Abstract
Pulse compression characteristics in dispersion-decreasing-like fibers (DDLF) are firstly investigated by employing the second-harmonic generation frequency-resolved optical gating (SHG-FROG) technique, are compared with the numerical results that are obtained using the split-step Fourier method. It is found that the experimental data are consistent with the numerical results. The results show that the pulse compression method is effective. The pulse can be effectively compressed and its spectrum can be broadened in the DDLF. That the pulse compression effect is enhanced with the increase of the input power is in correspondence with the spectrum broadening.
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