提出了自傅里叶孤子概念.对自傅里叶孤子信号及自傅里叶高斯信号在光纤中的演变和传输进行了数值模拟和时频分析.结果表明,输入自傅里叶高斯信号,将演变成一类非自傅里叶孤子;三阶色散效应会影响由自傅里叶高斯信号所演变的孤子的震荡传输幅度,且引起孤子时域延迟、频谱不对称.
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