Abstract
Degenerate four wave mixing in photorefractive media(PFWM) has been intensively studied theoretically. A complete solution of the coupled wave equation is steel not available. This makes some problems such as the uncertainty of the solution, lack of understanding of phase dependence and energy flux, and unable to treat those of multi coupled interaction regions. This paper is to give a general solution so that the PFWM can be described as a phase sensitive eight pin element arid apply it to various PFWM circuits by composing the elements for different uses.
© 1992 Optical Society of America
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