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Metasurface-assisted phase-matching-free second harmonic generation in lithium niobate waveguides
The phase-matching condition is a key aspect in nonlinear wavelength conversion processes, which requires the momenta of the photons involved in the processes to be conserved. Conventionally, nonlinear phase matching is achieved using either birefringent or periodically poled nonlinear crystals, whi...
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| Publicado no: | Nat Commun |
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| Main Authors: | , , , , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Nature Publishing Group UK
2017
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC5727391/ https://ncbi.nlm.nih.gov/pubmed/29235473 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41467-017-02189-6 |
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