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:
Oct. 19, 2021
Filed:
Nov. 19, 2019
Applicant:
Freedom Photonics Llc, Goleta, CA (US);
Inventors:
Gordon Barbour Morrison, Summerland, CA (US);
Bob Benjamin Buckley, Santa Barbara, CA (US);
Assignee:
Freedom Photonics LLC, Goleta, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/12 (2006.01); H01S 5/10 (2021.01); H01S 5/125 (2006.01);
U.S. Cl.
CPC ...
H01S 5/1228 (2013.01); H01S 5/1003 (2013.01); H01S 5/125 (2013.01);
Abstract
An optical device is provided that includes a waveguide layer and at least one grating structure. A coupling coefficient of the at least one grating structure to a fundamental optical mode supported by the waveguide layer is greater than a coupling coefficient of the at least one grating structure to at least one higher order transverse optical mode supported by the waveguide layer.