A Closed-form Expression for the ISRS GN Model Supporting Distributed Raman Amplification

• DOI: 10.23919/ofc49934.2023.10116103
• Publication Date: 2023-05-19T17:26:19Z
• Authors: Henrique Buglia; Mindaugas Jarmolo...; Anastasiia Vasylc...; Eric Sillekens; Lidia Galdino; Polina Bayvel; Robert Killey
• Keywords: Signal Processing (eess.SP); 0211 other engineering and technologies; FOS: Electrical engineering, electronic engineering, information engineering; 02 engineering and technology; Electrical Engineering and Systems Science - Signal Processing

A closed-form model for the nonlinear interference in distributed Raman amplified links is presented, the formula accounts for both forward and backward pumping. The model accurately estimates the received SNR over a 10 THz bandwidth.