Ultrashort pulse generation with MXene Ti3C2Tx embedded in PVA and deposited onto D-shaped fiber

Jafry, Afiq Arif Aminuddin and Muhammad, Ahmad Razif and Kasim, Nabilah and Rosol, Ahmad Haziq Aiman and Rusdi, Muhammad Farid Mohd and Alim, Nik Nurul Nazipah Ab and Harun, Sulaiman Wadi and Yupapin, Preecha (2021) Ultrashort pulse generation with MXene Ti3C2Tx embedded in PVA and deposited onto D-shaped fiber. Optics & Laser Technology, 136. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2020.106780.

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A two-dimensional ternary metal carbide or/and nitride known as MXene, own countless merits in terms of electronic and optical properties. Owning to its fast optical-switching capability, strong saturable absorption, good optical damage tolerant, and gapless materials, it attracts a bunch of research efforts in an ultrafast photonics application. Here, the development of MXene-based SA devices for ultrafast laser in an erbium-doped fiber laser (EDFL) cavity was demonstrated. Two MXene Ti3C2Tx-based SAs were prepared, which were a thin film of MXene (MXene-film) and MXene deposited onto D-shaped fiber (MXene-DS), both revealed good nonlinear transmittance properties. The selective etching was used to provide a high-quality MXene powder, and the solution-casting method produced liquid MXene, which was dried to form a thin-film structure, and the liquid MXene was deposited onto the D-shaped fiber structure. The MXene-film and MXene-DS own a modulation depth of 1.22% and 3%, respectively. Later, both SA devices were incorporated into an EDFL cavity, and MXene-film initiated mode-locked (ML) at the low threshold pump of 44 mW, while MXene-DS produce ML at the pump power of 90 mW. The MXene-film generates a 3.64 ps ML with a pulse energy of 6.03 nJ, separately, MXene-DS initiates a 4.6 ps ML with a pulse energy of 7.69 nJ, highest ever reported among MXene-based SA. This demonstration provides a pathway toward high-energy mode-locking applications in the future.

Item Type: Article
Funders: Ministry of Education (MOE) under Fundamental Research Grant Scheme (FRGS) [R. J130000.7854.5F183], MyLab Grant [ML001-2017B]
Uncontrolled Keywords: MXene Ti3C2Tx; Passive saturable absorber; Ultrashort pulse laser; Soliton
Subjects: Q Science > QC Physics
Divisions: Faculty of Engineering > Department of Electrical Engineering
Depositing User: Ms Zaharah Ramly
Date Deposited: 08 Jul 2022 00:24
Last Modified: 08 Jul 2022 00:24
URI: http://eprints.um.edu.my/id/eprint/34092

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