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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 6 — Mar. 19, 2007
  • pp: 3000–3005

Flat amplitude multiwavelength Brillouin-Raman comb fiber laser in Rayleigh-scattering-enhanced linear cavity

A. K. Zamzuri, M. A. Mahdi, A. Ahmad, M. I. Md Ali, and M. H. Al-Mansoori  »View Author Affiliations

Optics Express, Vol. 15, Issue 6, pp. 3000-3005 (2007)

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We investigate the amplitude flatness of Rayleigh-assisted Brillouin-Raman comb laser in a linear cavity in which feedbacks are formed by high-reflectivity mirror. The optimization of Brillouin pump power and wavelength is very crucial in order to obtain a uniform power level between Stokes lines. The Brillouin pump must have a relatively large power and its wavelength must be located closer to the Raman peak gain region. The flat-amplitude bandwidth is also determined by the choice of Raman pump wavelengths. A flat-amplitude bandwidth of 30.7 nm from 1527.32 to 1558.02 nm is measured when Raman pump wavelengths are set to 1435 and 1450 nm. 357 uniform Brillouin Stokes lines with 0.086 nm spacing are generated across the wavelength range. The average signal-to-noise ratio of 17 dB is obtained for all the Brillouin Stokes lines.

© 2007 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(290.5870) Scattering : Scattering, Rayleigh
(290.5900) Scattering : Scattering, stimulated Brillouin
(290.5910) Scattering : Scattering, stimulated Raman

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: January 2, 2007
Revised Manuscript: February 28, 2007
Manuscript Accepted: March 1, 2007
Published: March 19, 2007

A. K. Zamzuri, M. A. Mahdi, A. Ahmad, M. I. Md Ali, and M. H. Al-Mansoori, "Flat amplitude multiwavelength Brillouin-Raman comb fiber laser in Rayleigh-scattering-enhanced linear cavity," Opt. Express 15, 3000-3005 (2007)

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