MXene Ti3C2Tx thin film as a saturable absorber for passively mode-locked and Q-switched fibre laser

Rosol, A. H. A. and Jafry, A. A. Aminuddin and Nizamani, B. and Zulkipli, N. F. and Khudus, Muhammad Imran Mustafa Abdul and Yasin, M. and Harun, Sulaiman Wadi (2021) MXene Ti3C2Tx thin film as a saturable absorber for passively mode-locked and Q-switched fibre laser. Journal of Modern Optics, 68 (18). pp. 984-993. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2021.1967494.

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Abstract

We have experimentally demonstrated the mode-locked and Q-switched fibre lasers based on MXene Ti3C2Tx as a saturable absorber (SA). MXene Ti3C2Tx was obtained using selective etching and then embedded into polyvinyl alcohol (PVA) to form the thin film. A stable soliton mode-locked laser was achieved when the Ti3C2Tx film was added in the Erbium-doped fibre laser cavity, and the pump power was adjusted between 55 and 144 mW. The pulse width of mode-locked laser was obtained to be 3.68 ps, while the repetition rate was 1.89 MHz. The maximum average output power and pulse energy were measured to be 24.42 mW and 12.92 nJ. After we decreased the cavity length by removing 100 m of SMF, the same SA could produce Q-switched laser instead of mode-locked laser. The Q-switched laser operated within the pump power of 19-66 mW, having the shortest pulse width and operating wavelength of 2.6 mu s and 1557 nm, respectively.

Item Type: Article
Funders: Institut Pengurusan dan Pemantauan Penyelidikan, Universiti Malaya [ML0012017B], Universitas Airlangga
Uncontrolled Keywords: MXene Ti3C2Tx; Mode-locking; Q-switching; Fibre laser; Saturable absorber
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: Ms Zaharah Ramly
Date Deposited: 22 Aug 2022 04:55
Last Modified: 22 Aug 2022 04:55
URI: http://eprints.um.edu.my/id/eprint/28698

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