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Fourth-order dispersion suppression of ultrashort optical pulses by second-order dispersion and cosine phase modulation

机译:通过二阶色散和余弦相位调制抑制超短光脉冲的四阶色散

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摘要

A technique for significantly suppressing severe fourth-order dispersion of ultrashort optical pulses in long-distance transmission is analyzed by use of the quadratic phase from the excess second-order dispersion of the fiber link in conjunction with synchronously applied cosine phase modulation of temporally stretched pulses. Numerical simulation predicts much improved transmission of 250-fs pulses at 5-10-GHz repetition rates over ~100 km of fiber by π-3.5π phase modulation.
机译:通过使用光纤链路中多余的二阶色散中的二次相位以及同步应用的时间拉伸脉冲的余弦相位调制,分析了一种在远距离传输中显着抑制超短光脉冲的严重四阶色散的技术。 。数值模拟预测,通过π-3.5π相位调制,在约100 km的光纤上,以5-10-GHz重复频率传输250-fs脉冲将有很大改善。

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