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研究色散控制光孤子系统中的放大器的自发辐射噪声与交叉相位调制对孤子传输特性的影响 ,采用变分法分析了色散控制孤子的均方频移、定时抖动和误码特性 ,从降低自发辐射噪声和交叉相位调制扰动引起的均方频移出发 ,确定了补偿段的特性参量 ,给出了三种传输控制方案 ,分析了各方案中色散控制孤子的传输特性 ,其结果对色散控制孤子系统的设计具有参考价值。
The effects of spontaneous emission noise and cross-phase modulation on the propagation properties of solitons in a dispersion-controlled optical soliton system are investigated. The variational method is used to analyze the mean square frequency shift, timing jitter and error characteristics of dispersion-controlled solitons. From the perspective of reducing spontaneous emission Noise and cross-phase modulation perturbation, the characteristic parameters of the compensation section are determined, three transmission control schemes are given, and the transmission characteristics of the dispersion-controlled solitons are analyzed. The results show that the dispersion-controlled soliton system The design has reference value.