30 April 2004 Research on bidirectionally pumped Raman amplifiers: noise and transmission performance
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Proceedings Volume 5279, Optical Fibers and Passive Components; (2004) https://doi.org/10.1117/12.521493
Event: Asia-Pacific Optical and Wireless Communications, 2003, Wuhan, China
Abstract
In this paper we investigate both noise and transmission performance of bi-directionally pumped Raman amplifiers (RAs) in longhaul WDM systems detailedly. Compared with backward pumping or Raman+EDFA hybrid amplification, bi-directionally pumping can provide flatter OSNR spectra in wideband WDM applications, as well as better noise performance at identical nonlinear phase shift due to its uniform power distribution. Moreover, transmission impacts induced by SPM and XPM are also analyzed, which indicates that Raman amplified systems are more sensitive to dispersion maps than discrete amplification.
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Zhi Tong, Zhi Tong, Huai Wei, Huai Wei, Shuisheng Jian, Shuisheng Jian, } "Research on bidirectionally pumped Raman amplifiers: noise and transmission performance", Proc. SPIE 5279, Optical Fibers and Passive Components, (30 April 2004); doi: 10.1117/12.521493; https://doi.org/10.1117/12.521493
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