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. 18, 2020
Filed:
Jan. 30, 2018
Applicant:
The Trustees of Columbia University IN the City of New York, New York, NY (US);
Inventors:
Michal Lipson, New York, NY (US);
You-Chia Chang, New York, NY (US);
Oscar Adrian Jimenez Gordillo, New York, NY (US);
Mohammad Amin Tadayon, New York, NY (US);
Brian Stern, New York, NY (US);
Assignee:
The Trustees of Columbia University in the City of New York, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/122 (2006.01); G02B 6/30 (2006.01);
U.S. Cl.
CPC ...
G02B 6/305 (2013.01); G02B 6/1228 (2013.01);
Abstract
An optical coupling apparatus comprising a substrate having a trench formed therein, the trench having a width measured between two opposing walls that define a portion of the trench; and a waveguide disposed on or in the substrate, the waveguide having a width that tapers along an axis of light propagation.