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Modulador de pista de carreras plegado ultracompacto basado en niobato de litio en una plataforma aislante
Optics express
|February 20, 2026
Resumen
Los investigadores desarrollaron un modulador compacto de niobato de litio para pistas de carreras utilizando un diseño de guía de onda plegada. Esta innovación reduce significativamente el tamaño del dispositivo al tiempo que mantiene un alto rendimiento para las interconexiones ópticas avanzadas.
Área de la Ciencia:
- Fotónica y Ciencia de los Materiales Ciencia de los Materiales.
- La óptica integrada es una óptica integrada.
- Dispositivos electro ópticos Dispositivos electro ópticos.
Sus antecedentes:
- El niobato de litio de película delgada (LNO) es crucial para los moduladores electro-ópticos de alta velocidad.
- Los moduladores LNO convencionales se enfrentan a limitaciones de tamaño (escala cm), lo que impide la integración de alta densidad.
Objetivo del estudio:
- Para superar las limitaciones de tamaño en los moduladores LNO.
- Desarrollar un modulador de banda ancha ultracompacto para interconexiones ópticas de próxima generación.
Principales métodos:
- Propuso un nuevo modulador de pista de carreras de niobato de litio utilizando una guía de onda plegada y una configuración de electrodos.
- Reconfiguración estructural para minimizar la huella del dispositivo.
Principales resultados:
- Se logró una eficiencia de modulación de 8 pm/V.
- Demostró un ancho de banda electro-óptico de 30,5 GHz.
- Se transmitieron con éxito datos a 112 Gbps (56 GBaud PAM-4).
Conclusiones:
- El modulador propuesto reduce el área en un orden de magnitud en comparación con los moduladores Mach-Zehnder.
- Casi duplica el ancho de banda y reduce la huella a la mitad en comparación con los moduladores tradicionales de pistas de carreras.
- Establece una vía para moduladores de banda ancha ultracompactos en interconexiones ópticas.
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