Impact of multipath interference on noise figure of fiber Raman amplifiers

Jinjie Mei; Deming Liu; Dexiu Huang

doi:10.1117/12.480971

29 August 2002 Impact of multipath interference on noise figure of fiber Raman amplifiers

Jinjie Mei, Deming Liu, Dexiu Huang

Proceedings Volume 4905, Materials and Devices for Optical and Wireless Communications; (2002) https://doi.org/10.1117/12.480971
Event: Asia-Pacific Optical and Wireless Communications 2002, 2002, Shanghai, China

Abstract

The impact of multipath interference (MPI) on the noise figure of fiber Raman amplifier is studied. The noise figure is analytically expressed in terms ofthe Raman gain and the Rayleigh scattering parameters ofthe Raman fiber. The difference between the power spectral characteristics of the multipath interference noise and that of the Raman spontaneous emission noise is considered in this paper. We demonstrate that the MPI can be a significant degrading factor to the noise figure when the Raman on-off gain and the input signal power are increased. A modified noise figure measuring method is proposed so that the noise figure accounts for the MPI deriving from the sum of Rayleigh backscattering signal components.

Citation Download Citation

Jinjie Mei, Deming Liu, and Dexiu Huang "Impact of multipath interference on noise figure of fiber Raman amplifiers", Proc. SPIE 4905, Materials and Devices for Optical and Wireless Communications, (29 August 2002); https://doi.org/10.1117/12.480971

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