Passively mode-locked ytterbium-doped fiber laser operation with few layer MoS2 PVA saturable absorber

Al-Masoodi, Ahmed Hasan Hamood and Ahmed, Mahmoud Hazzaa M. and Latiff, Anas Abdul and Azzuhri, Saaidal Razalli and Arof, Hamzah and Harun, Sulaiman Wadi (2017) Passively mode-locked ytterbium-doped fiber laser operation with few layer MoS2 PVA saturable absorber. Optik, 145. pp. 543-548. ISSN 0030-4026

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Official URL: https://doi.org/10.1016/j.ijleo.2017.08.011

Abstract

A passive mode-locked Ytterbium-doped fiber laser (YDFL) is experimentally demonstrated using a multi-layered molybdenum disufide (MoS2) as a Saturable Absorber (SA). The MoS2 film was obtained based on a liquid phase exfoliation of MoS2 crystal. A small slice of MoS2 film was sandwiched in between two optical ferrules via a fiber adapter and linked into an YDFL cavity to generate a stable mode-locked operation at a wavelength of 1073.86 nm with repetition rate of 18.8 MHz. At pump power of 202.9 mW, the maximum pulse energy of 0.1 nJ was achieved with an output power of 1.84 mW. The MoS2 film was fabricated through a simple process and it has a modulation depth of 9.7% and saturating intensity of 40 MW/cm2.

Item Type: Article
Uncontrolled Keywords: Mode locked; Optical fiber pulses; Ytterbium-doped fiber laser; Saturable absorber
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science > Dept of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 23 Nov 2018 04:22
Last Modified: 23 Nov 2018 04:22
URI: http://eprints.um.edu.my/id/eprint/19718

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