Q-switched fiber laser with tungsten disulfide saturable absorber prepared by drop casting method

Razak, Nurul Nadia and Yasin, Moh and Zakaria, Zahriladha and Latiff, Anas Abdul and Harun, Sulaiman Wadi (2017) Q-switched fiber laser with tungsten disulfide saturable absorber prepared by drop casting method. Photonics Letters of Poland, 9 (3). pp. 103-105. ISSN 2080-2242

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Official URL: https://doi.org/10.4302/plp.v9i3.752

Abstract

We experimentally demonstrate a passively Q-switched erbium-doped fiber laser (EDFL) operation by using a saturable absorber (SA) based on tungsten disulfide (WS2). By depositing a WS2 thin film layer at the end of an optical fiber ferrule, we fabricated an SA device. The SA is incorporated into an Erbium-doped fiber laser (EDFL) cavity to generate a Q-switching pulses train operating at 1559.8 nm. As a result, stable passively Q-switched EDFL pulses with a maximum output pulse energy of 123.2nJ, repetition rate of 104.1kHz, and pulse width of 9.61μs are achieved when the input pump power is 142.1mW at a wavelength of 980nm.

Item Type: Article
Uncontrolled Keywords: Deposition; Erbium; Fiber lasers; Fibers; Optical fiber fabrication; Optical fibers; Optical pumping; Pulse repetition rate; Saturable absorbers; Tungsten
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 27 Dec 2018 02:57
Last Modified: 27 Dec 2018 02:57
URI: http://eprints.um.edu.my/id/eprint/19821

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