Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Andrea Carena0
Pierluigi Poggiolini0
Theodor Kupfer0
Vittorio Curri0
Chris Fludger0
Fabrizio Forghieri0
Gabriella Bosco0
Date of Patent
February 28, 2017
Patent Application Number
14198867
Date Filed
March 6, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for transmitting a coherent optical data signal includes receiving a data signal from an interface, and encoding the data signal with a forward error correcting (FEC) encoder according to a mix of modulation formats. The FEC encoder generates an FEC encoded signal which is used to generate modulation symbols according to the modulation formats. The FEC encoded signal of modulation symbols is spectrally shaped to generate a shaped signal, and pre-distorted before transmission. The shaped signal is pre-distorted by adding a predetermined amount of chromatic dispersion to generate a smoothed signal, and the smoothed signal is transmitted according to the modulation formats.
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