相关实验视频
Updated: Jun 16, 2025

07:45
Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
10.8K
概括
本研究介绍了200 Gb/s连贯被动光学网络 (PON) 的预等级方案. 该技术提高了接收器的灵敏度和功率预算,这对于下一代光接入网络至关重要.
科学领域:
- 光学通信网络是指光学通信网络.
- 对于光学网络的信号处理.
背景情况:
- 高速光学接入网络需要在光学网络单元 (ONU) 降低计算复杂性.
- 一致的被动光学网络 (PON) 面临着在ONU的计算负载管理方面的挑战.
研究的目的:
- 为 200 Gb/s 的连贯 PON 提出一个新的预等级方案.
- 为了减少在ONU方面计算的复杂性.
- 为了提高接收器的灵敏度和功率预算.
主要方法:
- 数字预扭曲 (DPD) 和预强调技术的整合.
- 对三种调制格式的评估:50个Gbaud PM-QPSK,50个Gbaud Alamouti编码的PM-16QAM和25个Gbaud PM-16QAM.
- 使用内定或异定检测方案.
- 综合的数值模拟和实验评估.
主要成果:
- 在接收器灵敏度和200 Gb / s连贯PON的电力预算方面取得了显著的改进.
- 实现了3dB (PM-QPSK),7dB (Alamouti编码的PM-16QAM) 和2.1dB (PM-16QAM) 的功率预算改进,使用最小的数字过 taps.
- 验证了预等价计划的有效性.
结论:
- 拟议的预等级方案有效地提高了200 Gb/s连贯PON的性能.
- 该技术为减少ONU的计算复杂性提供了一个可行的解决方案.
- 这种方法对下一代光学接入网络充满希望.
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