Degenerate Four - Wave Mixing Measurements of High Order Nonlinearities in Semiconductors


We describe degenerate four-wave mixing experiments on ZnSe and CdTe semiconductor samples with pico-second laser pulses at wavelengths below the bandgap. Nonlin-earities of third, fifth, and seventh order are observed and the mechanisms for each are identified. In all of our measurements , we observe a fast third order nonlinearity. For two-pho-ton… (More)


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