Abstract
We numerically solve the Haus master equation by split Fourier transform method under Fortran and MATLAB environment to investigate the role of the modulation depth in a mode-locked all-fiber erbium laser with normal cavity dispersion. Through our simulation, we have demonstrated that the modulation depth of the saturable absorber (SA) significantly affects the mode-locking energy, per pulse energy, pulse duration and spectral bandwidth at the laser output for a given cavity design.
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