Abstract
We will report here on a passively mode-locked erbium-doped fiber (EDF) laser, with large net cavity dispersion. The laser cavity is mounted in a Fabry-Perot configuration. The EDF presents unpumped peak absorption of 80 dB/m at 1530 nm. The gain fiber is pumped through a multiplexer using standard fiber. A segment of dispersion compensated fiber (DCF) has been added in order to build a highly normal dispersion cavity. Its group velocity dispersion (GVD) has been estimated around +0.116 ps <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> /m. Rest of the cavity comprises a 50/50 coupler, coupling lenses and a high modulation depth saturable absorber mirror. In order to obtain more information of the intra-cavity pulse dynamics, we have numerically simulated our laser operation using Nonlinear Schrodinger Equations (NLSE). Numerical simulations accurately reflect experimental results and show that pulse-shaping in this laser could be interpreted as "dissipative solitons".
Published Version
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