论文部分内容阅读
相干光正交频分复用(CO-OFDM)由于其良好的传输性能成为近年来光传输领域的研究热点,波分复用技术可以在光纤中通过增加并行波长的数量来提高系统的容量,将CO-OFDM和WDM技术结合,可以构造出高速率、大容量、低成本的光传输网络。首先对基于CO-OFDM的WDM传输系统的理论模型和基本原理进行了研究,对基于CO-OFDM的100Gb/s×32-信道WDM传输系统进行了仿真分析。并研究了该系统的传输性能。结果表明:在没有任何光纤的色散及非线性补偿的情况下,当信号速率为3.2 Tb/s时,系统Q因子高于16.0 dB,在标准单模光纤中的传输距离可达1500 km。
Coherent optical Orthogonal Frequency Division Multiplexing (CO-OFDM) has become a research hotspot in the field of optical transmission due to its good transmission performance. Wavelength division multiplexing technology can increase the capacity of the system by increasing the number of parallel wavelengths in the optical fiber, Combining CO-OFDM and WDM technologies, a high-speed, high-capacity, low-cost optical transport network can be constructed. Firstly, the theoretical model and basic principle of CO-OFDM-based WDM transmission system are studied. The simulation and analysis of 100Gb / s × 32-channel WDM transmission system based on CO-OFDM is carried out. And studied the transmission performance of the system. The results show that the Q factor of the system is higher than 16.0 dB at the signal rate of 3.2 Tb / s without any dispersion and nonlinear compensation of the optical fiber, and the transmission distance can reach 1500 km in the standard single-mode optical fiber.