Two-dimensional front dynamics and spatial solitons in a nonlinear optical system
Ackemann, T. and Pesch, M. and Lange, W. and Gomila, D. and Firth, W.J. and Oppo, G.L. (2007) Two-dimensional front dynamics and spatial solitons in a nonlinear optical system. Physical Review Letters, 99. 153902. ISSN 1079-7114 (https://doi.org/10.1103/PhysRevLett.99.153902)
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Two-dimensional fronts and coarsening dynamics with a t1/2 power law are analyzed experimentally and theoretically in a nonlinear optical system of a sodium vapor cell with single-mirror feedback. Modifications of the t1/2 power law are observed in the vicinity of a modulational instability leading to the formation of spatial solitons of different sizes. The experimental and numerical observations give direct evidence for the locking of fronts as the mechanism of soliton formation. A phenomenological equation for the dynamics of the domain radius explains the observed behavior.
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Item type: Article ID code: 9925 Dates: DateEvent2007PublishedSubjects: Science > Physics Department: Faculty of Science > Physics Depositing user: Strathprints Administrator Date deposited: 16 Nov 2011 10:40 Last modified: 08 Apr 2024 16:46 URI: https://strathprints.strath.ac.uk/id/eprint/9925