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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 14 — Jul. 6, 2009
  • pp: 11768–11775

Investigation on the effect of EDFA location in ring cavity Brillouin-Erbium fiber laser

Nor Azura Malini, A. Hambali, Mohd Adzir Mahdi, Al-Mansoori Mohammed Hayder, Ahmad Fauzi Abas, and M. Iqbal Saripan  »View Author Affiliations

Optics Express, Vol. 17, Issue 14, pp. 11768-11775 (2009)

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We have investigated the characteristics of Brillouin-Erbium fiber laser (BEFL) with variation of Erbium-doped fiber amplifier (EDFA) locations in a ring cavity configuration. Three possible locations of the EDFA in the laser cavity have been studied. The experimental results show that the location of EDFA plays vital role in determining the output power and the tuning range. Besides the Erbium gain, Brillouin gain also contributes to the performance of the BEFL. By placing the EDFA next to the Brillouin gain medium (dispersion compensating fiber), the Brillouin pump signal is amplified thereby generating higher intensities of Brillouin Stokes line. This efficient process suppresses the free running self-lasing cavity modes from oscillating in cavity as a result of higher Stokes laser power and thus provide a wider tuning range. At the injected Brillouin pump power of 1.6 mW and the maximum 1480 nm pump power of 135 mW, the maximum Stokes laser power of 25.1 mW was measured and a tuning range of 50 nm without any self-lasing cavity modes was obtained.

© 2009 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(140.3500) Lasers and laser optics : Lasers, erbium
(290.5900) Scattering : Scattering, stimulated Brillouin

ToC Category:
Lasers and Laser Optics

Original Manuscript: April 20, 2009
Revised Manuscript: June 1, 2009
Manuscript Accepted: June 3, 2009
Published: June 29, 2009

Nor Azura M. Hambali, Mohd A. Mahdi, Mohammed H. Al-Mansoori, Ahmad F. Abas, and M. I. Saripan, "Investigation on the effect of EDFA location in ring cavity Brillouin-Erbium fiber laser," Opt. Express 17, 11768-11775 (2009)

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