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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 11, Iss. 16 — Aug. 11, 2003
  • pp: 1887–1893

Design of double-pass discrete Raman amplifier and the impairments induced by Rayleigh backscattering

M. Tang, P. Shum, and Y.D Gong  »View Author Affiliations

Optics Express, Vol. 11, Issue 16, pp. 1887-1893 (2003)

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We report on the investigation of discrete Raman fiber amplifier in double-pass configuration based on the dispersion-compensated fiber and high reflection FBG. We proved in simulation and experiments that the double-pass configuration requires nearly 50% less pump power and the same fiber length to provide the same Raman gain and double-dispersion-compensation performance compared to the typical counter-pumped Raman amplifier. We also analyzed the equivalent noise figure (NF) and the Rayleigh backscattering impairments. The theoretical results shown that the impact of multipath interference (MPI) noise is the dominating limitation factor of this system operated at very high Raman gain region.

© 2003 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2400) Fiber optics and optical communications : Fiber properties
(190.5650) Nonlinear optics : Raman effect
(290.5910) Scattering : Scattering, stimulated Raman

ToC Category:
Research Papers

Original Manuscript: June 19, 2003
Revised Manuscript: July 22, 2003
Published: August 11, 2003

M. Tang, P. Shum, and Y. Gong, "Design of double-pass discrete Raman amplifier and the impairments induced by Rayleigh backscattering," Opt. Express 11, 1887-1893 (2003)

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