Impact of single and double Rayleigh backscattering on available system gain in optically amplified fiber systems without isolators

P. Wan, J. Conradi
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引用次数: 1

Abstract

Rayleigh backscattering in optically amplified fiber systems without optical isolators is discussed, and its impact on these systems is quantified in terms of a receiver power penalty. We show that amplifiers with large gain should be avoided in these system. On the other hand, using moderate gain amplifiers, large system gains can be obtained with little power penalties.
无隔离器的光纤系统中单、双瑞利后向散射对系统增益的影响
讨论了无光隔离器的光放大光纤系统中的瑞利后向散射,并根据接收机功率惩罚量化了它对这些系统的影响。在此系统中应避免使用增益较大的放大器。另一方面,使用中等增益放大器,可以在较小的功率损失下获得较大的系统增益。
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