Bidirectional-pumped L-band erbium-doped fiber amplifier with pump distribution technique
作者： A. F. Abas , S. Hitam , M. A. Mahdi , N. Md. Yusoff
DOI: 10.1134/S1054660X12070183
关键词:
摘要: A dual-stage erbium doped fiber amplifier (EDFA) having a flat gain wavelength response throughout L-band transmission window is presented. By applying pump power distribution technique, the distributed to two different stages with length of EDF depending on coupling ratio. controlling these parameters, 19.1 dB small variation less than 0.5 and noise figure 10.5 are achieved in this architecture using bidirectional pumping. However, when another 3 coupler added split equally at second stage bidirectional, better 7.5 was obtained. Comparison conventional single-stage optical made order validate performances EDFA.
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