Abstract

We report on the generation of dissipative solitons in an Er-doped fiber laser mode-locked by antimony telluride (${\mathrm{Sb}}_2{\mathrm{Te}}_3$) topological insulator in the near-zero dispersion regime. Layers of ${\mathrm{Sb}}_2{\mathrm{Te}}_3$ were deposited on a side-polished (D-shaped) fiber using a pulsed magnetron sputtering technique. Sub-170-fs pulses with 34-nm full width at half-maximum (FWHM) and 0.21 nJ of pulse energy were obtained from an all-fiber, ring-shaped laser cavity after the compression in a single-mode fiber.

© 2015 Optical Society of America

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