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Proceedings Paper

Impact of multipath interference on noise figure of fiber Raman amplifiers
Author(s): Jinjie Mei; Deming Liu; Dexiu Huang
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Paper 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.

Paper Details

Date Published: 29 August 2002
PDF: 8 pages
Proc. SPIE 4905, Materials and Devices for Optical and Wireless Communications, (29 August 2002); doi: 10.1117/12.480971
Show Author Affiliations
Jinjie Mei, Huazhong Univ. of Science and Technology (China)
Deming Liu, Huazhong Univ. of Science and Technology (China)
Dexiu Huang, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 4905:
Materials and Devices for Optical and Wireless Communications
Constance J. Chang-Hasnain; YuXing Xia; Kenichi Iga, Editor(s)

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