Resumen: All-optical control of surface plasmon polaritons (SPPs) is theoretically demonstrated in arrays of metallic slits. It is shown how the mixing of electromagnetic fields scattered by the slits from a weak beam at ¿ wavelength, with second-harmonic fields generated by a high-intensity 2¿ beam, creates a destructive interference of surface plasmons in one of the two possible directions of emission from the slits, while these are enhanced along the opposite direction. Our method enables spectrally broadband excitation and thus unidirectional launching of SPP pulses as short as ~20 fs, all-optically controlled. Based on these findings, an ultranarrow bandwidth surface plasmon frequency comb is designed.
Idioma: Inglés
DOI: 10.1103/PhysRevB.98.041407
Año: 2018
Publicado en: Physical Review B 98, 4 (2018), 041407(R)[5 pp]
ISSN: 2469-9950
Factor impacto SCIMAGO: 1.502 - Electronic, Optical and Magnetic Materials (Q1) - Condensed Matter Physics (Q1)
Financiación: info:eu-repo/grantAgreement/ES/MINECO/MAT2017-88358-C3-2-R
Tipo y forma: Article (Published version)
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes.
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Idioma: Inglés
DOI: 10.1103/PhysRevB.98.041407
Año: 2018
Publicado en: Physical Review B 98, 4 (2018), 041407(R)[5 pp]
ISSN: 2469-9950
Factor impacto SCIMAGO: 1.502 - Electronic, Optical and Magnetic Materials (Q1) - Condensed Matter Physics (Q1)
Financiación: info:eu-repo/grantAgreement/ES/MINECO/MAT2017-88358-C3-2-R
Tipo y forma: Article (Published version)
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes. Exportado de SIDERAL (2020-02-17-12:43:44)
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Record created 2018-09-24, last modified 2020-02-17