Patent · US Active

Higher order mode filter

US11835762B2 · kind B2 · utility

0Cited by

14References

20Claims

0Family size

Assignee

Rockley Photonics Limited · GB

Inventors

Abu Thomas · Oak Park, US
Andrea Trita · Pasadena, US
Jeffrey Driscoll · San Jose, US

Key dates

Filing date	Mar 4, 2022
Grant date	Dec 5, 2023
Priority date	—
Expiry date	Mar 4, 2042

Classification

Technology area (CPC G)Physics
CPC primaryG02B2006/12119
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A waveguide mode filter. In some embodiments, the waveguide mode filter includes a first section of waveguide. The first section may have: a first end; a second end; a rate of change of curvature having a magnitude not exceeding 15/mm2 within the first section; a curvature having a magnitude of at most 0.03/mm at the first end; and a curvature having a magnitude of at least 0.1/mm at the second end.

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