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. 10, 2018
Filed:
Aug. 04, 2016
Applicant:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Inventors:
Kwang Ryong Oh, Daejeon, KR;
Hong-Seung Kim, Sejong-si, KR;
Assignee:
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 7/00 (2006.01); G02B 6/293 (2006.01); G01D 5/353 (2006.01); G02B 6/124 (2006.01); G02B 6/136 (2006.01); G02B 6/32 (2006.01); H01S 5/10 (2006.01); H01S 5/30 (2006.01); G02B 6/12 (2006.01);
U.S. Cl.
CPC ...
G02B 6/29341 (2013.01); G01D 5/35319 (2013.01); G02B 6/124 (2013.01); G02B 6/136 (2013.01); G02B 6/32 (2013.01); H01S 5/1075 (2013.01); H01S 5/3013 (2013.01); G02B 2006/12104 (2013.01);
Abstract
There is provided a semi-circular resonator using a whispering gallery mode (WGM) and an optical sensor using the same. Accordingly, an active region that is a waveguide of an active layer in which laser oscillation is caused by gains of advancing beams is deeply etched in a semi-circular or semi-ring shape.