Cascaded nonlinear down-conversion in poling-free lithium niobate nanophotonic waveguides
Abstract While cascaded second-order nonlinear processes have revolutionized shorter-wavelength light generation through up-conversion, their potential for longer-wavelength emission via parametric down-conversion remains fundamentally unexplored – constrained by narrow phase-matching bandwidths, in...
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| Hauptverfasser: | , , , , , , , , , , , , |
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| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
Nature Portfolio
2025-11-01
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| Schriftenreihe: | Nature Communications |
| Online-Zugang: | https://doi.org/10.1038/s41467-025-64912-y |
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