We experimentally demonstrate degenerate, forward four-wave mixing in a self-defocusing photorefractive medium, in both one and two transverse dimensions. The cascaded evolution of new modes and potential asymptotic behavior are discussed.
© 2007 Optical Society of America
S. Jia, W. Wan, and J. W. Fleischer, " Forward Four-Wave Mixing with Defocusing Nonlinearity," in Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides, OSA Technical Digest (CD) (Optical Society of America, 2007), paper JMD29.
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