模式向量调制:用于偏振跟踪的接收器架构和DSP算法
Optics express
|December 19, 2025
概括
模式向量调制 (MVM) 为数据中心和AGI超级计算机中的光学互连提供了一种新方法. 这种方法利用空间和极化模式,比传统的M-ary脉冲振幅调制 (M-PAM) 更高的带宽效率.
科学领域:
- 光学通信是指光学通信.
- 数据中心网络数据中心网络
- 信号处理 信号处理
背景情况:
- 超大规模数据中心和AGI超级计算机需要高速,可扩展的光学互连.
- 目前的网络使用M-ary脉冲振幅调制 (M-PAM) 在平行光纤链上进行直接检测 (DD).
- 建议使用多核纤维 (MCF) 来减少纤维数量并简化连接.
研究的目的:
- 引入和评估模式向量调制 (MVM) 作为一种新的光学互连格式.
- 介绍新的MVM直接检测 (DD) 接收器架构.
- 开发数字信号处理 (DSP) 算法,用于MVM系统中的极化跟踪.
主要方法:
- 在MCF中利用空间和极化自由度来实现多维符号传输.
- 设计和分析新的MVM直接检测 (DD) 接收器架构.
- 开发和评估用于偏振跟踪的盲人和飞行员辅助数字信号处理 (DSP) 算法.
主要成果:
- 展示了几种MVM DD接收器架构,平衡硬件复杂性和性能.
- 引入并评估了一套用于极化跟踪的DSP算法.
- MVM显示出作为M-PAM高灵敏,带宽高效的替代品的潜力.
结论:
- 模式向量调制 (MVM) 为未来的直接检测光学互连提供了一个有希望的,带宽高效的方法.
- 开发的MVM接收器架构和DSP算法提高了这项技术的实用性.
- 在苛刻的计算环境中,MVM有可能克服传统M-PAM系统的局限性.
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