Analysis of the Coherent Contributions to Nonlinear Interference Generation within Disaggregated Optical Line Systems

TL;DR

This paper investigates how coherent nonlinear interference accumulates in high symbol rate optical networks, emphasizing the importance of physical layer modeling for accurate network planning.

Contribution

It provides a simulation-based analysis of nonlinear interference accumulation, highlighting the need for improved physical layer models in optical network design.

Findings

Coherent nonlinear interference becomes significant at high symbol rates.

Physical layer effects are crucial for accurate optical network planning.

Abstract

Through a physical layer simulation study we highlight that the coherent accumulation of nonlinear interference becomes non-negligible for optical networks operating within high symbol rate transmission scenarios. This initiates a discussion on how to accurately plan and model optical networks, starting from the physical layer.