相关实验视频
Updated: Jul 8, 2025

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Writing Bragg Gratings in Multicore Fibers
Published on: April 20, 2016
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展示了一个800G CDM-SDM连贯的PON,使用弱合的多核纤维与CDM支流操纵
Optics letters
|December 15, 2023
概括
这项研究展示了一个16x50 Gbit/s连贯的被动光学网络 (CPON) 使用代码和空间分割复杂化 (CDM-SDM). 时空编码平衡所有连接光网络单元 (ONU) 的下游信号性能.
科学领域:
- 光学通信网络是一种光学通信网络.
- 光纤光学技术技术的使用.
- 信号处理 信号处理
背景情况:
- 被动光学网络 (PON) 对于宽带接入至关重要.
- 越来越多的需求对更高的容量和连接在PONs.
- 代码和空间分区复杂化 (CDM-SDM) 为提高能力提供了一个解决方案.
研究的目的:
- 用CDM-SDM在16x50 Gbit/s连贯被动光学网络 (CPON) 中实验证明下游信号.
- 在CDM-SDM CPON中解决光网络单元 (ONU) 之间的性能差异.
- 改善大规模PON的电力预算和连接.
主要方法:
- 使用4核弱合多核光纤 (WC-MCF) 进行光学空间分割多重复合 (SDM).
- 实施代码划分多重复合 (CDM) 用于将多个ONU分配给核心.
- 应用时空编码技术来操纵CDM支流,以实现平衡的性能.
主要成果:
- 在16x50 Gbit/s的CDM-SDM CPON中成功演示了下游信号.
- 在800 Gbit/s容量的CDM分配的ONU中发现了性能差异.
- 使用时空编码实现了所有ONU的平衡接收性能.
结论:
- 拟议的CDM-SDM CPON计划提高了容量和连接性.
- 时空编码有效地减轻了CDM-SDM系统中的性能失衡.
- 这种方法对未来的高容量,大连接性PON系统具有显著的前景.
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