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Design method for low index trench and rod assisted weakly-coupled multi-core fiber

低折射率沟槽与圆棒辅助的弱耦合多新光的设计方法研究

创新点

与典型的低折射率七沟道辅助的七芯光纤相比,本文提出的低折射率沟槽与圆棒辅助的多芯光纤将外围的沟道换成圆棒,由于圆棒比沟道的尺寸更小,低折射率结构对于纤芯模式的束缚能力更弱,所以纤芯的高次模的光缆截至波长更短,更容易控制在C+L波段的下限—1530nm以下

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Correspondence to Keping Long.

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The authors declare that they have no conflict of interest.

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Tu, J., Long, K. Design method for low index trench and rod assisted weakly-coupled multi-core fiber. Sci. China Inf. Sci. 59, 069302 (2016). https://doi.org/10.1007/s11432-016-5562-4

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关键词

  • 弱耦合多芯光纤
  • 芯间串扰
  • 纤芯设计
  • 光缆截至波长
  • 弯曲损耗