A very big hello to Huub if he reads me.
Do you know a signal that is using RZ line coding?
A great pleasure to read your reply.line coding of NRZ 40G".
You're rignt. In optical fiber, it seems that RZ is not used. We only see NRZ.
I just discovered, in G.959.1(04/2016), Appendix VI, this text:
"A future revision of this Recommendation is expected to contain specifications for single-channel IrDIs with a bit rate/line coding of RZ 40G. These applications are expected to show a higher tolerance to PMD than shown by applications with a bit rate/
Perhaps, for the decoding, the expanding time due to the dispersion has less effect onto 0,33 UI pulses than complete UI pulses. The overlap between received pulses, with the sequence (1 - 0 - 1) can be better controlled.
Best regards, Michelot
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