Regular perturbation for the weak-dispersion regime

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We present a novel analytical model for the lossless fiber in the weak-dispersion regime. The model is compared to three other models via simulations using the split-step Fourier method. These simulations explore the validity of the models with respect to parameters that affect the signal after the fiber propagation. In one of the systems under consideration, the proposed model is accurate until 8.7 dBm while the others are accurate only until 2.4 dBm. The impact of the modulation format is analyzed for three of the models. Our results show differences up to 1.82 dB in the maximum power in which the proposed model remains accurate when changing from quadrature phase shifting keying to 8-ary quadrature amplitude modulation.
Original languageEnglish
Title of host publication21st International Conference on Transparent Optical Networks, ICTON 2019
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Number of pages4
ISBN (Electronic)978-1-7281-2779-8
Publication statusPublished - 19 Sep 2019
Event21st International Conference on Transparent Optical Networks, ICTON 2019 - Angers, France
Duration: 9 Jul 201913 Jul 2019


Conference21st International Conference on Transparent Optical Networks, ICTON 2019
Abbreviated titleICTON2019
Internet address


  • High nonlinearity regime
  • Nonlinear Schrödinger equation
  • Optical fibers
  • Raman amplification
  • Weakly dispersion regime

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