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| Título: | Photoconductively loaded plasmonic nanoantenna as building block for ultracompact optical switches |
Autor: | Large, Nicolas; Aizpurua, Javier CSIC ORCID | Palabras clave: | Plasmonics Nanoantennas Nanoparticles Ultrafast switches |
Fecha de publicación: | 2010 | Editor: | American Chemical Society | Citación: | Nano Letters 10(5): 1741–1746 (2010) | Resumen: | We propose and explore theoretically a new concept of ultrafast optical switches based on nonlinear plasmonic nanoantennas. The antenna nanoswitch operates on the transition from the capacitive to conductive coupling regimes between two closely spaced metal nanorods. By filling the antenna gap with amorphous silicon, progressive antenna-gap loading is achieved due to variations in the free-carrier density in the semiconductor. Strong modification of the antenna response is observed both in the far-field response and in the local near-field intensity. The large modulation depth, low switching threshold, and potentially ultrafast time response of antenna switches holds promise for applications ranging from integrated nanophotonic circuits to quantum information devices. | Descripción: | 6 páginas, 5 figuras.-- El pdf del artículo es la versión pre-print.-- et al. | Versión del editor: | http://dx.doi.org/10.1021/nl1001636 | URI: | http://hdl.handle.net/10261/44199 | DOI: | 10.1021/nl1001636 | ISSN: | 1530-6984 | E-ISSN: | 1530-6992 |
| Aparece en las colecciones: | (CFM) Artículos |
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| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| Aizpurua_Nano_Letters_2010.pdf | 695,27 kB | Adobe PDF |  Visualizar/Abrir |
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