相关实验视频
Updated: Jan 11, 2026

08:48
Writing Bragg Gratings in Multicore Fibers
Published on: April 20, 2016
8.6K
使用近似溶液,对曲的双核纤维进行差分组延迟估计
Optics express
|November 11, 2025
概括
多核纤维 (MCF) 的随机合可以减少差分组延迟 (DGD). 一种新的分析方法解释了MCF的曲和扭曲如何影响DGD和脉冲宽度,显示了基于脉冲演变动态的独特行为.
科学领域:
- 光纤通讯是指光纤通讯的一种方式.
- 光子学 是一个光子学.
- 波浪传播 波浪传播
背景情况:
- 合的多核纤维 (MCF) 由于随机的内核合,显示了较小的差分组延迟 (DGD).
- 了解DGD对于MCF中的高速光学数据传输至关重要.
研究的目的:
- 开发一种新的分析方法来解释曲和扭曲MCF的DGD减少.
- 模拟制造错误和不均曲的DGD和脉冲扩大的影响.
主要方法:
- 对曲和扭曲纤维的双核合模式方程的近似解.
- 对于脉冲波传播的组延迟时间的分布函数的导数.
- 使用基于衍生分布函数的加权平均值计算DGD和脉冲宽度的数字计算.
主要成果:
- 根据分布函数演变的速率确定了两个不同的DGD和脉冲宽度演变制度.
- 当分配函数迅速达到最终状态时观察到的脉冲宽度的小DGD和平方根距离依赖性.
- 当分配功能没有完全发展时,观察到线性DGD增加和凸凸的脉冲宽度增长.
结论:
- 拟议的分析方法准确地预测DGD和MCF中的脉冲扩大,与模拟结果保持一致.
- 该研究为了解和管理DGD在实际MCF应用中提供了一个框架.
- 这些发现强调了光纤参数和制造一致性在控制光信号完整性方面的重要性.
相关概念视频
Linear Approximation in Time Domain
330
Nonlinear systems often require sophisticated approaches for accurate modeling and analysis, with state-space representation being particularly effective. This method is especially useful for systems where variables and parameters vary with time or operating conditions, such as in a simple pendulum or a translational mechanical system with nonlinear springs.
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
330
Linear Approximation in Frequency Domain
338
Linear systems are characterized by two main properties: superposition and homogeneity. Superposition allows the response to multiple inputs to be the sum of the responses to each individual input. Homogeneity ensures that scaling an input by a scalar results in the response being scaled by the same scalar.
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
338
Transmission-Line Differential Equations
945
Transmission lines are essential components of electrical power systems. They are characterized by the distributed nature of resistance (R), inductance (L), and capacitance (C) per unit length. To analyze these lines, differential equations are employed to model the variations in voltage and current along the line.
Line Section Model
A circuit representing a line section of length Δx helps in understanding the transmission line parameters. The voltage V(x) and current i(x) are measured from...
Line Section Model
A circuit representing a line section of length Δx helps in understanding the transmission line parameters. The voltage V(x) and current i(x) are measured from...
945

