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Quasi-light Storage for Optical Data Packets
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基于功率均等的分类光学网络使用开关增益均等控制放大器
Optics letters
|September 29, 2023
概括
光学网络的分类可以节省成本,但面临着互操作性挑战. 使用交换增益均等控制 (SGEC) 放大器的新方法成功地在400G ZR+和传统连贯收发器之间实现了功率均等,从而实现了无集成.
科学领域:
- 光学网络的光学网络.
- 电信工程 电信工程 电信工程
背景情况:
- 光学网络分离旨在减少供应商锁定和高容量WDM系统的成本.
- 将400G ZR+连贯收发器 (XCVR) 与传统的XCVR集成,由于不同的OSNR要求,存在互操作性问题.
- 使用波长选择开关 (WSS) 的现有功率均等方法可以降低链路OSNR.
研究的目的:
- 研究一种新的方法,用于在分类的400G ZR+和传统的连贯收发器之间等效光学功率.
- 克服与传统功率均衡技术相关的OSNR限制和插入损失处罚.
- 通过实地试验和模拟来验证拟议方法的有效性.
主要方法:
- 在每个直线放大器站点使用一个开关增益等效控制 (SGEC) 放大器.
- 实现了动态增益均等,以管理ZR+和传统XCVR之间的功率差异.
- 在不同供应商的十个高功率连贯主机通道上使用400G-ZR+ QSFP-DD-DCO外星通道进行了实地试验.
- 执行模拟来分析光学链路上的功率和OSNR演变.
主要成果:
- SGEC放大器成功地使通道功率均等,而无需引入插入损失或过器处罚.
- 一个实地试验显示了与400G-ZR+外星通道和无400G-ZR+外星通道的主机通道的类似Q-边缘.
- 模拟结果证实了现场试验的结果,证实了有效功率和OSNR均等.
结论:
- 开关增益均等控制 (SGEC) 放大器为分类光网络中的功率均等提供了有效的解决方案.
- 这种方法使400G ZR+收发器与传统连贯系统的无互操作性成为可能,提高了网络灵活性和成本效益.
- 该SGEC方法避免了OSNR退化,为更复杂和分类的光网络架构铺平了道路.
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