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:
Oct. 20, 2020
Filed:
Apr. 02, 2019
Applicant:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Inventors:
Seo Young Lee, Daejeon, KR;
Young-Tak Han, Daejeon, KR;
Assignee:
Electronics and Telecommuncations Research Institute, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/126 (2006.01); G02B 6/122 (2006.01); G02B 6/10 (2006.01); G02B 6/12 (2006.01);
U.S. Cl.
CPC ...
G02B 6/126 (2013.01); G02B 6/122 (2013.01); G02B 6/1228 (2013.01); G02B 6/105 (2013.01); G02B 2006/1215 (2013.01); G02B 2006/12116 (2013.01);
Abstract
Provided is an optical circuit element, and more particularly, is an optical circuit element that splits one optical signal into two polarization signals, or couples two polarization signals into one optical signal. The optical circuit element includes a plurality of input couplers to which an optical signal is input, a plurality of output couplers from which an optical signal is output, a first path and a second path configured to connect the input couplers and the second couplers to each other, and at least one wave plate.