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On the origin of second harmonic generation in silicon waveguides with silicon nitride cladding

Strained silicon waveguides have been proposed to break the silicon centrosymmetry, which inhibits second-order nonlinearities. Even if electro-optic effect and second harmonic generation (SHG) were measured, the published results presented plenty of ambiguities due to the concurrence of different e...

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Detalles Bibliográficos
Autores principales: Castellan, Claudio, Trenti, Alessandro, Vecchi, Chiara, Marchesini, Alessandro, Mancinelli, Mattia, Ghulinyan, Mher, Pucker, Georg, Pavesi, Lorenzo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6355935/
https://www.ncbi.nlm.nih.gov/pubmed/30705314
http://dx.doi.org/10.1038/s41598-018-37660-x