Accurate modelling of pulse transformation by adjustable-in-time medium parameters

Natalia N. Ruzhytska, Alexander G. Nerukh, Dmitry Nerukh

Research output: Contribution to journalArticlepeer-review


A possibility of a strong change of an electromagnetic signal by a short sequence of time cycles of pulses that modulate the medium parameters is shown. The backward wave is demonstrated to be an inevitable result of the medium time change. Dependence of the relation between backward and forward waves on the parameters of the medium modulation is investigated. The finite statistical complexity of the electromagnetic signal transformed by a finite sequence of modulating cycles is calculated. Increase of the complexity with the number of cycles is shown.
Original languageEnglish
Pages (from-to)347-364
Number of pages18
JournalOptical and Quantum Electronics
Issue number4-5
Publication statusPublished - 1 Mar 2003


  • electronmagnetic transients
  • integral equations in time domain
  • time-varying medium


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