Abstract

Dissipative soliton (DS) is demonstrated in a large anomalous dispersion ytterbium-doped fiber laser. A chirped fiber Bragg grating is implemented into a figure-of-9 cavity to provide a large anomalous dispersion. A self-starting and stable DS operation is achieved with 3.5 nJ pulse energy and 12.9 ps pulse duration under a 26.4 MHz repetition rate. Numerical simulations reveal that the DSs presented here experience strong temporal, spectral, and chirp breathing in the cavity. Thanks to the characteristic chirp breathing, the output DS pulses can maintain a narrow spectral bandwidth of 0.17 nm. We believe that the laser design presented here has a lot of potential and could be an outstanding ultrafast seed laser solution for industrial applications including micromachining and hard-brittle material processing.

© 2020 Optical Society of America

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