Generation of spatio-temporal extreme events in noise-like pulses NPE mode-locked fibre laser

S. V. Smirnov, S. Sugavanam, O. A. Gorbunov, D. V. Churkin*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We experimentally study spatio-temporal generation of extreme events in the radiation of NPE mode-locked fibre laser generating noise-like pulses. We show that new pulses starts from high-intensity spatio-temporal structure which consist of mainly 3 subsequent pulses which are both separated over fast and slow evolution time. Statistical analysis of the noise-like pulse evolution over round-trips shows that the pulse width and intensity varies with a period of around 85 round-trips which does not change from pulse to pulse. The intensity probability density function has a heavy tail originated only from events of pulse formation.

Original languageEnglish
Pages (from-to)23122-23127
Number of pages6
JournalOptics Express
Issue number19
Publication statusPublished - 12 Sept 2017

Bibliographical note

©2017 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.

Funding: Russian Ministry of Science and Educations (14.584.21.0014, RFMEFI58415X0014).


  • Nonlinear optics
  • fibers
  • lasers


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