The spontaneous spatial break-up of laser beams in quadratic media is experimentally studied in second harmonic generation process. The spatial spectrum reveals two-dimensional modulation instability bands in agreement with numerical and theoretical analysis.
© 2010 The Optical Society
M. Delqué, G. Fanjoux, F. Devaux, H. Maillotte, S. Gorza, and M. Haelterman, "2-D Spatial Modulation Instability in Second Harmonic Generation Scheme," in Advanced Photonics & Renewable Energy, OSA Technical Digest (CD) (Optical Society of America, 2010), paper NME13.
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