Excitable wave patterns in a spatially extended nonlinear optical cavity

Weiping Lu, Dejin Yu, Robert G. Harrison

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


We show that finite external excitation can lead to a traveling wave in an excitable passive optical system with one-dimensional space geometry. We have studied the excitable behavior of this system in parallel with that of its diffusive counterpart and show the effects of optical phase on the traveling-wave solution and its velocity. In two-dimensional space we observe numerically rotating optical spiral waves evolving from a truncated planar wave front. © 1999 Optical Society of America.

Original languageEnglish
Pages (from-to)578-580
Number of pages3
JournalOptics Letters
Issue number9
Publication statusPublished - 1 May 1999


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