Patent · US Active

Systems and methods for passively-aligned optical waveguide edge-coupling

US11762154B2 · kind B2 · utility

0Cited by

3References

21Claims

0Family size

Assignee

Ayar Labs, Inc. · US

Inventors

Manan Raval · Oakland, US
Matthew Sysak · Lompoc, US
Chen Li · Jena, DE
Chong Zhang · Chandler, US

Key dates

Filing date	Jul 26, 2021
Grant date	Sep 19, 2023
Priority date	—
Expiry date	Aug 19, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG02B2006/12176
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A first chip includes a first plurality of optical waveguides exposed at a facet of the first chip. A second chip includes a second plurality of optical waveguides exposed at a facet of the second chip. The second chip includes first and second spacers on opposite sides of the second plurality of optical waveguides. The first and second spacers have respective alignment surfaces oriented substantially parallel to the facet of the second chip at a controlled perpendicular distance away from the facet of the second chip. The second chip is positioned with the alignment surfaces of the first and second spacers contacting the facet of the first chip, and with the second plurality of optical waveguides respectively aligned with the first plurality of optical waveguides. The first and second spacers define and maintain an air gap of at least micrometer-level precision between the first and second pluralities of optical waveguides.

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