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High-performance and wideband amplifier using bismuth-oxide-based EDF with cascade configurations

机译:高性能和宽带放大器,使用基于氧化铋的EDF进行级联配置

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摘要

We demonstrate high-performance and wideband-bismuth-oxide-based erbium-doped fiber amplifiers (BI-EDFAs) with multi-stage configurations. Cascade configurations that gain flattening filters and isolators inserted between the doped fibers are applied in order to suppress amplified spontaneous emission (ASE). As a result of the optimization of the fiber length, the gain characteristics of the two-stage BI-EDFAs were improved in extended L-band region. The BI-EDFAs for four-channel coarse wavelength division multiplexing (CWDM) systems ranging from 1550-1610 nm are then presented. Three-stage configurations are applied, and a gain of 20 dB and an output power of 20 dB m are simultaneously achieved with practical pumping condition.
机译:我们演示了具有多级配置的高性能宽带宽带氧化铋-掺杂光纤放大器(BI-EDFA)。为了抑制放大的自发发射(ASE),应用了获得平坦化滤波器和插入掺杂光纤之间的隔离器的级联配置。优化光纤长度的结果是,在扩展的L波段区域,两级BI-EDFA的增益特性得到了改善。然后介绍了范围为1550-1610 nm的四通道粗波分复用(CWDM)系统的BI-EDFA。采用三级配置,在实际泵浦条件下,可同时实现20 dB的增益和20 dB m的输出功率。

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