Wide-band, passively Q-switched Yb- and Tm-doped fibre laser using WSSe saturable absorber

Ahmad, Harith and Aidit, Siti Nabila and Ooi, Shok Ing and Tiu, Zian Cheak (2018) Wide-band, passively Q-switched Yb- and Tm-doped fibre laser using WSSe saturable absorber. Journal of Modern Optics, 65 (17). pp. 2044-2050. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2018.1489080.

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Official URL: https://doi.org/10.1080/09500340.2018.1489080


A wide-band, passively Q-switched fibre lasers based on ytterbium- and thulium-doped fibre gain medium are proposed and demonstrated. The lasers employ a transition metal dichalcogenide, tungsten sulphoselenide as a saturable absorber (SA) which is prepared by mechanical exfoliation technique. By integrating the SA in the laser cavities, self-starting Q-switched at 1038 and 1982 nm are obtained. The generated pulses exhibit a microsecond pulse duration with few kilohertz repetition rate. The proposed SA has high potential as a new material to cater to the needs of various scientific, industrial and biomedical applications.

Item Type: Article
Funders: Ministry of Higher Education Malaysia under the grants LRGS (2015) / NGOD / KPT / UM and GA 010–2014 (ULUNG), University of Malaya (Universiti Malaya) under the grant RU 001–2017
Uncontrolled Keywords: Passively Q-switched; ytterbium-doped fibre laser; thulium-doped fibre laser; transition metal dichalcogenide; WSSe
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 07 Oct 2019 02:55
Last Modified: 07 Oct 2019 02:55
URI: http://eprints.um.edu.my/id/eprint/22675

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