arranged to reflect one or more subsets of the optical signals into respective fields of illumination that are different than the primary field of illumination, and/or to reflect light from respective fields of view different than the primary field of detection toward the lidar detector.
Hod Finkelstein
Filed: 21 Oct 21
Utility
Multi-wafer Integrated Vcsel-electronics Module
21 Dec 23
An illumination apparatus includes a first semiconductor layer comprising a plurality of emitters that are electrically interconnected in or on the first semiconductor layer, and a second semiconductor layer that is bonded to the first semiconductor layer in a stacked arrangement.
Tarek AL ABBAS, Jamie STOKES, Neil CALDER, Hod FINKELSTEIN, Scott BURROUGHS
Filed: 23 Nov 21
Utility
Defect-tolerant, Self-healing Vcsel Array Architectures with Vcsel Devices Having Integrated Fuse Structures
14 Dec 23
A light emitting device includes a semiconductor structure comprising an n-type layer, an active region, and a p-type layer, first and second electrical contacts on the n-type layer and the p-type layer, respectively, and an integrated fuse structure in or on the semiconductor structure.
Scott BURROUGHS, James CARTER, Caesar GARCIA, Kristopher MCGUIRE
Filed: 25 Oct 21
Utility
Integrated Long-range Narrow-fov and Short-range Wide-fov Solid-state Flash Lidar System
7 Dec 23
A Light Detection and Ranging (LIDAR) system includes a lidar detector comprising one or more detector pixels configured to detect light incident thereon, and at least one switchable optical element that is configured to direct the light to the lidar detector.
Hod Finkelstein, Anurag GUPTA
Filed: 22 Oct 21
Utility
Clocked Active Quench/recharge and Gain Cell Memory Pixel
12 Oct 23
A Light Detection and Ranging (LIDAR) detector circuit includes one or more photodetector elements configured to output respective detection signals indicating respective detection events responsive to light incident thereon, and at least one control circuit.
Robert Henderson, Tarek Al Abbas, Hod Finkelstein
Filed: 7 Sep 21
Utility
Strobe Based Configurable 3D Field of View Lidar System
20 Oct 22
A Light Detection and Ranging (LIDAR) system includes an emitter array comprising a plurality of emitter units operable to emit optical signals, a detector array comprising a plurality of detector pixels operable to detect light for respective strobe windows between pulses of the optical signals, and one or more control circuits.
Tarek Al Abbas, Neil Calder, Robert Henderson, Hod Finkelstein
Filed: 30 Sep 20
Utility
High Quantum Efficiency Geiger-mode Avalanche Diodes Including High Sensitivity Photon Mixing Structures and Arrays Thereof
22 Sep 22
A photodetector device includes a semiconductor material layer and at least one photodiode in the semiconductor material layer.
Hod Finkelstein
Filed: 1 Mar 22
Utility
Optical Aperture Division for Customization of Far Field Pattern
21 Jul 22
A Light Detection and Ranging (LIDAR) apparatus includes an optical aperture, an emitter array including emitter elements arranged and configured to output optical signals through respective sub-regions of the optical aperture to illuminate respective portions of a field of view, and an optical element in at least a portion of the optical path of the optical signals.
Brent FISHER, Russell KANJORSKI
Filed: 21 May 20
Utility
Event Driven Shared Memory Pixel
30 Jun 22
A Time of Flight (TOF) system includes an incrementing circuit and a plurality of pixels.
Robert Henderson, Hod Finkelstein
Filed: 1 May 20
Utility
Active Illumination Systems for Changing Illumination Wavelength with Field Angle
26 May 22
An active illumination apparatus includes an emission source configured to illuminate a field of view.
Alistair Souness GORMAN, Hod FINKELSTEIN
Filed: 27 May 20
Utility
Devices Incorporating Integrated Dectors and Ultra-small Vertical Cavity Surface Emitting Laser Emitters
21 Apr 22
A semiconductor device includes a detector structure.
Scott Burroughs, Brent Fisher, James Carter
Filed: 27 Oct 21
Utility
Power-efficient Direct Time of Flight Lidar
31 Mar 22
A Light Detection and Ranging (LIDAR) system includes a light source configured to emit a plurality of light beams having respective divergence angles over respective fields of illumination, and a detector array comprising plurality of detector pixels having respective fields of detection and configured to output respective detection signals responsive to light incident thereon.
Hod Finkelstein, Tarek Al Abbas
Filed: 28 Sep 21
Utility
Methods and Systems for Power-efficient Subsampled 3D Imaging
3 Feb 22
A Time of Flight (ToF) system includes an emitter array comprising one or more emitters configured to emit optical signals, a detector array comprising a plurality of detectors that are configured to output respective detection signals responsive to the optical signals that are reflected from a target, and a control circuit.
Salvatore Caporale, David Storrar, Hod Finkelstein, Tarek Al Abbas, Robert Henderson
Filed: 2 Aug 21
Utility
Emitter Structures for Ultra-small Vertical Cavity Surface Emitting Lasers (Vcsels) and Arrays Incorporating the Same
23 Dec 21
A laser diode includes a semiconductor structure of a lower Bragg reflector layer, an active region, and an upper Bragg reflector layer.
Scott Burroughs, Brent Fisher, James Carter
Filed: 26 Aug 21
Utility
Beam Shaping for Ultra-small Vertical Cavity Surface Emitting Laser (Vcsel) Arrays
18 Nov 21
A laser array includes a plurality of laser diodes arranged and electrically connected to one another on a surface of a non-native substrate.
Scott Burroughs, Brent Fisher, James Carter, Russell Kanjorski
Filed: 27 Jul 21
Utility
Methods and Systems for Increasing the Range of Time-of-flight Systems by Unambiguous Range Toggling
28 Oct 21
A method of operating a time of flight system includes detecting first optical signals comprising a first frequency having a first unambiguous range, the first optical signals reflected from a target, processing the first optical signals to determine a first estimated distance to the target, and generating an output frame comprising a true distance to the target based on the first estimated distance and a second estimated distance to the target, wherein the second estimated distance was used to generate a previous output frame.
Hod Finkelstein
Filed: 16 Aug 19
Utility
Devices with Ultra-small Vertical Cavity Surface Emitting Laser Emitters Incorporating Beam Steering
23 Sep 21
A laser array includes a plurality of laser emitters arranged in a plurality of rows and a plurality of columns on a substrate that is non-native to the plurality of laser emitters, and a plurality of driver transistors on the substrate adjacent one or more of the laser diodes.
Scott Burroughs, Brent Fisher, James Carter
Filed: 4 Jun 21
Utility
Phase Noise and Methods of Correction In Multi-frequency Mode Lidar
26 Aug 21
A LIDAR apparatus includes an emitter array having a plurality of emitter pixels configured to emit optical signals, a detector array having a plurality of detector pixels configured to output detection signals responsive to light incident thereon, and a circuit that is coupled to the detector array.
Dietrich Dehlinger, Hod Finkelstein, Neil Woodhouse, Brent Fisher
Filed: 23 Jul 19
Utility
Single Frame Distance Disambiguation
12 Aug 21
A Time of Flight (ToF) system, includes one or more optical elements configured to emit optical signals at two or more measurement frequencies and at least one disambiguation frequency, a detector array comprising a plurality of detectors that are configured to output respective detection signals responsive to light provided thereto, and a circuit configured to control the detector array to obtain a first subset of the detection signals at a first plurality of phase offsets corresponding to the two or more measurement frequencies and to obtain a second subset of the detection signals at a second plurality of phase offsets corresponding to the at least one disambiguation frequency, wherein the second plurality comprises fewer phase offsets than the first plurality.
Dietrich Dehlinger, Hod Finkelstein
Filed: 17 Apr 20