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Broadband High-Efficiency Grating Couplers for Perfectly Vertical Fiber-to-Chip Coupling Enhanced by Fabry-Perot-like Cavity

We propose a broadband high-efficiency grating coupler for perfectly vertical fiber-to-chip coupling. The up-reflection is reduced, hence enhanced coupling efficiency is achieved with the help of a Fabry-Perot-like cavity composed of a silicon nitride reflector and the grating itself. With the theor...

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Detalles Bibliográficos
Autores principales: Zhang, Zan, Huang, Beiju, Zhang, Zanyun, Cheng, Chuantong, Bai, Bing, Gao, Tianxi, Xu, Xiaobo, Gu, Wenping, Zhang, Lin, Chen, Hongda
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7569773/
https://www.ncbi.nlm.nih.gov/pubmed/32957465
http://dx.doi.org/10.3390/mi11090859