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Aluminum oxide/polydimethylsiloxane-based Q-switched mode-locked erbium-doped fiber laser


Citation

Mohd Yusoff, N. and Abdul Hadi, M.A.W. and Zainol Abidin, N.H. and Alresheedi, M.T. and Goh, C. S. and Mahdi, M.A. (2022) Aluminum oxide/polydimethylsiloxane-based Q-switched mode-locked erbium-doped fiber laser. Optik - International Journal for Light and Electron Optics, 257. art. no. 168730. pp. 1-10. ISSN 0030-4026

Abstract

A Q-switched mode-locked (QSML) erbium-doped fiber laser integrating aluminum oxide saturable absorber (Al2O3-SA) is demonstrated. With the help of polydimethylsiloxane polymer, Al2O3 powder was securely transferred on a tapered fiber surface and functioned as SA. A QSML pulse sequence was realized at a central wavelength of 1567.4 nm from 80 to 320 mW pump power with its envelope repetition rate ranging from 30.59 to 77.46 kHz. The short duration of 2.54 µs Q-switched envelope comprised of 8.3 ns ML pulses with 252 nJ pulse energy was realized at the maximum pump power of 320 mW. The high damage threshold of Al2O3-SA of beyond 7 GW/cm2 contributes to the future exploration of bulk metal oxide for high-energy optical pulse generation in near-infrared wavelengths.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.1016/j.ijleo.2022.168730
Publisher: Elsevier
Keywords: Q-switched mode-locking; Aluminum oxide; Polydimethylsiloxane; Tapered fiber; Saturable absorber
Depositing User: Ms. Nur Faseha Mohd Kadim
Date Deposited: 15 Jul 2024 02:33
Last Modified: 15 Jul 2024 02:33
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.ijleo.2022.168730
URI: http://psasir.upm.edu.my/id/eprint/100174
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