Formation of noise-like square-wave pulses in a microfiber based topological insulator fiber laser

Jingmin Liu; Shumin Zhang; Xingliang Li; Mengmeng Han; Huiyun Han; Dan Yan; Ce Shang; Yali Feng

doi:10.1117/12.2246333

9 November 2016 Formation of noise-like square-wave pulses in a microfiber based topological insulator fiber laser

Jingmin Liu, Shumin Zhang, Xingliang Li, Mengmeng Han, Huiyun Han, Dan Yan, Ce Shang, Yali Feng

Proceedings Volume 10016, High-Power Lasers and Applications VIII; 100161U (2016) https://doi.org/10.1117/12.2246333
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

We demonstrated the formation of noise-like square-wave pulses in an Er-doped fiber laser, using a microfiber based topological insulator as a saturated absorber (SA). The SA guaranteed both excellent saturable absorption and high nonlinearity. The pulse width can be increased ranging from 0.985 to 5.503 ns by increasing the pump power from 212 to 284 mW with the polarization state fixed. Moreover, with the adjustment of the polarization controllers in the cavity, the pulse width can be adjusted obviously. Worth mentioning, it was the first time that the noise-like square-wave pulse formed in a microfiber based topological insulator fiber laser.

Citation Download Citation

Jingmin Liu, Shumin Zhang, Xingliang Li, Mengmeng Han, Huiyun Han, Dan Yan, Ce Shang, and Yali Feng "Formation of noise-like square-wave pulses in a microfiber based topological insulator fiber laser", Proc. SPIE 10016, High-Power Lasers and Applications VIII, 100161U (9 November 2016); https://doi.org/10.1117/12.2246333

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