Highly nondegenerate four-wave mixing in semiconductor laser oscillators.
A complete model to evaluate frequency conversion that is due to highly nondegenerate four-wave mixing in Fabry-Perot laser oscillators is presented; propagation effects are taken into account. Simplified expressions are obtained in the limit of perfectly reflecting mirrors that permit analytical solutions; they are in good agreement with the results of the numerical analysis. Examples of results exhibit interesting features such as a correction factor for the relaxation frequency peak, good conversion gain up to the terahertz region, and complex behavior of the frequency response near side-mode resonances.
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