Tunable Q-switched erbium-doped fiber laser in the C-band region using nanoparticles (TiO2)

Ahmad, Harith and Reduan, Siti Aisyah and Ruslan, Nur E'zzati and Lee, Cherrie Sue Jing and Zulkifli, Mohd Zamani and Thambiratnam, Kavintheran (2019) Tunable Q-switched erbium-doped fiber laser in the C-band region using nanoparticles (TiO2). Optics Communications, 435. pp. 283-288. ISSN 0030-4018

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Official URL: https://doi.org/10.1016/j.optcom.2018.11.035

Abstract

A tunable, passively Q-switched fiber laser using titanium dioxide (TiO2) as saturable absorber (SA) is proposed and demonstrated. The TiO2 SA has an insertion loss and modulation depth of 2.6 dB and 19.1 % respectively. The generated laser output has a repetition rate of 83.3 kHz and pulse-width of 0.08 μs at a maximum pump power of 270.0 mW. On the other hand, tuning the operational wavelength from 1534.0 nm to 1570 nm while fixing the pump power at 70.0 mW varies the repetition rate and pulse width from 50.5 to 22.2 kHz and 1.3 to 2.7 μs respectively. The results indicate that TiO2 could be an inexpensive and efficient SA for generating passively Q-switched fiber laser.

Item Type: Article
Uncontrolled Keywords: Q-switched; Tunable; Fiber laser; Titanium dioxide; Saturable absorber
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Faculty of Science > Dept of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 23 Jan 2019 08:16
Last Modified: 23 Jan 2019 08:16
URI: http://eprints.um.edu.my/id/eprint/20137

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