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. 09, 2022
Filed:
Nov. 10, 2020
Applicant:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Inventors:
Sanghwa Yoo, Daejeon, KR;
Sae-Kyoung Kang, Daejeon, KR;
Heuk Park, Daejeon, KR;
Joon Young Huh, Daejeon, KR;
Jongtae Song, Daejeon, KR;
Joon Ki Lee, Sejong-si, KR;
Assignee:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/34 (2006.01); G02B 6/30 (2006.01); G02B 6/124 (2006.01); G02B 6/13 (2006.01); F21V 8/00 (2006.01); G02B 6/42 (2006.01);
U.S. Cl.
CPC ...
G02B 6/34 (2013.01); G02B 6/124 (2013.01); G02B 6/13 (2013.01); G02B 6/30 (2013.01); G02B 6/0006 (2013.01); G02B 6/4214 (2013.01); G02B 6/4225 (2013.01);
Abstract
An optical coupling method and apparatus are disclosed. The optical coupling method improve the speed of optical alignment between an optical fiber and a grating coupler (GC) of an optical coupling apparatus for a characteristic test of a silicon photonic integrated circuit (Si-PIC) chip by using a reflective grating couplers disposed on the Si-PIC chip.