【摘要】 研究了采用周期色散补偿的光波分复用系统中入纤功率对系统的影响,并从理论上分析了色散补偿后剩余色散对系统性能的作用。仿真结果表明:当入纤功率增大到一定的数值时,光纤中存在的自相位调制(SPM)等非线性效应使得系统的误码率随入纤功率的增大而增大,而系统中色散补偿后的剩余反常色散可在一定程度上抑制随入纤功率增大而增强的非线性效应,对系统的性能有一定的改善。仿真结果和理论分析是一致的。更多还原

【Abstract】 The influence of the residual dispersion on the system with periodic dispersion compensation are analyzed theoretically.The simulation result shows when the fiber input power is increased to an enough numerical value,SPM and other nonlinear effects existing in fiber cause the system BER to increase with it,and the residual anomalous dispersion can to some extent reduce the nonlinear effects which are enhanced with the fiber input power.The result is consistent with the theoretical analysis.更多还原