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Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/7454
Title: Secondary bifurcations of hexagonal patterns in a nonlinear optical system: alkali metal vapor in a single-mirror arrangement
Authors: Gomila, Damià; Ackemann, Thorsten; Grosse Westhoff, Edgar; Colet, Pere; Lange, Wulfhard
Keywords: Secondary bifurcations
Nonlinear optics
Issue Date: 24-Mar-2004
Citation: Physical Review E 69, 036205 (1-12) (2004)
Abstract: Secondary bifurcations of hexagonal patterns are analyzed in a model of a single-mirror arrangement with an alkali metal vapor as the nonlinear medium. A stability analysis of the hexagonal structures is performed numerically. Depending on the wavenumber of the hexagons different instabilities are predicted. Some of them take place at a finite wavenumber and result in the formation of structures with twelve spatial modes. These structures are compared with those observed experimentally.
Description: 12 pages.-- PACS nrs.: 89.75.Kd, 42.65.Sf, 47.54.+r, 47.20.Ky.
URI: http://hdl.handle.net/10261/7454
ISSN: 1539-3755
DOI: 10.1103/PhysRevE.69.036205
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