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Ultrashort optical pulse repetition rate multiplication based on two-core-fiber Mach-Zehnder interferometer

机译:基于两芯光纤马赫曾德尔干涉仪的超短光脉冲重复频率倍增

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摘要

In this paper, we propose a much compact ultrashort optical pulse repetition rate multiplication approach based on two-core-fiber Mach-Zehnder interferometer. Since the temporal period is approximately inverse-proportional to its spectral spacing, the repetition rate of output pulses can be doubled (Multiplication factor N = 2) by selecting the proper modes and suppressing the undesired spectral lines. Influences of the input frequency deviation and the input/output coupling coefficients (C (in), C (out)) on the quality of multiplied pulses are investigated. Results demonstrate that the multiplication scheme works well for the input frequency deviation of 3% and C (in) (C (out)) ranging from 0.4 to 0.6.
机译:在本文中,我们提出了一种基于两芯光纤马赫曾德尔干涉仪的非常紧凑的超短光脉冲重复频率倍增方法。由于时间周期与其频谱间隔大致成反比,因此通过选择适当的模式并抑制不希望的频谱线,可以使输出脉冲的重复率加倍(倍数N = 2)。研究了输入频率偏差和输入/输出耦合系数(C(输入),C(输出))对乘法脉冲质量的影响。结果表明,该乘法方案对于3%的输入频率偏差和0.4至0.6的C(输入)(C(输出))效果很好。

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