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High-performance grating couplers on 220-nm thick silicon by inverse design for perfectly vertical coupling
Efficient grating couplers (GCs) for perfectly vertical coupling are difficult to realize due to the second-order back reflection. In this study, apodized GCs (AGCs) are presented for achieving perfectly-vertical coupling to 220 nm thick silicon-on-insulator (SOI) waveguides in the C-band. We compar...
| Autores principales: | , , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Nature Publishing Group UK
2023
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10593793/ https://www.ncbi.nlm.nih.gov/pubmed/37872240 http://dx.doi.org/10.1038/s41598-023-45168-2 |