Tunable Q-switched fiber laser using zinc oxide nanoparticles as a saturable absorber

Ahmad, Harith and Lee, C.S.J. and Ismail, Mohd Afiq and Ali, Z.A. and Reduan, S.A. and Ruslan, N.E. and Harun, Sulaiman Wadi (2016) Tunable Q-switched fiber laser using zinc oxide nanoparticles as a saturable absorber. Applied Optics, 55 (16). p. 4277. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.55.004277.

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Official URL: http://dx.doi.org/10.1364/AO.55.004277


Nanomaterials have ignited new interest due to their distinctive electronic, mechanical, and optical properties. Zinc oxide nanostructures are fabricated into thin film and then inserted between two fiber ferrules to act as a saturable absorber (SA). The modulation depth and insertion loss of the SA are 5% and 3.5 dB, respectively. When the ZnO-SA is incorporated into the laser cavity, a stable Q-switched pulse tunable from 1536 to 1586 nm (50 nm range) with pulse energy up to 46 nJ was observed. Our result suggests that ZnO is a promising broadband SA to generate passively Q-switched fiber lasers.

Item Type: Article
Funders: Ministry of Higher Education, Malaysia (MOHE); University of Malaya (UM): (LRGS(2015)NGOD/UM/KPT, GA010 2014 (ULUNG), RU007 2015)
Uncontrolled Keywords: Fiber lasers; Optical properties; Q switching; Zinc; Zinc oxide
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 24 Oct 2017 06:30
Last Modified: 09 Oct 2018 03:43
URI: http://eprints.um.edu.my/id/eprint/18099

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