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26 July 2016 Optical nonlinearities in plasmonic metamaterials (Conference Presentation)
Anatoly V. Zayats
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Proceedings Volume 9883, Metamaterials X; 98830C (2016) https://doi.org/10.1117/12.2228361
Event: SPIE Photonics Europe, 2016, Brussels, Belgium
Abstract
Metals exhibit strong and fast nonlinearities making metallic, plasmonic, structures very promising for ultrafast all-optical applications at low light intensities. Combining metallic nanostructures in metamaterials provides additional functionalities via prospect of precise engineering of spectral response and dispersion. From this point of view, hyperbolic metamaterials, in particular those based on plasmonic nanorod arrays, provide wealth of exciting possibilities in nonlinear optics offering designed linear and nonlinear properties, polarization control, spontaneous emission control and many others. Experiments and modeling have already demonstrated very strong Kerr-nonlinear response and its ultrafast recovery due to the nonlocal nature of the plasmonic mode of the metamaterial, so that small changes in the permittivity of the metallic component under the excitation modify the nonlocal response that in turn leads to strong changes of the metamaterial transmission. In this talk, we will discuss experimental studies and numerical modeling of second- and third-order nonlinear optical processes in hyperbolic metamaterials based on metallic nanorods and other plasmonic systems where coupling between the resonances plays important role in defining nonlinear response. Second-harmonic generation and ultrafast Kerr-type nonlinearity originating from metallic component of the metamaterial will be considered, including nonlinear magneto-optical effects. Nonlinear optical response of stand-alone as well as integrated metamaterial components will be presented. Some of the examples to be discussed include nonlinear polarization control, nonlinear metamaterial integrated in silicon photonic circuitry and second-harmonic generation, including magneto-optical effects.
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View presentation recording on the SPIE Digital Library: http://dx.doi.org/10.1117/12.2228361.5042345225001
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Anatoly V. Zayats "Optical nonlinearities in plasmonic metamaterials (Conference Presentation)", Proc. SPIE 9883, Metamaterials X, 98830C (26 July 2016); https://doi.org/10.1117/12.2228361
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KEYWORDS
Metamaterials
Plasmonics
Nonlinear optics
Ultrafast phenomena
Nanorods
Nonlinear control
Polarization control
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