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Analysis of the Brillouin gain spectrum in a graded-index multimode fiber

机译:渐变折射率多模光纤中的布里渊增益谱分析

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We present a numerical method for computing the Brillouin gain spectrum (BGS) in a graded-index multimode fiber (GI-MMF). The BGS is shown to strongly depend on the pump and probe modal content. In particular, the peak frequency of the BGS, usually referred as Brillouin Frequency Shift (BFS), as well the BGS bandwidth, vary dramatically with the order of the optical modes interacting along the fiber.
机译:我们提出了一种数值方法,用于计算渐变折射率多模光纤(GI-MMF)中的布里渊增益谱(BGS)。已显示BGS很大程度上取决于泵和探头的模态含量。特别是,BGS的峰值频率(通常称为布里渊频移(BFS))以及BGS带宽会随着沿光纤相互作用的光学模式的顺序而急剧变化。

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