Thulium/holmium fiber laser with Ti2AlN MAX phase-coated arc-shaped fiber for mode-locked pulse generation
Document Type
Article
Publication Date
7-1-2022
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)
Keywords
Ti2AlN, MAX phase, Arc-shape fiber, Saturable absorber, Thulium-holmium doped fiber
Divisions
Science
Funders
Universiti Malaya [RU005-2021] [TOP100PRC] [RU002-2020],Ministry of Education, Malaysia [HiCoE Phase II (PRC-2014)]
Publication Title
Journal of Nanophotonics
Volume
16
Issue
3
Publisher
Society of Photo-optical Instrumentation Engineers
Publisher Location
1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98225 USA