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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 20, Iss. 3 — Mar. 1, 2002
  • pp: 379–

Numerical Comparison Between Distributed and Discrete Amplification in a Point-to-Point 40-Gb/s 40-WDM-Based Transmission System With Three Different Modulation Formats

D. Dahan and G. Eisenstein

Journal of Lightwave Technology, Vol. 20, Issue 3, pp. 379- (2002)


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Abstract

In this paper, we describe a detailed numerical investigation on the relative merits of gain flattened distributed Raman amplification (DRA) and discrete gain flattened amplifiers. We simulate a system with forty 40-Gb/s channels spaced at 100 GHz and compare the performance of three different modulation formats nonreturn-to-zero (NRZ), return-to-zero (RZ) and carrier-suppressed RZ (CS-RZ). Three types of amplifiers, multifrequency backward-and forward-pumped DRAs, and an idealized discrete gain flattened amplifier are examined for various signal powers and transmission distances. For the backward-pumped DRA, we also describe calculated tolerance limits imposed by incomplete dispersion slope compensation and polarization mode dispersion (PMD) level.

[IEEE ]

Citation
D. Dahan and G. Eisenstein, "Numerical Comparison Between Distributed and Discrete Amplification in a Point-to-Point 40-Gb/s 40-WDM-Based Transmission System With Three Different Modulation Formats," J. Lightwave Technol. 20, 379- (2002)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-20-3-379

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