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Weak-wave advancement in nearly collinear four-wave mixing

C. F. McCormick·R. Y. Chiao·J. M. Hickmann
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Abstract

We identify a new four-wave mixing process in which two nearly collinear pump beams produce phase-dependent gain into a weak bisector signal beam in a self-defocusing Kerr medium. Phase matching is achieved by weak-wave advancement caused by cross-phase modulation between the pump and signal beams. We relate this process to the inverse of spatial modulational instability and suggest a time-domain analog.

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C. F. McCormick, R. Y. Chiao, J. M. Hickmann. 2003-09-13. Weak-wave advancement in nearly collinear four-wave mixing. https://doi.org/10.1364/oe.10.000581

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