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一个高容量的光学地铁接入网络:通过强大的切换和集中式光线终端,高效地恢复光纤故障
Rahat Ullah1,2,3, Sibghat Ullah4, Ahmad Almadhor5
1Institute of Optics and Electronics, Nanjing University of Information Science & Technology, Nanjing 210044, China.
Sensors (Basel, Switzerland)
|February 24, 2024
概括
一个用于光学地铁接入网络 (OMAN) 的新型中央办公室 (CO) 使用独特的光学多载波 (OMC) 技术进行高速,可靠的数据传输. 该系统有效地处理多个用户,并从光纤故障中快速恢复.
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:
- 光学地铁接入网络 (OMAN) 面临着高数据速率和光纤故障的挑战.
- 现有的中央办公室 (CO) 系统需要提高负担能力和可靠性.
研究的目的:
- 为OMAN提出一个新的CO,具有价格实惠和独特的开关系统.
- 引入一种新的光学多载波 (OMC) 生成技术,以提高网络性能.
- 解决光纤故障问题,确保不间断的通信.
主要方法:
- 开发了一种新的OMC生成技术,使用级联相和没有放大器或过器的Mach Zehnder调制器.
- 将OMC集成到OMAN的CO架构中.
- 实施了强大的开关系统,并集中的OLT用于故障恢复.
主要成果:
- 通过OMC技术实现了40dB的高音频与噪声比 (TNR) 和最小的振幅偏移.
- 支持1.2 Tbps下行链路和600 Gbps上行链路传输速率.
- 已证明的实际比特错误率 (BER) 从10^-3到10^-13 (下行链接) 和10^-6到10^-14 (上行链接).
- 在各种光纤故障场景中展示了快速传输故障恢复.
结论:
- 拟议的CO与OMC发电为OMAN提供了一种可靠和负担得起的解决方案.
- 该系统有效地容纳多个用户,并保持高质量的传输速率.
- 实施的故障恢复机制确保了不间断的通信服务.
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