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在连贯光通信系统中,用于道间非线性补偿的一般化雷利分数优化方法
Optics letters
|February 1, 2024
概括
我们引入了一种新的方法,用于在波长分割多重复合 (WDM) 系统中补偿通道间的非线性. 广义雷利分数优化 (GRQO) 方法在长途光纤传输中提高了信号质量.
科学领域:
- 光学通信是指光学通信.
- 信号处理 信号处理
- 非线性光学是非线性光学.
背景情况:
- 频道间非线性在波长分割多重复合 (WDM) 系统中构成了重大挑战,限制了传输能力和范围.
- 有效的补偿对于提高现代光学网络性能至关重要.
研究的目的:
- 建议和评估一种用于WDM系统中道间非线性补偿的新方法.
- 为了证明广义雷利分数优化 (GRQO) 方法在提高信号质量的有效性.
主要方法:
- 开发了两种不同的操作模式的广义雷利分数优化 (GRQO) 方法.
- 在一个8 × 64 GBaud 16-ary正方形振幅调制 (16-QAM) 系统中进行实验验证.
- 与非线性极化交叉干扰取消器 (NPCC) 在1600公里的标准单模光纤 (SSMF) 上进行比较.
主要成果:
- 与NPCC相比,GRQO方法实现了0.40dB的Q2因子改善.
- 拟议的方法显示了大约2000个每位实数乘法 (RMb) 的中等低计算复杂性.
- 在一个高容量的WDM系统中观察到成功的道间非线性补偿.
结论:
- 在WDM系统中,GRQO方法为道间非线性补偿提供了一个有前途的解决方案.
- 在性能改进和计算复杂性之间,GRQO提供了有利的权衡.
- 这一进步有助于提高光通信系统的传输能力和距离.
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