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Web pattern formation in a spatially distributed nonlinear optical system

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3 Author(s)
Lachinova, S.L. ; Dept. of Phys., Heriot-Watt Univ., Edinburgh, UK ; Lu, W. ; Vorontsov, M.A.

Summary form only given. Recent experimental work has demonstrated that optical pattern-forming systems with strong nonlinear effect can be designed based on large-scale arrays of optoelectronic feedback circuits. Using various synthetic nonlinearities and controllable spatial coupling, a variety of transversal optical patterns have been observed in this system. In this report, we present theoretical study of such a spatially distributed nonlinear optical model. We show the existence of web type patterns in this system with cosine-type nonlinearity. This new spatial structure emerges from clusters of localized states through a sequence of spatial bifurcations on increasing the control parameter of the system. The results are in good agreement with experimental observation.

Published in:

Quantum Electronics Conference, 2000. Conference Digest. 2000 International

Date of Conference:

10-15 Sept. 2000