Nonlinear optical characterization in a degenerate multi-wave mixing configuration
2009
Using a 4-f imaging system for nonlinear optical measurements we deal with multi-wave mixing experiments. The
complex degenerate four-wave mixing experimental setup is simplified in order to characterize nonlinear materials.
Moreover, a generalization of the I-scan method is studied by considering one, two, three and four waves mixing
experiments. The determination of the cubic optical nonlinearity is possible by providing quadratic relations that relate
the nonlinear phase shift to the measured signal. The sensitivities of the measurements are compared systematically
showing the same order of magnitude for all the studied configurations. Experimental and simulated images are
presented here to validate our approach.
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