2022
DOI: 10.3390/app12189168
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Broadband Tunable Passively Q-Switched Erbium-Doped ZBLAN Fiber Laser Using Fe3O4-Nanoparticle Saturable Absorber

Abstract: We experimentally demonstrate a passively Q-switched wavelength tunable 2.8 μm erbium-doped fiber laser. Fe3O4 nanoparticles deposited on a gold mirror are used as a saturable absorber (SA). Stable Q-switched pulses within the tunable range of 2710–2810 nm are obtained. At the wavelength of 2760 nm, a maximum Q-switched output power of 188 mW is achieved with a repetition rate of 115.8 kHz and a pulse width of 1.3 μs. The corresponding pulse energy is 1.68 μJ. This demonstration shows the ability of Fe3O4 to f… Show more

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Cited by 3 publications
(1 citation statement)
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“…In the future, artificial SAs may become a real alternative to natural SAs [ 35 ]. Because of the nonlinear optical properties of magnetic nanomaterials and their long relaxation times, they have also been proposed to be used as SAs to generate pulsed fiber lasers [ 36 , 37 ]. In 2016, Bai et al first put forward applying the ferroferric oxide (Fe 3 O 4 ) nanoparticles-based SA in pulsed EDF lasers, achieving a laser output wavelength of 1.55 μm and a laser output of 0.8 mW at a pump power of 110 mW, with a maximal pulse energy of 23.8 nJ, a repetition frequency of 33.3 kHz, and a pulse duration of 3.2 μs [ 38 ].…”
Section: Introductionmentioning
confidence: 99%
“…In the future, artificial SAs may become a real alternative to natural SAs [ 35 ]. Because of the nonlinear optical properties of magnetic nanomaterials and their long relaxation times, they have also been proposed to be used as SAs to generate pulsed fiber lasers [ 36 , 37 ]. In 2016, Bai et al first put forward applying the ferroferric oxide (Fe 3 O 4 ) nanoparticles-based SA in pulsed EDF lasers, achieving a laser output wavelength of 1.55 μm and a laser output of 0.8 mW at a pump power of 110 mW, with a maximal pulse energy of 23.8 nJ, a repetition frequency of 33.3 kHz, and a pulse duration of 3.2 μs [ 38 ].…”
Section: Introductionmentioning
confidence: 99%