Pabively Q-switched erbium-doped fiber laser using Fe3O4-nanoparticle saturable absorber

Xuekun Bai; Chengbo Mou; Luxi Xu; Shaofei Wang; Shengli Pu; Xianglong Zeng

doi:10.7567/APEX.9.042701

Pabively Q-switched erbium-doped fiber laser using Fe₃O₄-nanoparticle saturable absorber

Xuekun Bai, Chengbo Mou, Luxi Xu, Shaofei Wang, Shengli Pu, Xianglong Zeng

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

Abstract

We experimentally demonstrate pabively Q-switched erbium-doped fiber laser (EDFL) operation using a saturable absorber (SA) based on Fe₃O₄ nanoparticles (FONPs). As a type of transition metal oxide, the FONPs have a large nonlinear optical response and fast response time. The FONPbased SA pobebes a modulation depth of 8.2% and nonsaturable absorption of 56.6%. Stable pabively Q-switched EDFL pulses with an output pulse energy of 23.76 nJ, a repetition rate of 33.3 kHz, and a pulse width of 3.2 μs were achieved when the input pump power was 110mW. The laser features a low threshold pump power of > 15mW.

Original language	English
Article number	42701
Journal	Applied Physics Express
Volume	9
Issue number	4
DOIs	https://doi.org/10.7567/APEX.9.042701
Publication status	Published - 4 Mar 2016

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title = "Pabively Q-switched erbium-doped fiber laser using Fe3O4-nanoparticle saturable absorber",

abstract = "We experimentally demonstrate pabively Q-switched erbium-doped fiber laser (EDFL) operation using a saturable absorber (SA) based on Fe3O4 nanoparticles (FONPs). As a type of transition metal oxide, the FONPs have a large nonlinear optical response and fast response time. The FONPbased SA pobebes a modulation depth of 8.2% and nonsaturable absorption of 56.6%. Stable pabively Q-switched EDFL pulses with an output pulse energy of 23.76 nJ, a repetition rate of 33.3 kHz, and a pulse width of 3.2 μs were achieved when the input pump power was 110mW. The laser features a low threshold pump power of > 15mW.",

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AU - Bai, Xuekun

AU - Mou, Chengbo

AU - Xu, Luxi

AU - Wang, Shaofei

AU - Pu, Shengli

AU - Zeng, Xianglong

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AB - We experimentally demonstrate pabively Q-switched erbium-doped fiber laser (EDFL) operation using a saturable absorber (SA) based on Fe3O4 nanoparticles (FONPs). As a type of transition metal oxide, the FONPs have a large nonlinear optical response and fast response time. The FONPbased SA pobebes a modulation depth of 8.2% and nonsaturable absorption of 56.6%. Stable pabively Q-switched EDFL pulses with an output pulse energy of 23.76 nJ, a repetition rate of 33.3 kHz, and a pulse width of 3.2 μs were achieved when the input pump power was 110mW. The laser features a low threshold pump power of > 15mW.

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Pabively Q-switched erbium-doped fiber laser using Fe₃O₄-nanoparticle saturable absorber

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