Q-switched Raman fiber laser with titanium dioxide based saturable absorber

N. Hisamuddin, Z. Jusoh, U.N. Zakaria, M.Z. Zulkifli, A.A. Latiff, M. Yasin, H. Ahmad, S.W. Harun

Research output: Contribution to journalArticle

Abstract

We demonstrate a Q-switched Raman fiber laser (RFL) using a newly developed Titanium dioxide (TiO2) film based saturable absorber (SA). The SA is fabricated by mixing the dispersed TiO2 suspension into a polyvinyl alcohol solution to form a precursor which is then transformed into a thin film through a drying process at room temperature. It is sandwiched between two fibre ferrules and inserted in a Raman fiber laser cavity with a total cavity length of about 8 km. Self-started pulse train operating at 1558.5 nm is generated as the pump power is increased from 398 mW to 431 mW with a repetition rate that can be tuned from 131.4 to 142.5 kHz. The smallest pulse width of 2.97 µs and the highest energy of 5.81 nJ are obtained at pump power of 431 mW and 427 mW, respectively. These results show that the TiO2 embedded in polymer film has a great potential to be used for pulse generation in Raman fiber laser system.

Original languageEnglish
Pages (from-to)127-130
Number of pages4
JournalOptoelectronics and Advanced Materials, Rapid Communications
Volume11
Issue number3-4
Publication statusPublished - 30 Apr 2017

Fingerprint

Saturable absorbers
Fiber lasers
Titanium dioxide
Pumps
Polyvinyl Alcohol
Laser resonators
Polyvinyl alcohols
Polymer films
Laser pulses
Suspensions
Drying
Thin films
Fibers
titanium dioxide
Temperature

Bibliographical note

n

Keywords

  • fiber lasers
  • Q-switched lasers
  • Raman lasers
  • saturable absorber
  • titanium dioxide

Cite this

Hisamuddin, N., Jusoh, Z., Zakaria, U. N., Zulkifli, M. Z., Latiff, A. A., Yasin, M., ... Harun, S. W. (2017). Q-switched Raman fiber laser with titanium dioxide based saturable absorber. Optoelectronics and Advanced Materials, Rapid Communications, 11(3-4), 127-130.
Hisamuddin, N. ; Jusoh, Z. ; Zakaria, U.N. ; Zulkifli, M.Z. ; Latiff, A.A. ; Yasin, M. ; Ahmad, H. ; Harun, S.W. / Q-switched Raman fiber laser with titanium dioxide based saturable absorber. In: Optoelectronics and Advanced Materials, Rapid Communications. 2017 ; Vol. 11, No. 3-4. pp. 127-130.
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Hisamuddin, N, Jusoh, Z, Zakaria, UN, Zulkifli, MZ, Latiff, AA, Yasin, M, Ahmad, H & Harun, SW 2017, 'Q-switched Raman fiber laser with titanium dioxide based saturable absorber', Optoelectronics and Advanced Materials, Rapid Communications, vol. 11, no. 3-4, pp. 127-130.

Q-switched Raman fiber laser with titanium dioxide based saturable absorber. / Hisamuddin, N.; Jusoh, Z.; Zakaria, U.N.; Zulkifli, M.Z.; Latiff, A.A.; Yasin, M.; Ahmad, H.; Harun, S.W.

In: Optoelectronics and Advanced Materials, Rapid Communications, Vol. 11, No. 3-4, 30.04.2017, p. 127-130.

Research output: Contribution to journalArticle

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AU - Harun, S.W.

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Hisamuddin N, Jusoh Z, Zakaria UN, Zulkifli MZ, Latiff AA, Yasin M et al. Q-switched Raman fiber laser with titanium dioxide based saturable absorber. Optoelectronics and Advanced Materials, Rapid Communications. 2017 Apr 30;11(3-4):127-130.