Impairment compensation for unrepeatered fiber transmission with distributed Raman amplification

Likai Zhu; Guifang Li

doi:10.1117/12.887294

4 May 2011 Impairment compensation for unrepeatered fiber transmission with distributed Raman amplification

Likai Zhu, Guifang Li

Proceedings Volume 8054, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications VII; 80540S (2011) https://doi.org/10.1117/12.887294
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

Abstract

We propose and numerically demonstrate impairment compensation via digital backward propagation (DBP) for fiber transmission with distributed Raman amplification. In contrast to EDFA-based systems, signal power evolution in the distributed amplified system has to be obtained prior to DBP by solving the differential equations for Raman amplification. The optimum launching power of an unrepeatered Raman link is significantly increased by nonlinearity compensation.

Citation Download Citation

Likai Zhu and Guifang Li "Impairment compensation for unrepeatered fiber transmission with distributed Raman amplification", Proc. SPIE 8054, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications VII, 80540S (4 May 2011); https://doi.org/10.1117/12.887294

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