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期刊论文
Experimental investigation of the performance of co-and counter-pumped Raman fiber amplifiers
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Gain, gain saturation, optical signal-to-noise ratio (OSNR) and pump power conversion efficiency (PCE) of co-and counter-pumped Raman fiber amplifiers (RFAs) were investigated and compared experimentally in this paper. Results show that obvious OSNR improvement can be achieved with co-pumped RFAs. Compared with the counter-pumped scheme, the co-pumped solution has more severe gain saturation. For both two pumping schemes, PCE decreases as the input power increases. However, PCE decreases faster for the co-pumped RFAs.
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