Fast and slowly evolving vector solitons in mode-locked fibre lasers

Sergey V. Sergeyev*

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

We report on a new vector model of an erbium-doped fibre laser mode locked with carbon nanotubes. This model goes beyond the limitations of the previously used models based on either coupled nonlinear Schrödinger or Ginzburg-Landau equations. Unlike the previous models, it accounts for the vector nature of the interaction between an optical field and an erbium-doped active medium, slow relaxation dynamics of erbium ions, linear birefringence in a fibre, linear and circular birefringence of a laser cavity caused by in-cavity polarization controller and light-induced anisotropy caused by elliptically polarized pump field. Interplay of aforementioned factors changes coherent coupling of two polarization modes at a long time scale and so results in a new family of vector solitons (VSs) with fast and slowly evolving states of polarization. The observed VSs can be of interest in secure communications, trapping and manipulation of atoms and nanoparticles, control of magnetization in data storage devices and many other areas.

Original languageEnglish
Article number0006
JournalPhilosophical Transactions A
Volume372
Issue number2027
Early online date22 Sep 2014
DOIs
Publication statusPublished - 28 Oct 2014

Keywords

  • chaos
  • mode-locked laser
  • polarization phenomena
  • vector soliton

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