光学学报, 2020, 40 (23): 2306005, 网络出版: 2020-12-01
少模光纤中折射率微扰对模式消光比的影响 下载: 913次
Influence of Refractive Index Perturbation on Mode Extinction Ratio in Few-Mode Fibers
图 & 表
图 1. 折射率微扰不随光传播方向变化的微扰情形。(a)纤芯未对准;(b)结构不匹配
Fig. 1. Cases with the refractive index perturbation independent of the propagation direction. (a) Core misalignment; (b) structure mismatching
图 2. 单一模式输入时两个模式的光功率演化曲线。(a) γ=0;(b) γ=2
Fig. 2. Optical power evolution of two modes for the single mode input. (a) γ=0; (b) γ=2
图 3. 折射率微扰对模式消光比的影响
Fig. 3. Effect of refractive index perturbation on modal extinction ratio
表 1存在折射率微扰时的少模光纤参数
Table1. Parameters of few-mode fiber with the refractive index perturbation
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谢艳秋, 武保剑, 文峰. 少模光纤中折射率微扰对模式消光比的影响[J]. 光学学报, 2020, 40(23): 2306005. Yanqiu Xie, Baojian Wu, Feng Wen. Influence of Refractive Index Perturbation on Mode Extinction Ratio in Few-Mode Fibers[J]. Acta Optica Sinica, 2020, 40(23): 2306005.