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Phys Rev Lett. 2006 Aug 18;97(7):073906. Epub 2006 Aug 18.

Spatial four wave mixing in nonlinear periodic structures.

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Department of Physics and Solid State Institute, Technion, Haifa 32000, Israel.


We present the first experimental study of spatial four-wave mixing in photonic lattices, demonstrating universal aspects of nonlinear processes in periodic media, such as engineered phase matching, Bloch-wave folding, and continuous control over the band at which the interaction products emerge.

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