Patent · US Active

Polarization splitter-rotator having silicon based waveguide with silicon nitride segment

US11940572B2 · kind B2 · utility

0Cited by

2References

17Claims

0Family size

Assignee

Aeva, Inc. · US

Inventors

Bing Shen · Branford, US
Kevin Masuda · Alhambra, US
Brett E. Huff · Fremont, US
Pradeep Srinivasan · Fremont, US

Key dates

Filing date	Jul 12, 2021
Grant date	Mar 26, 2024
Priority date	—
Expiry date	Dec 16, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG02B2006/12195
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A polarization splitter-rotator (PSR) is described. The PSR having a silicon nitride based waveguide to split and rotate an optical beam. The silicon nitride based waveguide having a first silicon nitride segment including a first layer and a second layer coupled with the first layer.

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