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Adiabatic pulse propagation in a dispersion-increasing fiber for spectral compression exceeding the fiber dispersion ratio limitation

机译:绝热脉冲在用于光谱压缩的色散增加光纤中的传播超过了光纤色散比限制

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摘要

Adiabatic soliton spectral compression in a dispersion-increasing fiber (DIF) with a linear dispersion ramp is studied both numerically and experimentally. The anticipated maximum spectral compression ratio (SCR) would be limited by the ratio of the DIF output to the input dispersion values. However, our numerical analyses indicate that SCR greater than the DIF dispersion ratio is feasible, provided the input pulse duration is shorter than a threshold value along with adequate pulse energy control. Experimentally, a SCR of 28.6 is achieved in a 1 km DIF with a dispersion ratio of 22.5.
机译:数值和实验研究了具有线性色散斜率的色散增加光纤(DIF)中的绝热孤子谱压缩。预期的最大频谱压缩率(SCR)将受DIF输出与输入色散值之比的限制。但是,我们的数值分析表明,只要输入脉冲持续时间短于阈值以及适当的脉冲能量控制,SCR大于DIF色散比是可行的。实验上,在1 km DIF中,分散比为22.5,SCR达到28.6。

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