Q-switched erbium-doped fiber laser using MoS 2 deposited side-polished D-shape fiber

Jafry, A.A.A. and Arof, Hamzah and Kasim, Nabilah and Munajat, Yusof and Apsari, Retna and Harun, Sulaiman Wadi (2018) Q-switched erbium-doped fiber laser using MoS 2 deposited side-polished D-shape fiber. Nonlinear Optics, Quantum Optics, 49 (3-4). pp. 285-293. ISSN 1543-0537,

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A stable Q-switched erbium doped fiber laser (EDFL) emitting at 1560 nm is demonstrated by using molybdenum sulfide (MoS 2 ) material coated onto a side-polished D-shape fiber as a saturable absorber (SA). By incorporating the MoS 2 SA into the laser cavity, a stable Q-switching pulses train output centered at 1560 nm is observed at threshold pump power of 14.9 mW. As the pump power is gradually increased from 14.9 to 50.5 mW, the repetition rate of the generated pulse increases from 31.1 kHz to 75.5 kHz, while the pulse width decreases from 14.52 µs to 6.76 µs. Under a pump power of 50.5 W, an average output power of 2.47 W and a pulse energy of 32.7 nJ is obtained. This MoS 2 based SA is simple, robust and reliable and thus suitable for making a portable pulse laser source.

Item Type: Article
Funders: Universiti Teknologi Malaysia (under grant number: r. J130000.7826.4F928)
Uncontrolled Keywords: Side-polished fiber; MoS2 nanomaterial; Q-switching PACS: 42.55.Wd; 42.60.Gd; 42.70.Nq
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: 05 Aug 2019 05:08
Last Modified: 05 Aug 2019 05:08
URI: http://eprints.um.edu.my/id/eprint/21768

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