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:
Jul. 25, 2023
Filed:
Mar. 26, 2021
Applicant:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Inventors:
Oh Kee Kwon, Sejong-si, KR;
Su Hwan Oh, Daejeon, KR;
Kisoo Kim, Seoul, KR;
Chul-Wook Lee, Daejeon, KR;
Assignee:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/12 (2021.01); H01S 5/06 (2006.01); H01S 5/34 (2006.01); H01S 5/22 (2006.01); H04B 10/50 (2013.01);
U.S. Cl.
CPC ...
H01S 5/0611 (2013.01); H01S 5/1209 (2013.01); H01S 5/1218 (2013.01); H01S 5/2228 (2013.01); H01S 5/34 (2013.01); H04B 10/503 (2013.01);
Abstract
Disclosed are a wavelength-selectable laser diode and an optical communication apparatus including the same. The wavelength-selectable laser diode includes a substrate, which includes a gain region, a tuning region spaced apart from the gain region, and a phase adjusting region between the tuning region and the gain region, a waveguide layer on the substrate, a clad layer on the waveguide layer, and gratings disposed on the substrate or the clad layer in the gain region and the tuning region.