Statistics of polarization-dependent gain in fiber Raman amplifiers

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We developed an analytical model for the statistics of polarization-dependent gain (PDG) in both copumped and counterpumped fiber Raman amplifiers (FRAs). The validity of this model was confirmed by using experimental data and numerical simulations. The results show that the PDG in a counterpumped FRA cannot be neglected since it is only about 3 times smaller than that in a copumped FRA. Using the proposed model, we also evaluated the effects of various parameters on the PDG including the wavelength difference between the signal and pump, degree-of-polarization (DOP) of pump laser, polarization-mode dispersion, and fiber loss at the pump wavelength. In addition, the proposed model was used to analyze the requirement of the DOP of pump for the suppression of PDG within 1 dB.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2005-03
Language
English
Article Type
Article
Keywords

DISPERSION-COMPENSATING FIBERS; MODE DISPERSION; BANDWIDTH; AMPLIFICATION; SCATTERING; PENALTIES; SYSTEMS

Citation

JOURNAL OF LIGHTWAVE TECHNOLOGY, v.23, pp.1219 - 1226

ISSN
0733-8724
DOI
10.1109/JLT.2005.843499
URI
http://hdl.handle.net/10203/88907
Appears in Collection
EE-Journal Papers(저널논문)
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