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Sc2O3 PVA Film for Switching and Mode-Locking Application in Erbium-Doped Fiber Laser Cavity

We generated Q-switched and mode-locked pulses by making use of the saturable absorption characteristic of scandium oxide (Sc2O3) film, which was obtained by embedding Sc2O3 nanopowders into polyvinyl alcohol film. The Q-switched laser operated at center wavelength of 1560.5 nm with the maximum puls...

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Bibliographic Details
Main Authors: Zulkipli, Nur Farhanah, Samsamnun, Farina Saffa Mohamad, Rosol, Ahmad Haziq Aiman, Altuncu, Ahmet, Rusdi, Muhammad Farid Mohd, Mahyuddin, Mohamad Badrol Hisyam, Abdul Khudus, Muhammad Imran Mustafa, Hanafi, Effariza, Harun, Sulaiman Wadi
Format: Article
Published: Taylor & Francis 2020
Subjects:
QC Physics
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://eprints.um.edu.my/25684/
https://doi.org/10.1080/01468030.2020.1805529
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Summary:We generated Q-switched and mode-locked pulses by making use of the saturable absorption characteristic of scandium oxide (Sc2O3) film, which was obtained by embedding Sc2O3 nanopowders into polyvinyl alcohol film. The Q-switched laser operated at center wavelength of 1560.5 nm with the maximum pulse energy of 65.6 nJ and 4.4% slope efficiency. With the addition of a 200 m extra single-mode fiber in the ring cavity, a self-starting mode-locked EDFL was implemented. The mode-locked pulses operated at a central wavelength of 1565.4 nm with a repetition rate of 1.0 MHz and a pulse duration of 3.50 ps. © 2020 Taylor & Francis.

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