Controlling pattern formation and spatio-temporal disorder in nonlinear optics

R. Martin, G. L. Oppo, G. K. Harkness, A. J. Scroggie, W. J. Firth

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)
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We present a feedback control method for the stabilization of unstable patterns and for the control of spatio-temporal disorder. The control takes the form of a spatial modulation to the input pump, which is obtained via filtering in Fourier space of the output electric field. The control is powerful, flexible and non-invasive: the feedback vanishes once control is achieved. We demonstrate by means of computer simulation, the effect of the control in two different optical systems.

Original languageEnglish
Pages (from-to)39-43
Number of pages5
JournalOptics Express
Issue number1
Publication statusPublished - 7 Jul 1997


  • spatio-temporal disorder
  • nonlinear optics
  • feedback control method
  • spatial modulation


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