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对曲的2核纤维的差分组延迟分析估计,引入连续近似值
Optics express
|December 19, 2025
概括
研究人员简化了合多核纤维 (MCF) 中差分组延迟 (DGD) 的计算. 将离散分布函数近似为连续函数显著加快了长距离的DGD和脉冲宽度计算.
科学领域:
- 光学通信是指光学通信.
- 光纤工程是指光纤的工程.
- 波浪传播 波浪传播
背景情况:
- 由于离散的分布函数,合的多核纤维 (MCF) 在计算差分组延迟 (DGD) 和脉冲宽度方面存在挑战.
- 现有方法用于DGD和脉冲宽度计算在MCFs是耗时的长距离.
研究的目的:
- 开发一个计算效率高的方法来计算DGD和脉冲宽度在合的MCF中.
- 为了更快的分析,将离散分布函数作为连续量进行近似.
主要方法:
- 离散分布函数 (Poisson用于短距离,高斯函数用于长距离) 作为连续函数的近似.
- 基于使用连续近似的距离分析脉冲宽度演变.
主要成果:
- 脉冲宽度演变在短距离和长距离上表现出不同的行为.
- 在长距离上,脉冲宽度与距离的平方根相等.
- 在短距离上,脉冲宽度以距离的三半次方变大.
结论:
- 分配函数的持续接近为DGD和MCF中的脉冲宽度计算提供了显著的加速.
- 这项研究揭示了在结合的MCF中脉冲宽度演变的距离依赖的缩放规律.
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