Metallic slit arrays filled with third-order nonlinear media: Optical Kerr effect and third-harmonic generation
Entity
UAM. Departamento de Física Teórica de la Materia CondensadaPublisher
American Physical SocietyDate
2011-06-29Citation
10.1103/PhysRevB.83.235425
Physical Review B 83.23 (2011): 235425
ISSN
1098-0121; 1550-235X (online)DOI
10.1103/PhysRevB.83.235425Funded by
We acknowledge support from the Spanish Ministry of Science and Innovation under Projects No. MAT2008-06609-C02 and No. CSD2007-046-Nanolight.esProject
Gobierno de España. CSD2007-046-Nanolight.es; Gobierno de España. MAT2008-06609- C02Editor's Version
http://dx.doi.org/10.1103/PhysRevB.83.235425Subjects
FísicaRights
© 2011 American Physical SocietyAbstract
A theoretical study on the nonlinear optical properties of both gold and nickel slit arrays inlaid with a third-order nonlinear dielectric medium is presented. In particular, we investigate the optical Kerr effect and third harmonic generation. The geometrical parameters, along with the optical properties of each metal, determine the electromagnetic environment near the slits and, in turn, the nonlinear optical response. The optical Kerr effect is only seen for slit arrays in gold, where the transmitted and reflected currents are modified with the incident intensity, while nickel slit arrays behave linearly within the same range of input intensities. However, third harmonic emission occurs for both systems, unveiling third-order nonlinearities taking place also in nickel structures
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Google Scholar:Rodrigo, Sergio G.
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Carretero Palacios, Sol
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García Vidal, Fco. José
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Martín-Moreno, L.
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