"Magic" dispersion maps with distributed Raman amplification

Sonia A. Boscolo*, Sergei K. Turitsyn, Juan D. Ania-Castañón, Keith J. Blow

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

We analyze pulse propagation in an optical fiber with a periodic dispersion map and distributed amplification. Using an asymptotic theory and a momentum method, we identify a family of dispersion management schemes that are advantageous for massive multichannel soliton transmission. For the case of two-step dispersion maps with distributed Raman amplification to compensate for the fiber loss, we find special schemes that have optimal (chirp-free) launch point locations that are independent of the fiber dispersion. Despite the variation of dispersion with wavelength due to the fiber dispersion slope, the transmission in several different channels can be optimized simultaneously using the same optimal launch point. The theoretical predictions are verified by direct numerical simulations. The obtained results are applied to a practical multichannel transmission system.

Original languageEnglish
Pages (from-to)1652-1662
Number of pages11
JournalTheoretical and Mathematical Physics
Volume137
Issue number3
DOIs
Publication statusPublished - Dec 2003

Keywords

  • averaging methods
  • dispersion-managed solitons
  • Raman amplification

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