“Necklace-Ring” Beams in Saturable Kerr Media with Square-Root Nonlinearity
M.S. Petrović
Institute of Physics, Pregrevica 118, 11080 Belgrade, Serbia
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Received: 3 09 2007;
Analytical and numerical investigation of the propagation of “necklace-ring” optical beams in Kerr-like saturable photorefractive media with square-root nonlinearity is carried out. Analytic expression for the propagation dynamics of the necklace beams is in good agreement with numerical findings.
DOI: 10.12693/APhysPolA.112.921
PACS numbers: 42.65.Tg, 42.65.Sf