相关实验视频
Updated: Jun 11, 2025

08:48
Writing Bragg Gratings in Multicore Fibers
Published on: April 20, 2016
8.1K
在弱合的低模式多核纤维中LP模式的核心之间的模式间交叉声估计与扰乱
Shuangmeng Liu1, Lian Xiang1,2
1School of Electronic and Information Engineering, Soochow University, Suzhou 215006, China.
Sensors (Basel, Switzerland)
|September 28, 2024
概括
使用合模式理论 (CMT) 开发了一种用于少数模式多核纤维 (FM-MCF) 的模式间交声 (IMXT) 的新模型. 这个模型准确地预测了交叉通话,即使有扰动,并揭示了模式合和光纤距离之间的关系.
科学领域:
- 光纤通讯是指光纤通讯的一种方式.
- 光子学是指光子学的使用方法.
- 波浪传播 波浪传播
背景情况:
- 模式间交声 (IMXT) 是少数模式多核纤维 (FM-MCF) 中的一个关键挑战.
- 现有的模型在像曲和扭曲这样的随机扰动下经常失败.
- 了解模式合对于设计高性能光纤至关重要.
研究的目的:
- 为少数模式多核光纤 (FM-MCF) 提出一种新的模式间交叉声 (IMXT) 模型.
- 为了推导出一种普遍的表达方式合系数 (MCC) 考虑曲和扭曲.
- 为了使用通用半分析模型 (USAM) 实现准确的IMXT计算.
主要方法:
- 合模式理论 (CMT) 具有曲和扭曲的扰动.
- 一个通用模式合系数 (MCC) 表达式的导数.
- 在IMXT计算的通用半分析模型 (USAM) 中应用MCC.
主要成果:
- 提出的模型在没有随机扰动的情况下与以前的理论保持一致.
- 该模型有效地处理以前理论失败的随机扰动.
- 从理论上来说,MCC和核心球场之间建立了密切的关系.
结论:
- 开发的基于CMT的模型为FM-MCF中的IMXT提供了详细的物理洞察力.
- 该模型适用于相匹配和非相匹配区域的均质和异质FM-MCF.
- 这项工作扩大了在先进光纤中交叉通话建模的适用性和准确性.
相关概念视频
Fermi Level Dynamics
227
The vacuum level denotes the energy threshold required for an electron to escape from a material surface. It is usually positioned above the conduction band of a semiconductor and acts as a benchmark for comparing electron energies within various materials.
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...
227
Interference and Diffraction
32.2K
Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
32.2K
Oscillations In An LC Circuit
2.2K
An idealized LC circuit of zero resistance can oscillate without any source of emf by shifting the energy stored in the circuit between the electric and magnetic fields. In such an LC circuit, if the capacitor contains a charge q before the switch is closed, then all the energy of the circuit is initially stored in the electric field of the capacitor. This energy is given by
2.2K
Transmission-Line Differential Equations
243
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...
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...
243
Transmission Line Design Considerations
129
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
129
Propagation Speed of Electromagnetic Waves
3.3K
Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:
3.3K

