Patent · US Active

Lidar pixel with active polarization control

US11428785B2 · kind B2 · utility

1Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 2021
Grant dateAug 30, 2022
Priority date
Expiry dateJun 10, 2041

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60W2420/408
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A light detection and ranging (LIDAR) pixel includes a polarization controller, a grating coupler, and an optical mixer. The polarization controller includes a phase shifter that sets a phase of light in a first arm of the polarization controller and a second arm of the polarization controller.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.