Thulium/holmium fiber laser with Ti2AlN MAX phase-coated arc-shaped fiber for mode-locked pulse generation

Ahmad, Harith and Sadafi, Neshat and Yusoff, Norazriena and Samion, Muhamad Zharif and Ismail, Mohammad Faizal and Chong, Wu Yi (2022) Thulium/holmium fiber laser with Ti2AlN MAX phase-coated arc-shaped fiber for mode-locked pulse generation. Journal of Nanophotonics, 16 (3). ISSN 1934-2608, DOI https://doi.org/10.1117/1.JNP.16.036006.

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Abstract

A mode-locked thulium-holmium fiber laser operating in the 2.0-mu m wavelength region was demonstrated using a MAX phase titanium aluminum nitride (Ti2AlN)-based saturable absorber (SA). The Ti2AlN was prepared in the solution form and then drop-casted onto a homemade arc-shaped fiber, which served as the SA device. The mode-locked pulses were generated when the pump power was at 119 mW, and the pulses werye sustained up to a pump power of 249 mW. The mode-locked fiber laser using the Ti2AlN-based SA operated with a center wavelength of 1900.6 nm, having a repetition rate and a pulse width of 12.14 MHz and 1.61 ps, respectively. At the maximum pump power, the mode-locked pulses had maximum pulse energy of 0.35 nJ and peak power of 216 W. We propose the generation of short pulses using a MAX phase-based SA that could be useful for various applications in the eye-safe region. (C) 2022 Society of Photo-Optical Instrumentation Engineers (SPIE)

Item Type: Article
Funders: Universiti Malaya [RU005-2021] [TOP100PRC] [RU002-2020], Ministry of Education, Malaysia [HiCoE Phase II (PRC-2014)]
Uncontrolled Keywords: Ti2AlN; MAX phase; Arc-shape fiber; Saturable absorber; Thulium-holmium doped fiber
Subjects: Q Science > QC Physics
Divisions: Faculty of Science
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 14 Sep 2023 07:54
Last Modified: 14 Sep 2023 07:54
URI: http://eprints.um.edu.my/id/eprint/41230

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