Amplifier Adaptive Control of Operating Point Considering Non-Linear Interference
Amplifier Adaptive Control of Operating Point Considering Non-Linear Interference
复制标题
考虑非线性干扰的放大器工作点自适应控制
DOI：
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发表时间：
2018
影响因子：
2.6
通讯作者：
J. M. Martins Filho
中科院分区：
文献类型：
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作者：
Erick de A. Barboza;M. J. da Silva;L. Coelho;C. Bastos;J. M. Martins Filho
光放大器工作点的自适应控制（ACOP）是动态光网络中的一个重要挑战。ACOP方法的目的是在这些设备的输入功率发生变化后自主定义放大器的增益。这些变化在动态光网络中是频繁和不可预测的，并且它们可以驱动放大器工作，从而增加更多的噪声和增加信号失真。最近提出了许多办法，但都是在简化的情况下进行评估的，例如，忽略非线性。在这封信中，我们提出了一个更准确的评估ACOP的方法，通过使用高斯噪声模型的非线性干扰（NLI）。此外，我们建议修改一些ACOP的方法，考虑NLI在适应过程中。结果表明，在一个更简单的放大器噪声为基础的模型，可以实现良好的结果的方法是非常影响性能问题。
The adaptive control of operating point (ACOP) of optical amplifiers is a significant challenge in the dynamic optical networks. The ACOP approaches aim to autonomously define the gain of the amplifier after the occurrence of changes in the input power of these devices. These changes are frequent and unpredictable in dynamic optical networks, and they can drive the amplifier to operate adding more noise and increasing the signal distortion. Many approaches have been recently proposed, but they have been assessed in simplified scenarios, e.g., disregarding non-linearities. In this letter, we present a more accurate evaluation of the ACOP approaches by using a Gaussian-noise model for the non-linear interference (NLI). Moreover, we propose modifications in some ACOP approaches to consider NLI in the adaptation process. The results show that approaches which can achieve good results in a more straightforward amplifier noise-based model are very impacted concerning performance issues.