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. 26, 2026
Filed:
Mar. 10, 2021
Sony Semiconductor Solutions Corporation, Kanagawa, JP;
Shinichi Agatuma, Kumamoto, JP;
SONY SEMICONDUCTOR SOLUTIONS CORPORATION, Kanagawa, JP;
Abstract
A surface emitting laser according to one embodiment of the disclosure includes a stacked structure including, in order, a first DBR layer, an active layer, a second DBR layer, and a first electrically conductive contact layer. The stacked structure further includes a second electrically conductive contact layer and a two-dimensional electron gas generation layer between the first DBR layer and the active layer or in the first DBR layer. The surface emitting laser further includes a first electrode layer in contact with the first electrically conductive contact layer and a second electrode layer in contact with the second electrically conductive contact layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile