Titanium carbide MXene for generating Q-switched pulses in erbium-doped fiber laser cavity

M. A.A.B. Sahib, N. F. Zulkipli, Ahmad Haziq Aiman Rosol, Moh Yasin, Sulaiman Wadi Harun

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

In this paper, a new thin-film saturable absorber (SA) that belongs to the MXene family is used to generate Q-switched laser pulses. In constructing the SA, titanium carbide (Ti3C2Tx) powder obtained through a selective etching process is dispersed in polyvinyl alcohol solution before the mixture is dried to form a thin film. A small piece of the film is placed between two fiber ferrules to form a SA device and added to a laser cavity of an erbium-doped fiber laser to produce Q-switched pulses in the region of 1561 nm. The repetition rate of the pulses can be varied between 45.25 and 65.59 kHz with the corresponding pulse width of 5.04–3.11 μs when the pump power is increased from 29.8 to 66.3 mW. At the maximum output power of 8.17 mW, the highest pulse energy of 125 nJ is obtained.

Original languageEnglish
Pages (from-to)2893-2897
Number of pages5
JournalMicrowave and Optical Technology Letters
Volume63
Issue number11
DOIs
Publication statusPublished - Nov 2021

Keywords

  • MXene
  • Q-switching
  • TiCT
  • saturable absorber

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