| Issue |
MATEC Web of Conferences
Volume 150, 2018
Malaysia Technical Universities Conference on Engineering and Technology (MUCET 2017)
|
|
|---|---|---|
| Article Number | 01009 | |
| Number of page(s) | 6 | |
| Section | Electrical & Electronic | |
| DOI | https://doi.org/10.1051/matecconf/201815001009 | |
| Published online | 23 February 2018 | |
Experimental and Numerical Comparison Q-Switched Fiber Laser Generation using Graphene as Saturable Absorber
Science Department, Faculty Science, Technology and Human Development, University Tun Hussein Onn Malaysia, Parit Raja, 86400, Batu Pahat, Johor
* Corresponding author: norazura@uthm.edu.my
We demonstrated the comparison experimentally and numerically a compact Q-switched erbium-doped fiber (EDF) laser based on graphene as a saturable absorber (SA). By optically driven deposition of graphene on a fiber core, the SA is constructed and inserted into a diode-pumped EDF laser cavity. Lasing in CW region starts at 10 mW, whereas stable self-starting Q-switching with a central wavelength of 1530 nm begins at 18 mW. In this paper, at 35 mW, the maximum pulse energy reaches at 2 μJ with pulse repetition rate of 1 MHz and the narrowest pulse width is around 10 μs is obtained. The stability of the pulse is verified from the radio-frequency (RF) spectrum with a measured signal-to-noise ratio (SNR) of 48 dB. In this study, the design is compared with the simulation using the Optisystem software. The output power of the experimental study is also compared with the simulation to examine the performance.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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