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:
May. 12, 2020
Filed:
Dec. 10, 2018
Electronics and Telecommunications Research Institute, Daejeon, KR;
Duk Jun Kim, Daejeon, KR;
Young-Ho Ko, Daejeon, KR;
Dong-Young Kim, Daejeon, KR;
Jong-Hoi Kim, Daejeon, KR;
Yongsoon Baek, Daejeon, KR;
Jung-Ho Song, Daejeon, KR;
Dong Hyo Lee, Daejeon, KR;
Byung-Seok Choi, Sejong, KR;
Won Seok Han, Daejeon, KR;
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Abstract
An optical waveguide structure includes a substrate and a core structure disposed on the substrate. The substrate includes a first waveguide region, a second waveguide region, and a transition region between the first waveguide region and the second waveguide region. The core structure includes first core segments arranged in a first direction and a second direction crossing the first direction on the transition region. The core structure includes second core segments arranged in the first direction and the second direction on the second waveguide region. The first direction and the second direction are parallel to a top surface of the substrate.