Mahdi, R. I. and Shakaty, Aseel A. and Hmood, Jassim K. and Najm, Mustafa Mohammed and Al-Bahnam, Nabil Janan and Harun, Sulaiman Wadi (2024) Nanostructured LNTO saturable absorber for generating multi-wavelength laser in Q-switched EDFL. Optical Materials, 157 (1). ISSN 0925-3467, DOI https://doi.org/10.1016/j.optmat.2024.116122.
Full text not available from this repository.Abstract
In this paper, we propose a new and efficient ferroelectric nanostructure metal oxide lithium niobate (Li1.075Nb0.625Ti0.45O3), (LNTO)] solid film as a saturable absorber (SA) for modulating passive Q-switched erbium-doped fiber laser (EDFL). The SA is fabricated as a nanocomposite solid film by the drop-casting process in which the LNTO is planted within polyvinylidene fluoride-trifluoroethylene P(VDF-TrFE)] as host copolymer. The optical and physical characteristics of the solid film are experimentally established. The SA is incorporated within the cavity of EDFL to examine its capability for producing multi-wavelength laser. The experimental results proved that a multi-wavelength laser is produced, where stable four lines with central wavelengths at 1529.5, 1530.5, 1531.5, and 1532 nm are observed on the laser spectrum at 157 mW pumped power. Furthermore, at maximum available pumped power (157 mW), laser pulses are running with a rate of 178 kHz and pulse width of 2.64 mu s. The output power of 3.7 mW is attained at pumped power of 157 mW. The result proved that the LNTO-SA could be a potential candidate for generating multi-wavelength passive Q-switched fiber laser pulses.
| Item Type: | Article |
|---|---|
| Funders: | UNSPECIFIED |
| Uncontrolled Keywords: | Erbium-doped fiber lasers; Saturable absorber; Metal oxide lithium niobate; Multi-wavelength lasers; Q-switched lasers |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Faculty of Engineering > Department of Electrical Engineering |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 24 Oct 2025 12:13 |
| Last Modified: | 24 Oct 2025 12:13 |
| URI: | http://eprints.um.edu.my/id/eprint/46468 |
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