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US 2019/0101647 A1Published application
Integrated Optical Transmitter and Receiver
AssigneeIntel Corporation
InventorsAvi Feshali, Haisheng Rong
Life of this patent
Estimating the term…
Abstract
Technology for light detection and ranging (LIDAR) sensor can include an optical signal source, an optical modulation array and optical detector on the same integrated circuit (IC) chip, multi-chip module (MCM) or similar solid-state package.
Claims25
A light detection and ranging (LIDAR) device comprising:
- a laser integrated in a chip;
- a splitter coupler integrated in the chip, the coupler including an input coupled to the laser and a plurality of outputs;
- a phase modulation array integrated in the chip, the phase modulation array including a plurality of inputs each coupled to a respective one of the plurality of outputs of the splitter coupler;
- an output array coupler integrated in the chip, the output array coupler coupled to the plurality of outputs of the phase modulation array;
- a photodetector integrated in the chip, the photodetector including
- a normal incidence photodetector portion;
- and
- a waveguide photodetector portion coupled to the normal incidence photodetector portion.
5 more elements
An integrated circuit comprising:
- an optical signal source;
- an optical phased array to steer optical signals from the optical signal source in two dimensions (2D);
- and
- a large area optical detector to receive, from a large angular field of view, reflected optical signals, wherein the large area optical detector is disposed in a fixed position relative to the optical phased array on the integrated circuit.
1 more element
A light detection and ranging (LIDAR) system comprising:
- a photonics chip including;
- a laser;
- a splitter coupler including an input coupled to the laser and a plurality of outputs;
- a phase modulation array, including a plurality of inputs each coupled to a respective one of the plurality of outputs of the splitter coupler, the phase modulation array configured to steer optical signals in two dimensions (2D) at an output of an output array coupler;
- the output array coupler coupled to the plurality of outputs of the phase modulation array;
- a large area photodetector configured to receive reflected optical signals from a large angular field of view;
- and
- an interface coupled to the laser, the splitter coupled, the phase modulation array and the wide area photodetector;
- and
- one or more processing units communicatively coupled to the interface of the photonics chip.
7 more elements
Dependencies are inferred from the claim text.