Efficient light-trapping sheet for the entire visible spectrum by using stacked concentric grating couplers
We confirmed the effectiveness of light-trapping by forming concentric grating couplers (CGCs) inside a transparent sheet. A portion of the light incident to the CGCs is input-coupled and converted to the guided mode and is radiated from neighboring CGCs at a wider angle than the incident angle or e...
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| Veröffentlicht in: | Applied physics express 2021-04, Vol.14 (4), p.42006 |
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| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
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