Q-switched erbium-doped fiber laser with molybdenum disulfide (MoS2) nanoparticles on D-shaped fiber as saturable absorber

In this study, short Q-switching laser pulses are generated by drop-casting two-dimensional Molybdenum Disulfide (MoS2) nanoparticles as saturable absorbers (SA) on a side polished optical fiber in a C-band laser cavity. The proposed laser is capable of generating highly stable Q-switched laser puls...

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Bibliographic Details
Main Authors: Ahmad, Harith, Soltani, Soroush, Thambiratnam, Kavintheran
Format: Article
Published: World Scientific Publishing 2019
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Online Access:http://eprints.um.edu.my/24327/
https://doi.org/10.1142/S0218863519500267
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Summary:In this study, short Q-switching laser pulses are generated by drop-casting two-dimensional Molybdenum Disulfide (MoS2) nanoparticles as saturable absorbers (SA) on a side polished optical fiber in a C-band laser cavity. The proposed laser is capable of generating highly stable Q-switched laser pulses at the wavelength of 1559.42nm with a maximum repetition rate of 73.96kHz, and a minimum pulse width of 1.93μs. The relatively high signal-to-noise ratio of 58.7dB indicates a highly stable output. The proposed SA can be applied in a variety of fields due to its ease of manufacturing and cost-effectiveness as well as its robust and compact design. © 2019 World Scientific Publishing Company.