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:
Aug. 12, 2025
Filed:
Mar. 23, 2023
Applicant:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Inventors:
Takuya Okimoto, Osaka, JP;
Yoshihiro Yoneda, Osaka, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/122 (2006.01); G02B 6/12 (2006.01); H10F 77/124 (2025.01); H10F 77/20 (2025.01); H10F 77/30 (2025.01); H10F 77/40 (2025.01); H10F 30/225 (2025.01);
U.S. Cl.
CPC ...
G02B 6/1228 (2013.01); H10F 77/1248 (2025.01); H10F 77/306 (2025.01); H10F 77/413 (2025.01); G02B 2006/12138 (2013.01); H10F 30/225 (2025.01); H10F 77/206 (2025.01);
Abstract
A semiconductor optical device includes a substrate a spot-size converter, an optical detector, a core layer and a first III-V compound semiconductor layer, the core layer is disposed between the substrate and the first III-V compound semiconductor layer, the optical detector includes a light absorbing layer, a second III-V compound semiconductor layer, and an insulating film,