Bidirectional higher order cascaded Raman amplification benefits for 10-Gb/s WDM unrepeated transmission systems

被引：16

作者：

Faralli, S ^{[1
]}

Bolognini, G

Sacchi, G

Sugliani, S

Di Pasquale, F

机构：

[1] Univ Perferzionamento, Scuola Super Sant Anna, I-56123 Pisa, Italy

[2] CNIT, Lab Nazl Reti Foton, I-56123 Pisa, Italy

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2005年 / 23卷 / 08期

关键词：

optical communication systems; Raman amplifiers; Rayleigh scattering; relative intensity noise (RIN);

D O I：

10.1109/JLT.2005.850807

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Benefits provided by higher order bidirectional Raman pumping schemes in 10-Gb/s unrepeated wavelength-division-multiplexing transmission systems are experimentally quantified in terms of BER performances at 10 Gb/s. By keeping under control double-Rayleigh-scattering-noise-induced transmission penalties, which can degrade system performance at very high ON-OFF Raman gain, as well as nonlinear propagation effects such as Brillouin scattering, self- and cross-phase modulations, four-wave-mixing, and Raman-induced crosstalks, we show a total unrepeated system reach enhancement up to 3.5 dB, with respect to first-order bidirectional pumping. As confirmed by theory, the maximum reach enhancement is mainly limited by pump-to-signal relative intensity noise transfer induced by higher order copumping.

引用

页码：2427 / 2433

页数：7

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