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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 16 — Aug. 3, 2009
  • pp: 14121–14131

Design methodology for multi-pumped discrete Raman amplifiers: case-study employing photonic crystal fibers

C. E. S. Castellani, S. P. N. Cani, M. E. V. Segatto, M. J. Pontes, and M. A. Romero  »View Author Affiliations


Optics Express, Vol. 17, Issue 16, pp. 14121-14131 (2009)
http://dx.doi.org/10.1364/OE.17.014121


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Abstract

This paper proposes a new design methodology for discrete multi-pumped Raman amplifier. In a multi-objective optimization scenario, in a first step the whole solution-space is inspected by a CW analytical formulation. Then, the most promising solutions are fully investigated by a rigorous numerical treatment and the Raman amplification performance is thus determined by the combination of analytical and numerical approaches. As an application of our methodology we designed an photonic crystal fiber Raman amplifier configuration which provides low ripple, high gain, clear eye opening and a low power penalty. The amplifier configuration also enables to fully compensate the dispersion introduced by a 70-km singlemode fiber in a 10 Gbit/s system. We have successfully obtained a configuration with 8.5 dB average gain over the C-band and 0.71 dB ripple with almost zero eye-penalty using only two pump lasers with relatively low pump power.

© 2009 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2330) Fiber optics and optical communications : Fiber optics communications

ToC Category:
Photonic Crystal Fibers

History
Original Manuscript: April 2, 2009
Revised Manuscript: July 3, 2009
Manuscript Accepted: July 22, 2009
Published: July 30, 2009

Citation
C. E. S. Castellani, S. P. N. Cani, M. E. Segatto, M. J. Pontes, and M. A. Romero, "Design methodology for multi-pumped discrete Raman amplifiers: case-study employing photonic crystal fibers," Opt. Express 17, 14121-14131 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-16-14121


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