Boundary-induced localized structures in a nonlinear optical feedback experiment |
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| Authors: | M Ayoub F Papoff G L Oppo and C Denz |
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| Institution: | 1.Institute of Applied Physics and Center for Nonlinear Science,Westf?lische Wilhelms-Universit?t Münster,Münster,Germany;2.Institute of Complex Systems, SUPA and Department of Physics,University of Strathclyde,Scotland,UK |
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| Abstract: | Experimental and numerical evidence of symmetry-breaking bifurcations of a circular
dissipative soliton with additional boundary conditions in the feedback of a liquid
crystal light valve are reported. By tuning the strength of the nonlinearity or the
size of the additional boundaries, the circular structure breaks up into polygonal
symmetries and the system exhibits multistability. The experimental results are confirmed
by numerical simulations with different configurations of the polarizers thus demonstrating
the universality of the phenomenon. |
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