On the Impact of Finite-Length Probabilistic Shaping on Fiber Nonlinear Interference
Tobias Fehenberger
TL;DR
This paper investigates how finite-length probabilistic shaping influences fiber nonlinear interference, revealing an optimal shaping length of a few hundred symbols for improved communication performance.
Contribution
It provides new insights into the effects of finite-length probabilistic shaping on fiber nonlinearities, highlighting an optimal shaping length for practical systems.
Findings
Optimal shaping length is a few hundred symbols.
Finite-length shaping impacts fiber nonlinear interference.
Implications for designing efficient optical communication systems.
Abstract
The interplay of shaped signaling and fiber nonlinearities is reviewed in the asymptotic and finite-length regime. We present explanations and discuss implications of an optimum shaping length of just a few hundred symbols.
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