@article{Razak_Yasin_Zakaria_Latiff_Harun_2017, title={Q-switched fiber laser with tungsten disulfide saturable absorber prepared by drop casting method}, volume={9}, url={https://www.photonics.pl/PLP/index.php/letters/article/view/9-37}, DOI={10.4302/plp.v9i3.752}, abstractNote={We experimentally demonstrate a passively Q-switched erbium-doped fiber laser (EDFL) operation by using a saturable absorber (SA) based on tungsten disulfide (WS<sub>2</sub>). By depositing WS<sub>2</sub> thin film layer at the end of optical fiber ferrule, we fabricated a 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 maximum output pulse energy of 123.2 nJ, repetition rate of 104.1 kHz, and pulse width of 9.61 us are achieved when the input pump power is 142.1 mW at the wavelength of 980 nm. <br /> <br /> Full Text: <a class="file" href="/PLP/index.php/letters/article/view/9-37/494" target="_parent">PDF</a> <br /> <br /> <strong>References</strong><ol><li>C. Gao, W. Zhao, Y. Wang, S. Zhu, G. Chen, and Y. Wang, "Passive Q-switched fiber laser with SESAM in ytterbium-doped double-clad fiber", in 27th International congress on High-Speed Photography and Photonics (International Society for Optics and Photonics, 2007). <a class="file" href="https://doi.org/10.1117/12.725390" target="_parent"> CrossRef </a></li><li>M. Ahmed, N. Ali, Z. Salleh, A. Rahman, S. Harun, M. 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