光纤通信中的相干传输技术在400G OTN中的应用研究

Research on the Application of Coherent Transmission Technology in Optical Fiber Communicationin 400G OTN

探讨同步传输技术在千兆光网络中的实际应用情况。通过介绍同步传输技术的基本概念,深入讨论超400G光传输网络面临的挑战及其在光传送网(Optical Transport Network,OTN)中的应用前景。研究重点分析调制与解码技术、自适应调整等关键技术,并提出改善信号强度、纠正色散问题、克服光纤内非线性影响以及提高光放大器效率的方法。在研究过程中,还优化了前向纠错机制和错误率控制策略,以推动相干传输技术在400G OTN网络中的应用,提高光网络传输效率和扩展容量。

This paper discusses the practical application of synchronous transmission technology in gigabit optical networks.By introducing the basic concept of synchronous transmission technology,the challenges faced by ultra-400G optical transmission network and its application prospect in Optical Transport Network(OTN)are discussed in depth.The research focuses on the analysis of key technologies such as modulation and decoding technology and adaptive adjustment,and puts forward methods to improve signal strength,correct dispersion problem,overcome nonlinear influence in optical fiber and improve the efficiency of optical amplifier.In the research process,the forward error correction mechanism and error rate control strategy are also optimized to promote the application of coherent transmission technology in 400G OTN network,improve the transmission efficiency and expand the capacity of optical network.