Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
James F. Buckwalter0
Aditya Jain0
Roger Helkey0
Navid Hosseinzadeh0
Date of Patent
February 27, 2024
0Patent Application Number
174379790
Date Filed
March 10, 2020
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
A predistorter for an electro-optical converter includes a plurality of low noise RF amplifiers distributed along a transmission line that receive an RF input. Second order intermodulation injection (IM2) circuitry includes an inductively-degenerated frequency doubler to square and filter IM2 products of the RF input. A Mach-Zehnder Modulator (MZM) is used for electro-optical conversion. Feed forward circuitry injects IM2 to independently propagate RF intermodulation components with velocity matching to the MZM. At least one driver injects the RF input and RF intermodulation components into the MZM.
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