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)

Abstract

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 metadata

  Item type:	Article
  ID code:	9925
  Dates:	Date Event 2007 Published
  Subjects:	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