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:
Mar. 13, 2018
Filed:
Sep. 17, 2014
Agency for Science, Technology and Research, Singapore, SG;
Chao Li, Singapore, SG;
Patrick Guo-Qiang Lo, Singapore, SG;
Agency for Science, Technology and Research, Singapore, SG;
Abstract
According to embodiments of the present invention, an optical coupling device is provided. The optical coupling device includes a substrate, and a grating arrangement including a plurality of grating elements, the plurality of grating elements being defined on one surface of the substrate, wherein the plurality of grating elements are arranged to have a first period along a first direction, and a second period along a second direction orthogonal to the first direction, the first period being different from the second period. According to further embodiments of the present invention, a photonic integrated circuit and a method of forming an optical coupling device are also provided.