Volume 38, Number 2, April II 1997
|Page(s)||85 - 90|
|Published online||01 September 2002|
Excitability following an avalanche-collapse process
Instituto Pluridisciplinar, Universidad Complutense de Madrid, Paseo Juan XXIII, 1, 28040 Madrid, Spain
2 Istituto Nazionale di Ottica, Largo E. Fermi, 6, 50125 Firenze, Italy
Accepted: 4 March 1997
Excitability and relaxation oscillations are shown to appear in the vicinity of subcritical or transcritical bifurcations with a different scenario from those previously introduced in biology, chemistry and liquid-crystal physics. Experimental observation of such a scenario has been done in a laser with intracavity saturable absorber.
PACS: 02.30.Hq – Ordinary differential equations / 42.65.Sf – Dynamics of nonlinear optical systems; optical instabilities, optical chaos, and optical spatio-temporal dynamics / 42.60.Gd – Q-switching
© EDP Sciences, 1997
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