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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...
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| Pubblicato in: | Sci Rep |
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| Autori principali: | , , , |
| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
Nature Publishing Group UK
2017
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC5556125/ https://ncbi.nlm.nih.gov/pubmed/28808305 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41598-017-08039-1 |
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