A Closed-form Expression for the Gaussian Noise Model in the Presence of Raman Amplification

2023/04/24 by Buglia, H., Jarmolovicius, M., Galdino, L. +2 · 6 citations
#FOS: Electrical engineering #Signal Processing (eess.SP) #electronic engineering #information engineering

paper · doi:10.48550/arxiv.2304.11974

Abstract

A closed-form model for the nonlinear interference (NLI) in Raman amplified links is presented, the formula accounts for both forward (FW) and backward (BW) pumping schemes and inter-channel stimulated Raman scattering (ISRS) effect. The formula also accounts for an arbitrary number of pumps, wavelength-dependent fibre parameters, launch-power profiles, and is tested over a distributed Raman-amplified system setup. The formula is suitable for ultra-wideband (UWB) optical transmission systems and is applied in a signal with 13~THz optical bandwidth corresponding to transmission over the S-, C-, and L- band. The accuracy of the closed-form formula is validated through comparison with numerical integration of the Gaussian noise (GN) model and split-step Fourier method (SSFM) simulations in a point-to-point transmission link.

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• Measurement and Analysis of the Power Consumption of Hybrid-Amplified SCL-band Links
• On the Feasibility of SCL-Band Transmission over G.654.E-Compliant Long-Haul Fibre Links
• Gaussian Noise Model of Nonlinear Distortions from Semiconductor Optical Amplifiers

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