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:
Dec. 02, 2025
Filed:
Nov. 07, 2022
Applicant:
Ii-vi Delaware, Inc., Wilmington, DE (US);
Inventors:
Assignee:
II-VI DELAWARE, INC., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/20 (2006.01); H01S 5/183 (2006.01);
U.S. Cl.
CPC ...
H01S 5/205 (2013.01); H01S 5/18308 (2013.01); H01S 5/18361 (2013.01); H01S 2301/166 (2013.01);
Abstract
A vertical cavity surface emitting laser (VCSEL) device comprising a VCSEL emitter having a waveguide with a guided portion and an antiguided portion is disclosed. The guided and antiguided portions may select and confine a mode of the VCSEL emitter. The antiguided portion may also be used to coherently couple adjacent VCSEL emitters.