Amplified Spontaneous Emission and Rayleigh Scattering in Few-Mode Fiber Raman Amplifiers

A theoretical model of noise-amplified spontaneous emission and Rayleigh backscattering-in few-mode fiber Raman amplifiers is presented in this letter. Based on this model, the equalization of the signal modal gain determines the equalization of the noise modal gain. The model can also be used to pr...

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Veröffentlicht in:	IEEE photonics technology letters 2017-07, Vol.29 (14), p.1159-1162
Hauptverfasser:	Wang, Wei, Zhao, Jian, Yang, Zhiqun, Li, Chao, Wang, Zhen, Yu, Liyao, Mi, Ruilong
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplified spontaneous emission few-mode fiber Mathematical model Numerical models Optical fiber amplifiers Optical fiber communication Optical noise Raman amplifier Rayleigh backscattering Signal to noise ratio Stimulated emission
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Beschreibung
Zusammenfassung:	A theoretical model of noise-amplified spontaneous emission and Rayleigh backscattering-in few-mode fiber Raman amplifiers is presented in this letter. Based on this model, the equalization of the signal modal gain determines the equalization of the noise modal gain. The model can also be used to predict the mode-dependent optical signal-noise ratio. The theoretical results of this model are consistent with reported experimental results.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2017.2707062