Mode-cleaning in antisymmetrically modulated non-Hermitian waveguides
We demonstrate all-optical spatial mode-cleaning in non-Hermitian waveguides. The effect is accounted by a unidirectional coupling among the modes resulting from a simultaneous modulation of the refractive index and the gain/loss along graded index multimodal waveguides. Depending on the spatial del...
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| Principais autores: | , , , |
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| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
Wiley
2024-01-01
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| Serija: | Nanophotonics |
| Teme: | |
| Online dostop: | https://doi.org/10.1515/nanoph-2023-0713 |
| Oznake: |
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