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. 04, 2023
Filed:
Nov. 09, 2022
Applicant:
Cisco Technology, Inc., San Jose, CA (US);
Inventors:
Dominic F. Siriani, Lansdale, PA (US);
Jock T. Bovington, Koenigstein Im Taunus, DE;
Matthew J. Traverso, Saratoga, CA (US);
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/22 (2006.01); H01S 5/02 (2006.01); H01S 5/028 (2006.01);
U.S. Cl.
CPC ...
H01S 5/2206 (2013.01); H01S 5/021 (2013.01); H01S 5/028 (2013.01);
Abstract
An optical apparatus comprises a semiconductor substrate and a slab-coupled optical waveguide (SCOW) emitter disposed on the semiconductor substrate. The SCOW emitter comprises an optical waveguide comprising: a first region doped with a first conductivity type; a second region doped with a different, second conductivity type; and an optically active region disposed between the first region and the second region. The optically active region comprises a plurality of quantum dots.