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. 15, 2020
Filed:
Aug. 18, 2016
Applicant:
President and Fellows of Harvard College, Cambridge, MA (US);
Inventors:
Mohammadreza Khorasaninejad, Cambridge, MA (US);
Federico Capasso, Cambridge, MA (US);
Assignee:
PRESIDENT AND FELLOWS OF HARVARD COLLEGE, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/12 (2006.01); G02B 6/124 (2006.01); G02B 5/18 (2006.01); G02B 6/10 (2006.01);
U.S. Cl.
CPC ...
G02B 6/124 (2013.01); G02B 5/18 (2013.01); G02B 6/107 (2013.01); G02B 2006/12061 (2013.01); G02B 2006/12078 (2013.01);
Abstract
A phase shift element includes a substrate and a dielectric ridge waveguide (DRW) disposed on the substrate. The DRW includes a dielectric material, and a width of the DRW is less than 500 nanometers (nm). A meta-grating includes a substrate and multiple dielectric ridge wave-guides (DRWs) disposed on the substrate.