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Broadband wavelength-tunable ultrashort pulse source using a Mach-Zehnder modulator and dispersion-flattened dispersion-decreasing fiber

机译:使用Mach-Zehnder调制器和色散平坦的色散减小光纤的宽带波长可调超短脉冲源

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摘要

The broadband wavelength tunability of femtosecond pulse generation using a Mach-Zehnder-modulator-based flat-comb generator (MZ-FCG) and a dispersion-flattened dispersion-decreasing fiber (DF-DDF) was demonstrated. Near-Fourier-transform-limit picosecond pulses generated from the MZ-FCG were compressed into femtosecond pulses by adiabatic soliton compression. By tuning the wavelength of the input cw light, 200 fs, 10 GHz pulses were generated in the wavelength range of 1535 to 1570 nm. Such wide-range wavelength tunability was realized by both the independence of a comb-flattening condition from the inputted wavelength and the dispersion flatness of the DF-DDF.
机译:证明了使用基于Mach-Zehnder调制器的扁平梳状发生器(MZ-FCG)和色散平坦的色散减小光纤(DF-DDF)产生的飞秒脉冲的宽带波长可调性。通过绝热孤子压缩,将从MZ-FCG产生的近傅里叶变换极限皮秒脉冲压缩为飞秒脉冲。通过调节输入的连续光的波长,在1535至1570 nm的波长范围内产生了200 fs,10 GHz的脉冲。通过梳齿平坦化条件与输入波长的独立性以及DF-DDF的色散平坦度,实现了这种宽范围的波长可调性。

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