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Updated: Oct 15, 2026

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Deficiencias de modelado debido a la omisión del carácter multifrecuencial de las no linealidades

Miguel A Bosch-García, Enrique Silvestre, Miguel V Andrés

|October 13, 2026

Abstract:

El sorprendente comportamiento de los pulsos ópticos que se propagan bajo no linealidades dispersivas, reportado teóricamente en años recientes, está impulsando el interés en estos nuevos fenómenos para mejorar el control de la luz según el estado del arte. Para explorar adecuadamente estos efectos, se debe incorporar la dependencia completa de la frecuencia de las no linealidades en la ecuación de propagación de pulsos, de modo que se puedan derivar pautas precisas para la ingeniería de la dispersión no lineal. No obstante, este objetivo se logra a expensas de algunas aproximaciones sobre la naturaleza verdaderamente multifrecuencia de las no linealidades y, por lo tanto, de una incertidumbre adicional en las predicciones teóricas. Utilizando como banco de pruebas la cancelación de inestabilidades durante el ensanchamiento espectral de pulsos largos —una consecuencia práctica fundamental de un diseño adecuado de la dispersión no lineal—, en esta Carta demostramos analítica y numéricamente cómo una descripción incompleta de las no linealidades multifrecuencia puede traducirse en desviaciones sustanciales en comparación con tratamientos más rigurosos.

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