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:
Jan. 25, 2022
Filed:
Nov. 18, 2020
Applicant:
Hrl Laboratories, Llc, Malibu, CA (US);
Inventors:
Jeong-Sun Moon, Moorpark, CA (US);
Ryan G. Quarfoth, Los Angeles, CA (US);
Kangmu Lee, Playa Vista, CA (US);
Assignee:
HRL Laboratories, LLC, Malibu, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/313 (2006.01); G02B 6/35 (2006.01); G02F 1/295 (2006.01);
U.S. Cl.
CPC ...
G02F 1/3137 (2013.01); G02B 6/3544 (2013.01); G02F 1/295 (2013.01); G02F 1/313 (2013.01); G02F 1/3132 (2013.01); G02F 2202/10 (2013.01);
Abstract
A vertical directional coupler or switch comprising a lower and an upper waveguide, integrated with an optical phase change material disposed between the lower and upper waveguides to control a directional of optical coupling between the lower and upper waveguides.