Ti2C MXene for multi-wavelength enhancement in S-band Q-switched thulium doped fluoride fiber laser

Ahmad, Harith and Kamely, A. A. and Samion, M. Z. and Soo, Y. H. (2022) Ti2C MXene for multi-wavelength enhancement in S-band Q-switched thulium doped fluoride fiber laser. Optical Fiber Technology, 68. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2021.102790.

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A titanium carbide (Ti2C)-based saturable absorber was demonstrated in a compact thulium-doped fluoride fiber laser (TDFFL) configured to generate stable microsecond pulses in single-and multiwavelength operations. An in line Mach-Zehnder interferometer (MZI) based on a two-mode fiber was incorporated into the laser cavity to generate a birefringent effect that has a fixed free spectral range (FSR) and an extinction ratio (ER) of 0.83 nm and 6.17 dB, respectively. At the maximum pump power of 250 mW, the TDFFL generated single-wavelength Q- switched pulses with a maximum frequency of 35.20 kHz, a pulse width of 3.30 mu s, and pulse energy of 2.55 nJ, respectively. In the multiwavelength Q-switching operation, the laser-generated pulses have a frequency, pulse width, and pulse energy of 27.02 kHz, 3.17 mu s, and 1.79 nJ, respectively. The proposed single-and multi wavelength Q-switched fiber lasers were stable and compact, making them suitable for industrial applications.

Item Type: Article
Funders: Universiti Malaya [Grant No: RK021-2019; TOP100PRC; RU002-2020], Ministry of Higher Education, Malaysia under HiCoE Phase II [Grant No: PRC-2014]
Uncontrolled Keywords: S-Band; Q-switched; MXene; Multiwavelength; Fiber laser
Subjects: T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Science > Department of Physics
Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 04 Sep 2023 06:55
Last Modified: 04 Sep 2023 06:55
URI: http://eprints.um.edu.my/id/eprint/43083

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