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Dual-wavelength thulium ytterbium Co-doped fiber laser

Haris, Hazlihan and Muhammad, Ahmad Razif and Saidin, Norazlina and Zainal Abidin, Mohd. Shahnan and Arof, Hamzah and Paul, Mukul Chandra and Harun, Sulaiman Wadi (2017) Dual-wavelength thulium ytterbium Co-doped fiber laser. Indonesian Journal of Electrical Engineering and Computer Science, 8 (2). pp. 457-461. ISSN 2502-4752 E-ISSN 2502-4760

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We report on the generation of dual-wavelength fiber laser peaking at 1990.64 and 1998.92 nm with a simple ring cavity setup. The lasers are demonstrated using a fabricated silica-based nanoengineered octagonal shaped double-clad Thulium-Ytterbium co-doped fiber (TYDF) as a gain medium in a simple all-fiber ring configuration. By using 980 nm multimode laser, a stable dual-wavelength laser is generated at a threshold pump power of 1500 mW due to the non-polarization rotation (NPR) effect occurred in the cavity. The effect has been self-controlled by a suppression of mode competition in the gain medium. The result shows that the slope efficiency of the generated dual–wavelength laser is measured to be 27.23%. This dual-wavelength TYDF laser operated steadily at room temperature with a 34 dB optical signal-to-noise ratio

Item Type: Article (Journal)
Additional Information: 5653/62818
Uncontrolled Keywords: Dual-wavelength fiber laser, nano-engineered glass, silica-based TYDF, NPR effect
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Kulliyyah of Engineering > Department of Electrical and Computer Engineering
Depositing User: Norazlina Saidin
Date Deposited: 19 Mar 2018 20:35
Last Modified: 19 Mar 2018 20:35
URI: http://irep.iium.edu.my/id/eprint/62818

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