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Generación de peines de Kerr de alta eficiencia y banda ancha en microresonadores de niobio de litio de corte X de

Yunxiang Song^1,2, Zongda Li^3,4, Xinrui Zhu¹

¹John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA.

Science advances

|February 13, 2026

Resumen

Los investigadores desarrollaron nuevos microresonadores para generar peines de Kerr de dispersión normal en circuitos fotónicos de niobio de litio de película delgada. Este avance permite sistemas fotónicos avanzados para comunicaciones de alta velocidad y procesamiento de señales.

Área de la Ciencia:

Fotónica
Ciencia de Materiales
Óptica No Lineal

Sus antecedentes:

Los circuitos fotónicos integrados (PIC) son cruciales para aplicaciones avanzadas.
El niobio de litio de película delgada (TFLN) de corte X ofrece efectos no lineales y electro-ópticos combinados para PIC.
Los peines de Kerr de dispersión normal son muy deseables pero poco explorados en TFLN de corte X.

Objetivo del estudio:

Diseñar y demostrar microresonadores para la generación robusta de peines de Kerr de dispersión normal en TFLN de corte X.
Explorar el potencial de TFLN de corte X para sistemas fotónicos de próxima generación impulsados por micropeines.
Investigar la generación de peines de frecuencia ultrabanda aprovechando las no linealidades híbridas.

Principales métodos:

Diseño y fabricación de microresonadores en TFLN de corte X.
Caracterización de la generación de peines de Kerr en el régimen de dispersión normal.
Análisis de las propiedades del peine de frecuencia y las métricas de rendimiento.

Principales resultados:

Demostración de microresonadores que permiten una generación robusta de peines de Kerr de dispersión normal.
Se lograron peines de Kerr que superan los micropeines del estado del arte en TFLN de corte X en métricas clave.
Se generó un peine de frecuencia ultrabanda a través de la dinámica combinada de Kerr y la dispersión Raman estimulada.

Conclusiones:

Los microresonadores desarrollados desbloquean circuitos fotónicos de alta velocidad y bajo consumo para comunicaciones y procesamiento de señales.
Este trabajo allana el camino para la tecnología de micropeines monolíticos en TFLN de corte X.
Abre vías para explorar nuevos estados no lineales y no linealidades de materiales híbridos.

Palabras clave:

niobio de litio de película delgada corte X microresonadores peines de Kerr dispersión normal fotónica integrada óptica no lineal espectroscopia Raman procesamiento de señales comunicaciones de alta velocidad

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