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:
Feb. 13, 2024
Filed:
Sep. 18, 2020
Applicant:
Nokia Solutions and Networks Oy, Espoo, FI;
Inventors:
Argishti Melikyan, Marlboro, NJ (US);
Po Dong, Morganville, NJ (US);
Assignee:
Nokia Solutions and Networks Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/225 (2006.01); G02F 1/21 (2006.01);
U.S. Cl.
CPC ...
G02F 1/225 (2013.01); G02F 1/212 (2021.01);
Abstract
An apparatus including an optical modulator and an electronic controller. The optical modulator includes a parallel-nested pair of MZIs, each arm of the MZIs including one or more EAMs therein. The electronic controller is electrically connected to drive the MZIs such that the optical modulator outputs an optical carrier modulated according to a quadrature amplitude modulation constellation with at least five different symbols.