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.

Date of Patent:
Aug. 20, 2024

Filed:

May. 06, 2021
Applicant:

Electronics and Telecommunications Research Institute, Daejeon, KR;

Inventors:

Oh Kee Kwon, Sejong-si, KR;

Su Hwan Oh, Daejeon, KR;

Chul-Wook Lee, Daejeon, KR;

Kisoo Kim, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/026 (2006.01); G02B 6/02 (2006.01); H01S 5/024 (2006.01); H01S 5/0625 (2006.01); H01S 5/125 (2006.01);
U.S. Cl.
CPC ...
H01S 5/0261 (2013.01); G02B 6/0208 (2013.01); H01S 5/02461 (2013.01); H01S 5/06256 (2013.01); H01S 5/125 (2013.01);
Abstract

Provided are an optical waveguide device and a laser apparatus including the same. The optical waveguide device includes a peripheral part disposed on an edge region of a substrate, an air pocket disposed on a central region of the substrate within the peripheral part, an optical waveguide comprising a core layer, which is disposed on an upper portion of the substrate within the air pocket to extend in a first direction, and an electrode on the core layer, and a plurality of hinges disposed on the air pocket to connect the optical waveguide to the peripheral part in a second direction crossing the first direction.


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