Patent · US Active

Polarization splitters based on stacked waveguides

US10429581B1 · kind B1 · utility

10Cited by

3References

20Claims

0Family size

Assignee

GlobalFoundries Inc. · KY

Inventors

Abu Thomas · Oak Park, US
Yusheng Bian · Ballston Lake, US
Ajey Poovannummoottil Jacob · Watervliet, US

Key dates

Filing date	Nov 13, 2018
Grant date	Oct 1, 2019
Priority date	—
Expiry date	Nov 13, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG02B2006/1215
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Structures for a polarization splitter and methods of forming a polarization splitter. A multi-mode interference region includes a first waveguide and a second waveguide arranged in a stack over the first waveguide. First and second input ports are connected with the multi-mode interference region. First and second output ports are connected with the multi-mode interference region.

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