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Updated: Sep 9, 2025

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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
Published on: April 1, 2020
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Puerta NO pasiva de alta velocidad y de varios niveles en un chip en una plataforma fotónica de silicio
Optics letters
|August 29, 2025
Resumen
Los investigadores crearon una puerta NO booleana pasiva en el chip utilizando una rejilla de Bragg guía de ondas. Este dispositivo fotónico compacto realiza la inversión de la señal a altas velocidades sin componentes activos, lo que permite operaciones lógicas integradas más rápidas.
Área de la Ciencia:
- La fotónica
- Óptica integrada
- Fotónica de silicio
Sus antecedentes:
- Los circuitos fotónicos integrados son cruciales para el procesamiento de datos de alta velocidad.
- Las puertas lógicas ópticas en chip son esenciales para el avance de la computación fotónica.
- Las puertas lógicas ópticas existentes a menudo requieren componentes activos o no lineales, lo que limita la velocidad y la escalabilidad.
Objetivo del estudio:
- Para demostrar la primera puerta NO booleana pasiva en el chip.
- Para utilizar una rejilla de Bragg de guía de ondas de solo fase (WBG) para la lógica óptica.
- Para lograr una inversión de señal de alta velocidad en una plataforma de silicio sobre aislante.
Principales métodos:
- Fabricación de una rejilla Bragg de guía de ondas compacta en forma de espiral en una plataforma de silicio sobre aislante.
- Utilizando las propiedades de modulación de fase única del WBG para la inversión de la señal.
- Prueba de la funcionalidad de la puerta NOT con señales PAM-2 de 50 Gbps y PAM-3 de 45 Gbps.
Principales resultados:
- Implementación exitosa de una puerta NO booleana pasiva en el chip.
- Inversión de señal lograda para señales PAM-2 de 50 Gbps y PAM-3 de 45 Gbps.
- Funcionamiento demostrado sin necesidad de componentes ópticos activos o no lineales.
Conclusiones:
- La puerta NOT basada en WBG desarrollada ofrece una solución compacta y eficiente para la lógica óptica.
- Este enfoque pasivo permite operaciones lógicas de alta velocidad en circuitos fotónicos integrados.
- La tecnología allana el camino para procesadores fotónicos avanzados y arquitecturas informáticas.
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