Abstract

We propose optimizing multifunctional multistage erbiumdoped fiber amplifiers (EDFAs) with complex structures by use of a genetic algorithm. With this method, we investigated optimum configurations of C- and L-band gain-flattened multistage EDFAs containing gain-flattening filters and high-loss interstage elements for dense wavelength-division multiplexing systems in detail and compared the amplifiers with various kinds of configurations under different design criteria. With the guidance of optimization results, the roles of all the factors such as pumping schemes, pump-power allocation, component position, and insertion loss in the optimization of EDFAs have been studied, and useful guidelines for optimizations have been provided.

© 2004 Optical Society of America

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References

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  1. K. Wundke, �??Advanced amplifier design: physics and systems limitations,�?? in Optical Fiber Communication Conference (OFC 2003), Vol. 86 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2003)
  2. J. Lee, U.-C. Ryu, S. J. Ahn, and N. Park, �??Enhancement of power conversion efficiency for an L-band EDFA with a secondary pumping effect in the unpumped EDF section,�?? IEEE Photon. Technol. Lett. 11, 42-44 (1999)
    [CrossRef]
  3. A. Yeniay and R. Gao, �??Single stage high power L-band EDFA with multiple C-band seeds,�?? in Optical Fiber Communication Conference (OFC 2002), Vol. 70 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2002)
  4. Z. Michalewicz, Genetic Algorithms + Data Structures = Evolution Programs (Springer-Verlag, New York, 1992).
  5. C. R. Giles and E. Desurvire, �??Modeling erbium-doped fiber amplifiers,�?? J. Lightwave Technol. 9, 271-283 (1991).
    [CrossRef]
  6. T. G. Hodgkinson, �??Improved average power analysis technique for erbium-doped fiber amplifiers,�?? IEEE Photon. Technol. Lett. 4, 1273-1275 (1992)
    [CrossRef]
  7. R. Lebref, B. Landousies, T. Georges, and E. Delevaque, �??Theoretical study of the gain equalization of a stabilized gain EDFA for WDM applications,�?? J. Lightwave Technol. 15, 766-770 (1997)
    [CrossRef]
  8. Z. Tong, H. Wei, T. Li, and S. Jian, �??Optimal design of L-band EDFAs with high-loss interstage elements,�?? Opt. Commun. 224, 63-72 (2003)
    [CrossRef]
  9. R. D. Muro, P. N. Kean, S. J. Wilson, and J. Mun, �??Dependence of L-band amplifier efficiency on pump wavelength and amplifier design,�?? in Optical Fiber Communication Conference (OFC 2000), Vol. 37 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2000)

IEEE Photon. Technol. Lett. (2)

J. Lee, U.-C. Ryu, S. J. Ahn, and N. Park, �??Enhancement of power conversion efficiency for an L-band EDFA with a secondary pumping effect in the unpumped EDF section,�?? IEEE Photon. Technol. Lett. 11, 42-44 (1999)
[CrossRef]

T. G. Hodgkinson, �??Improved average power analysis technique for erbium-doped fiber amplifiers,�?? IEEE Photon. Technol. Lett. 4, 1273-1275 (1992)
[CrossRef]

J. Lightwave Technol. (2)

R. Lebref, B. Landousies, T. Georges, and E. Delevaque, �??Theoretical study of the gain equalization of a stabilized gain EDFA for WDM applications,�?? J. Lightwave Technol. 15, 766-770 (1997)
[CrossRef]

C. R. Giles and E. Desurvire, �??Modeling erbium-doped fiber amplifiers,�?? J. Lightwave Technol. 9, 271-283 (1991).
[CrossRef]

Opt. Commun. (1)

Z. Tong, H. Wei, T. Li, and S. Jian, �??Optimal design of L-band EDFAs with high-loss interstage elements,�?? Opt. Commun. 224, 63-72 (2003)
[CrossRef]

Optical Fiber Communication Conference ( (3)

R. D. Muro, P. N. Kean, S. J. Wilson, and J. Mun, �??Dependence of L-band amplifier efficiency on pump wavelength and amplifier design,�?? in Optical Fiber Communication Conference (OFC 2000), Vol. 37 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2000)

K. Wundke, �??Advanced amplifier design: physics and systems limitations,�?? in Optical Fiber Communication Conference (OFC 2003), Vol. 86 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2003)

A. Yeniay and R. Gao, �??Single stage high power L-band EDFA with multiple C-band seeds,�?? in Optical Fiber Communication Conference (OFC 2002), Vol. 70 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2002)

Other (1)

Z. Michalewicz, Genetic Algorithms + Data Structures = Evolution Programs (Springer-Verlag, New York, 1992).

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