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Influencia de las resonancias mecánicas en la linealidad de la conversión de frecuencia adiabática en los resonadores
Optics express
|February 20, 2026
Resumen
La conversión de frecuencia adiabática ofrece un ajuste rápido del láser. Sin embargo, las resonancias mecánicas en los resonadores ópticos limitan la linealidad de este método de control de frecuencia, lo que afecta la precisión de la transferencia de la señal.
Área de la Ciencia:
- La fotónica es la fotónica.
- Ingeniería óptica Ingeniería óptica.
- Ciencia de los materiales Ciencia de los materiales.
Sus antecedentes:
- La conversión de frecuencia adiabática aprovecha los resonadores ópticos para un ajuste rápido del láser.
- Esta técnica permite cambios de frecuencia significativos dentro de escalas de tiempo submicrosegundos.
- Funciona independientemente de la potencia óptica y los requisitos de coincidencia de fase.
Objetivo del estudio:
- Para investigar las limitaciones de linealidad de la conversión de frecuencia adiabática.
- Para determinar el impacto de las resonancias mecánicas en la precisión del control de frecuencia.
- Para validar las predicciones teóricas con datos experimentales.
Principales métodos:
- Utilizó un resonador de galería de susurros de niobato de litio de tamaño milimétrico.
- Investigó la conversión de frecuencia cerca de una resonancia mecánica a 10,5 MHz.
- Comparó los resultados experimentales con modelos teóricos.
Principales resultados:
- Se observaron desviaciones significativas de la linealidad en la conversión de frecuencia cerca de resonancias mecánicas.
- Demostró que los armónicos más altos de la señal de control que coinciden con la resonancia exacerban la no linealidad.
- Los hallazgos experimentales coincidían estrechamente con las predicciones teóricas.
Conclusiones:
- Las resonancias mecánicas imponen límites fundamentales a la linealidad de la conversión de frecuencia adiabática.
- Las no linealidades afectan a la transferencia precisa de señales temporales a frecuencias ópticas.
- Comprender estas limitaciones es crucial para los esquemas avanzados de control de frecuencia óptica.
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