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:
Apr. 14, 2026
Filed:
Nov. 20, 2022
Applicant:
Macom Technology Solutions Holdings, Inc., Lowell, MA (US);
Inventors:
Yifan Jiang, Pinellas Park, FL (US);
Wolfgang Parz, Ithaca, NY (US);
Padman Parayanthal, Clinton Township, NJ (US);
Assignee:
MACOM Technology Solutions Holdings, Inc., Lowell, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/08 (2023.01); H01S 5/042 (2006.01); H01S 5/0625 (2006.01); H01S 5/12 (2021.01); H01S 5/125 (2006.01); H01S 5/22 (2006.01); H01S 5/343 (2006.01);
U.S. Cl.
CPC ...
H01S 5/22 (2013.01); H01S 5/04256 (2019.08); H01S 5/06256 (2013.01); H01S 5/12 (2013.01); H01S 5/1215 (2013.01); H01S 5/125 (2013.01); H01S 5/3434 (2013.01);
Abstract
Aspects of the present disclosure describe semiconductor DFB laser structures including both pumped and unpumped regions/sections wherein unpumped regions act as DBR reflector(s) while pumped regions act as DFB gratings. Semiconductor DFB laser devices according to aspects of the present disclosure include an active layer that extends the length of the device that is identical in both pumped and unpumped regions/sections.