Generation of bright-dark Q-switched pulse pair in thulium-doped fiber laser cavity with titanium aluminum carbide absorber

Suziana Omar, Baktiar Musa, Ahmad Haziq Aiman Rosol, Zulzilawati Jusoh, Moh Yasin, Sulaiman Wadi Harun

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The proposed titanium aluminum carbide (Ti3AlC2) film-based saturable absorber (SA) for Q-switching in thulium-doped fiber laser (TDFL) cavity offers a cost-effective and practical alternative to conventional SA materials such as graphene or semiconductor. The Ti3AlC2 film was produced using a simple and low-cost casting approach with polyvinyl alcohol as a binder. The SA was devised from the film using a sandwich-structured fiber-ferrule platform and integrated into a TDFL ring cavity. The generated Q-switched pulses were stable and had a repetition rate of up to 20.82 kHz with a minimum pulse width of 3.167 µs and a maximum pulse energy of 58.12 nJ. The Q-switched laser produced the bright-dark pulse pair. These results demonstrate the potential of Ti3AlC2 as a promising SA material for practical applications in the field of fiber lasers.

Original languageEnglish
Pages (from-to)3333-3340
Number of pages8
JournalMicrowave and Optical Technology Letters
Volume65
Issue number12
DOIs
Publication statusPublished - Dec 2023

Keywords

  • MAX phase
  • Q-switching
  • saturable absorber
  • thulium-doped fiber laser
  • titanium aluminum carbide

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