The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 05, 2023
Filed:
Mar. 04, 2022
Applicant:
Rockley Photonics Limited, Altrincham, GB;
Inventors:
Abu Thomas, Oak Park, CA (US);
Andrea Trita, Pasadena, CA (US);
Jeffrey Driscoll, San Jose, CA (US);
Assignee:
Rockley Photonics Limited, Altrincham, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/125 (2006.01); G02B 6/12 (2006.01);
U.S. Cl.
CPC ...
G02B 6/125 (2013.01); G02B 2006/12109 (2013.01);
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/mmwithin 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.