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:
Aug. 03, 2021
Filed:
Aug. 16, 2018
Applicant:
Rockley Photonics Limited, London, GB;
Inventors:
Andrea Trita, Pasadena, CA (US);
Thomas Pierre Schrans, Temple City, CA (US);
Assignee:
Rockley Photonics Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/28 (2006.01); G02B 6/12 (2006.01); G02B 6/293 (2006.01);
U.S. Cl.
CPC ...
G02B 6/2804 (2013.01); G02B 6/12016 (2013.01); G02B 6/2808 (2013.01); G02B 6/29308 (2013.01); G02B 6/2931 (2013.01); G02B 6/29301 (2013.01);
Abstract
An optical device. In some embodiments, the optical device includes a first interface; a second interface; a first plurality of waveguides, at the first interface; a second plurality of waveguides, at the second interface; and a free propagation region. A first waveguide of the first plurality of waveguides has a width at least 20% greater than a second waveguide of the first plurality of waveguides.