Sb2Te3 topological insulator based saturable absorber for Er-doped mode-locked fiber lasers

J. Sotor; G. Sobon; Jakub Boguslawski; J. Tarka; Krzysztof M. Abramski

doi:10.1117/12.2080197

4 March 2015 Sb₂Te₃ topological insulator based saturable absorber for Er-doped mode-locked fiber lasers

J. Sotor, G. Sobon, Jakub Boguslawski, J. Tarka, Krzysztof M. Abramski

Proceedings Volume 9344, Fiber Lasers XII: Technology, Systems, and Applications; 93441Z (2015) https://doi.org/10.1117/12.2080197
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

We present an Er-doped fiber mode-locked laser based on an evanescent field interaction with the Sb2Te3 topological insulator. The saturable absorber (SA) consist of a bulk piece of Sb2Te3 material placed on the side-polished fiber in the presence of UV curable polymer. The measured SA optical parameters like: linear absorption, modulation depth and non-saturable loses were of 50%, 6% and 43%, respectively. The SA was spliced into the ring laser cavities characterized by the all-anomalous, all-normal and balanced dispersion. Such laser resonators allowed for optical solitons, dissipative solitons and Gaussian pulses generation with 3dB bandwidth of 8.5 nm, 37 nm and 17 nm, respectively.

Citation Download Citation

J. Sotor, G. Sobon, Jakub Boguslawski, J. Tarka, and Krzysztof M. Abramski "Sb₂Te₃ topological insulator based saturable absorber for Er-doped mode-locked fiber lasers", Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 93441Z (4 March 2015); https://doi.org/10.1117/12.2080197

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