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基于双相半导体光学放大器的交叉声压制方案的研究
Xintong Lu1, Xinyu Ma1, Baojian Wu1
1Key Laboratory of Optical Fiber Sensing and Communication Networks, Ministry of Education, School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.
Sensors (Basel, Switzerland)
|October 16, 2024
概括
本研究介绍了一种双阶段半导体光学放大器 (SOA) 方案,用于在复杂网络中全光学交叉声抑制. 该方法提高了信号与交叉通话比率 (SXR),以提高网络性能.
科学领域:
- 光学通信网络是指光学通信网络.
- 在光学系统中的信号处理.
背景情况:
- 波长和空间分割复杂化 (WDM/SDM) 光学网络需要有效的交叉声抑制以提高节点性能.
- 目前用于缓解交叉通话的方法在维护信号波长完整性方面经常面临局限性.
研究的目的:
- 提出和研究一种使用双阶段半导体光学放大器 (SOA) 设置的全光学交叉声抑制方案.
- 在光学相联 (OPC) 中优化退化的波长位置,以最大限度地提高信号与交叉线比 (SXR).
主要方法:
- 使用基于模拟的方法来评估双阶段SOA方案的性能.
- 该方案测试了20 Gb/s的正方形相位转换 (QPSK) 信号,分析了各种输入SXR范围和交叉声波波长偏差.
- 在光学相结合 (OPC) 过程中优化退化的波长是关键的方法方面.
主要成果:
- 拟议的双阶段SOA方案证明了有效的波长维护交叉声抑制.
- 对于相同频率的交叉通话,输入SXR为10dB,可以实现1.5dB的相应SXR改进.
- 该方案的性能在不同的输入SXR级别和交叉通话波长偏差中得到验证.
结论:
- 双阶段SOA方案为改善光网络中的SXR提供了可行的解决方案.
- 这种方法特别适合在少数模式光纤系统和先进光学网络中的应用.
- 优化的OPC波长对于最大限度地提高交叉声抑制的有效性至关重要.
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