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Multipolar second harmonic generation in a symmetric nonlinear metamaterial
Optical nonlinearities are intimately related to the spatial symmetry of the nonlinear media. For example, the second order susceptibility vanishes for centrosymmetric materials under the dipole approximation. The latter concept has been naturally extended to the metamaterials’ realm, sometimes lead...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Nature Publishing Group UK
2017
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5556125/ https://www.ncbi.nlm.nih.gov/pubmed/28808305 http://dx.doi.org/10.1038/s41598-017-08039-1 |