O-band mode-locked praseodymium-doped fluoride fiber laser using nickel phosphorus trisulfide

Ahmad, Harith and Nizamani, Bilal and Azam, A. D. and Samion, Muhamad Zharif and Yasin, M. and Sun, S. (2023) O-band mode-locked praseodymium-doped fluoride fiber laser using nickel phosphorus trisulfide. Optics and Laser Technology, 160. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2022.109090.

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In this work, we demonstrated a mode-locked fiber laser operating in the O-band region using nickel phosphorus trisulfide (NiPS3) as a saturable absorber (SA) for the first time. An arc-shaped fiber was coated with a layer of NiPS3 to serve as the SA which was then integrated into a praseodymium (Pr3+)-doped fluoride fiber laser (PDFFL) cavity for signal emission at 1.3 mu m. The mode-locked laser operates at a center wavelength of 1302.3 nm, around the zero-dispersion wavelength. The mode-locked PDFFL has a repetition rate and signal-to-noise ratio (SNR) of 0.403 MHz and 55 dB, respectively. Ultrashort pulses of 370 fs were generated using the NiPS3-SA with a pulse energy of 17.1 nJ and a peak power of 46.2 kW. The NiPS3-SA in our work has shown the potential of this 2D nanomaterial ability to generate mode-locked pulses at 1.3 mu m, which was rarely explored.

Item Type: Article
Funders: Ministry of Education, Malaysia (Grant No: PRC-2014), Universiti Malaya (Grant No: RU005-2021 & RK021- 2019)
Uncontrolled Keywords: Mode-locking; O-band; Fluoride fiber; Fiber laser; Saturable absorber
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre
Depositing User: Ms Zaharah Ramly
Date Deposited: 29 Nov 2023 08:24
Last Modified: 29 Nov 2023 08:24
URI: http://eprints.um.edu.my/id/eprint/39156

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