Journal
OPTICS EXPRESS
Volume 22, Issue 19, Pages 22456-22469Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.22.022456
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- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- Fundacao de Amparo a Ciencia e Tecnologia do Estado de Pernambuco (FACEPE)
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We report spatial self-and cross-phase modulation effects in metal-dielectric nanocomposites (MDNCs) whose nonlinear (NL) response is dominated by the quintic or septic refractive nonlinearity. The MDNCs consist of silver nanoparticles (NPs) suspended either in acetone or carbon disulfide and their effective NL susceptibilities are controlled by adjusting the volume fraction occupied by the NPs and the incident laser intensity. A theoretical treatment based on the Maxwell-Garnett model was developed to include contributions up to the seventh-order susceptibility showing a very good agreement with the experimental results. (C) 2014 Optical Society of America
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