Q-switched and tunable wavelength fiber laser utilizing nickel oxide saturable absorber and sagnac loop mirror filter

Zairi Ismael Rizman and Nur F. Zulkipli and Hamzah Arof and Moh. Yasin and Sulaiman Wadi Harun (2020) Q-switched and tunable wavelength fiber laser utilizing nickel oxide saturable absorber and sagnac loop mirror filter. Infrared Physics and Technology, 109. ISSN 1350-4495

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We demonstrate a Q-switched Erbium-doped fiber laser (EDFL) with a tunable output wavelength using Nickel oxide (NiO) saturable absorber (SA) in conjunction with a Sagnac loop mirror (SLM) filter. The proposed SA was prepared by embedding NiO nanoparticles obtained bysimplistic sonochemical reaction into polyethylene oxide (PEO). The NiO PEO film was integrated into a figure-of-eight resonator configured with a SLM to generate Q-switched pulses with a tunable output wavelength. As the SLM temperature was increased from 30 °C to 70 °C, the laser operation can be tuned from 1551.9 nm to 1544.1 nm. At 1551.9 nm operation, the repetition rate rose from 36.2 kHz to 40.3 kHz and the pulse duration reduced from 10.00 to 9.32 μs when the pump power rose from 131.5 to 161.0 mW. At the highest pump power of 161.0 mW, the maximum output power and pulse energy were obtained at 0.67 mW and 16.6 nJ. For Q-switched operation at 1544.1 nm, the produced Q-switched pulse exhibited a pulse duration of 8.88 μs, the repetition rate of 45.7 kHz, the highest output power of 0.60 mW and pulse energy of 13.1 nJ at the maximum pump power of 161.0 mW. © 2020 Elsevier B.V.

Item Type: Article
Additional Information: cited By 0
Uncontrolled Keywords: Fiber lasers; Laser mirrors; Optical pumping; Polyethylene oxides; Pulse repetition rate; Q switching; Saturable absorbers, Erbium doped fiber laser; Maximum output power; Maximum pump power; Nickel oxides (NiO); Polyethylene oxide (PEO); Q-switched operation; Sagnac loop mirror; Sonochemical reactions, Nickel oxide
Subjects: Q Science > QC Physics > QC1-999 Physics
Q Science > QC Physics > QC350-467 Optics. Light
Divisions: Artikel Ilmiah > SCOPUS INDEXED JOURNAL
Zairi Ismael RizmanUNSPECIFIED
Moh. YasinNIDN0003126704
Sulaiman Wadi HarunUNSPECIFIED
Depositing User: Ika Rudianto
Date Deposited: 03 Feb 2021 04:26
Last Modified: 03 Feb 2021 04:26
URI: http://repository.unair.ac.id/id/eprint/102304
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