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:
Oct. 04, 2022
Filed:
Mar. 27, 2019
Applicant:
Cisco Technology, Inc., San Jose, CA (US);
Inventors:
Dominic F. Siriani, Allentown, PA (US);
Vipulkumar K. Patel, Breinigsville, PA (US);
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/10 (2021.01); H01S 5/026 (2006.01); H03F 3/20 (2006.01);
U.S. Cl.
CPC ...
H01S 5/1014 (2013.01); H01S 5/0265 (2013.01); H01S 5/1064 (2013.01); H03F 3/20 (2013.01);
Abstract
A master oscillator power amplifier comprises a semiconductor laser formed on a substrate and configured to output an optical signal, and a semiconductor optical amplifier (SOA) formed on the substrate. The SOA comprises an optical waveguide having an optically active region, wherein the optical waveguide is configured to expand a mode size of the optical signal along at least two dimensions.