对一阶自傅里叶孤子与一阶标准孤子光信号在光纤中传输的相互作用特性进行了数值模拟研究.所用方法为算法内部不存在理论误差的分步傅立叶变换法.结果表明:同为一阶孤子,若振幅不同,三阶色散效应导致的线性延时性不同,振幅越大,延时越多;孤子的近程相互作用会进一步改变孤子的群速度,甚至可以依据两孤子的先后排列方向而决定减速还是增速.
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