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在具有有限长度均等器的光学连贯系统中过的影响:建模和实验验证
Optics express
|November 11, 2025
概括
我们开发了一种新的半分析模型,用于预测由过和噪声引起的连贯系统中的性能损失. 该模型准确地估计了退化,有助于在超高比特率系统的网络和收发器设计.
科学领域:
- 光学通信是指光学通信的应用.
- 信号处理 信号处理
- 电信工程 电信工程 电信工程
背景情况:
- 连贯传输系统在带宽有限时面临光学/电气过的性能处罚.
- 现有的模型往往忽略了在现实收发器中的自适应等效的影响.
研究的目的:
- 引入和验证一种新的半分析模型,用于量化因过和彩色噪声而导致连贯系统中的性能退化.
- 纳入有限长度自适应等效的效应,以提高模拟真实收发器行为的准确性.
- 为预测系统性能和帮助网络/收发器设计提供一个计算高效的工具.
主要方法:
- 开发了一种半分析模型,包括过,彩色噪声和自适应等效效应.
- 进行了全面的实验验证,分析了接收光学功率 (ROP),光学信号噪声比 (OSNR),收发器噪声和过的综合影响.
- 对分布式噪声场景的蒙特卡洛数值模拟进行了模型验证.
主要成果:
- 该模型显示了高精度,与数值模拟相比,估计误差低于0.15dB.
- 实验验证显示,模型准确度在90%的情况下低于0.35dB,在所有情况下低于0.6dB.
- 该模型准确地预测各种条件下的性能降低,包括网络变化.
结论:
- 拟议的半分析模型提供了一种计算效率高,准确的方法,用于预测超高比特率连贯系统的性能.
- 该模型能够考虑自适应等级和各种噪声源,这使得它对于设计灵活的收发器和实时性能估计器非常有价值.
- 实验和模拟结果证实了该模型在捕捉影响系统性能因素的复杂相互作用方面具有高准确性.
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