Special Section on 2-D Materials for Optics and Photonics

A pulse-width-tunable, mode-locked fiber laser based on dissipative soliton resonance using a bulk-structured Bi2Te3 topological insulator

[+] Author Affiliations
Junsu Lee, Joonhoi Koo

University of Seoul, School of Electrical and Computer Engineering, 163 Seoulsiripdae-ro, Seoul 130-743, Republic of Korea

Opt. Eng. 55(8), 081309 (Feb 16, 2016). doi:10.1117/1.OE.55.8.081309
History: Received November 10, 2015; Accepted January 20, 2016
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Abstract.  We experimentally demonstrate that a bulk-structured Bi2Te3 topological-insulator (TI)-based saturable absorber can be used with a dissipative soliton resonance based, nanosecond-pulse fiber laser. Our results show that temporal width-tunable, mode-locked pulses can readily be produced through the dissipative soliton resonance effect from an erbium-doped fiber ring cavity into which a bulk-structured Bi2Te3 TI-deposited, side-polished fiber has been incorporated. The temporal width of the output pulses was changeable from 2.7 to 12.8 ns with an increasing pump power, and the corresponding pulse energy increased linearly from 4.7 to 22.4 nJ. This paper reaffirms that a bulk-structured Bi2Te3 TI can be used as an effective material for saturable absorption, and that the material is readily applicable for different types of mode-locked fiber lasers.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Junsu Lee ; Joonhoi Koo and Ju Han Lee
"A pulse-width-tunable, mode-locked fiber laser based on dissipative soliton resonance using a bulk-structured Bi2Te3 topological insulator", Opt. Eng. 55(8), 081309 (Feb 16, 2016). ; http://dx.doi.org/10.1117/1.OE.55.8.081309


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