Graphene slurry based passive Q-switcher in erbium doped fiber laser

Siti Nur Fatin Zuikafly, Nor Farhah Razak, Rizuan Mohd Rosnan, Sulaiman Wadi Harun, Fauzan Ahmad

Research output: Contribution to journalArticle

Abstract

In this work, a Graphene slurry based passive Q-switcher fabricated from Graphene-Polylactic acid (PLA) filament which is used for 3D printing. To produce the Graphene slurry, the diameter of the filament was reduced and Tetrahydrofuran (THF) was used to dissolve the PLA. The Graphene-THF suspension was drop cast to the end of a fiber ferrule and the THF then evaporated to develop Graphene slurry based SA which is integrated in fiber laser cavity. At threshold input pump power of 30.45 mW, a Q-switched Erbium-doped fiber laser (EDFL) can be observed with the wavelength centered at 1531.01 nm and this remained stable up to a pump power of 179.5 mW. As the pump power was increased gradually, an increase in the repetition rates was recorded from 42 kHz to 125 kHz, while the pulse width was reduced to 2.58 μs from 6.74 μs. The Q-switched laser yielded a maximum pulse energy and peak power of 11.68 nJ and 4.16 mW, respectively. The proposed Graphene slurry based saturable absorber also produced a signal-to-noise ratio of 44 dB indicating a stable Q-switched pulsed laser.

Original languageEnglish
Pages (from-to)1351-1357
Number of pages7
JournalBulletin of Electrical Engineering and Informatics
Volume8
Issue number4
DOIs
Publication statusPublished - Dec 2019

Fingerprint

Erbium-doped Fiber
Graphene
Erbium
Fiber Laser
Fiber lasers
erbium
fiber lasers
graphene
tetrahydrofuran
Pump
Q switched lasers
Pumps
Filament
pumps
filaments
Saturable Absorber
Saturable absorbers
acids
Acids
Laser resonators

Keywords

  • 3D printing
  • Fiber laser
  • Graphene
  • Q-switching
  • Saturable absorber

ASJC Scopus subject areas

  • Computer Science (miscellaneous)
  • Control and Systems Engineering
  • Information Systems
  • Instrumentation
  • Hardware and Architecture
  • Computer Networks and Communications
  • Control and Optimization
  • Electrical and Electronic Engineering

Cite this

Graphene slurry based passive Q-switcher in erbium doped fiber laser. / Zuikafly, Siti Nur Fatin; Razak, Nor Farhah; Rosnan, Rizuan Mohd; Harun, Sulaiman Wadi; Ahmad, Fauzan.

In: Bulletin of Electrical Engineering and Informatics, Vol. 8, No. 4, 12.2019, p. 1351-1357.

Research output: Contribution to journalArticle

Zuikafly, Siti Nur Fatin ; Razak, Nor Farhah ; Rosnan, Rizuan Mohd ; Harun, Sulaiman Wadi ; Ahmad, Fauzan. / Graphene slurry based passive Q-switcher in erbium doped fiber laser. In: Bulletin of Electrical Engineering and Informatics. 2019 ; Vol. 8, No. 4. pp. 1351-1357.
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