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:
Dec. 06, 2022
Filed:
Jun. 03, 2020
Applicant:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Inventor:
Yukihiro Tsuji, Osaka, JP;
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/183 (2006.01); H01S 5/343 (2006.01); H01S 5/028 (2006.01); H01S 5/02 (2006.01);
U.S. Cl.
CPC ...
H01S 5/18352 (2013.01); H01S 5/0217 (2013.01); H01S 5/0282 (2013.01); H01S 5/1835 (2013.01); H01S 5/18313 (2013.01); H01S 5/18347 (2013.01); H01S 5/18361 (2013.01); H01S 5/3432 (2013.01);
Abstract
A surface-emitting laser includes a substrate; semiconductor layers provided on the substrate, the semiconductor layers including a lower reflector layer, an active layer, and an upper reflector layer, the semiconductor layers forming a mesa; a first insulating film covering the mesa; and a second insulating film covering the first insulating film, wherein the mesa has a polygonal shape in a direction in which the substrate extends, and a vertex of the mesa in the direction in which the substrate extends has a chamfered portion.