Archivio Istituzionale della RicercaThis paper presents an efficient numerical method for calculating spatial power profiles of both signal and pump with significant Interchannel Stimulated Raman Scattering and backward Raman amplification in multiband systems. This method was tested in the optimization of a C+L+S/C+L+S+E 1000 km link, employing three backward Raman pumps, by means of a closed-form EGN model (CFM6). The results show a 100x computational speed increase, enabling deep optimization which made it possible to obtain very good overall system performance and flat GSNR.
Signal and Backward Raman Pump Power Optimization in Multi-Band Systems Using Reliable and Fast Power Profile Estimation / Jiang, Y.; Sarkis, J.; Piciaccia, S.; Forghieri, F.; Poggiolini, P.. - In: JOURNAL OF LIGHTWAVE TECHNOLOGY. - ISSN 0733-8724. - 43:17(2025), pp. 8140-8149. [10.1109/jlt.2025.3585684]
Signal and Backward Raman Pump Power Optimization in Multi-Band Systems Using Reliable and Fast Power Profile Estimation
Jiang, Y.;Sarkis, J.;Poggiolini, P.
2025
Abstract
This paper presents an efficient numerical method for calculating spatial power profiles of both signal and pump with significant Interchannel Stimulated Raman Scattering and backward Raman amplification in multiband systems. This method was tested in the optimization of a C+L+S/C+L+S+E 1000 km link, employing three backward Raman pumps, by means of a closed-form EGN model (CFM6). The results show a 100x computational speed increase, enabling deep optimization which made it possible to obtain very good overall system performance and flat GSNR.
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https://hdl.handle.net/11583/3006470