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Efficiency Enhanced Grating Coupler for Perfectly Vertical Fiber-to-Chip Coupling
In this work, a bidirectional grating coupler for perfectly vertical coupling is proposed. The coupling efficiency is enhanced using a silicon nitride (Si(3)N(4)) layer above a uniform grating. In the presence of Si(3)N(4) layer, the back-reflected optical power into the fiber is diminished and coup...
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| Publicado no: | Materials (Basel) |
|---|---|
| Main Authors: | , , , , , , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
MDPI
2020
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7344441/ https://ncbi.nlm.nih.gov/pubmed/32545474 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.3390/ma13122681 |
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