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Passively Q-switched Erbium-Doped Fiber Laser based on Graphene Oxide as Saturable Absorber

  • A. K. W. Mansoor , Belal Ahmed Hamida EMAIL logo , Tawfig Eltaif , E. I. Ismail , N. A. A. Kadir , Sheroz Khan and S. W. Harun
Published/Copyright: January 27, 2017
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Abstract

In this paper, passively Q-switched fiber laser is demonstrated and the laser output energy is stabilized by using 2.4 m Erbium-doped fiber laser (EDFL) with a graphene oxide used as saturable absorber (GO-SA). According to the experimental results in the Q-switched configuration, the laser cavity emits a wavelength centered at 1,558.75 nm, and by inserting the GO-SA into EDFL cavity, hence, the laser output energy around 1.68 nJ with an FWHM pulse width of 2.3 µs at 123.5 kHz was achieved.

Acknowledgement

This project is supported by the University of Malaya and an express gratitude to them for allowing us to access their photonics research (PR) Lab.

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Received: 2016-11-21
Accepted: 2017-1-2
Published Online: 2017-1-27
Published in Print: 2018-6-26

© 2018 Walter de Gruyter GmbH, Berlin/Boston

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