Computing large signal distortions and bit-error ratios in DPSK transmission systems

E. T. Spiller, W. L. Kath, R. O. Moore, C. J. McKinstrie

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


We demonstrate the application of importance sampling (IS) to the simulation of a soliton-based differential phase-shift-keyed optical transmission system. We use an approximation to the pulse evolution given by perturbation theory and optimized with calculus of variations to guide full numerical Monte Carlo simulations employing IS. The method not only directly determines the bit-error ratio, but also predicts the manner in which large signal distortions occur.

Original languageEnglish (US)
Pages (from-to)1022-1024
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number5
StatePublished - May 2005

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering


  • Bit-error ratio (BER)
  • Differential phase-shift keying (DPSK)
  • Importance sampling (IS)
  • Solitons


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