Journal
ACS PHOTONICS
Volume 5, Issue 3, Pages 728-733Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsphotonics.7b01277
Keywords
nonlinear optics; third-harmonic generation; silicon nanoparticles; Mie resonances; vector beams; structured light
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Funding
- Russian Federation
- Consejo Nacional de Ciencia y Tecnologia (CONACYT), Mexico
- Australian Research Council (ARC)
- Russian Ministry of Education and Science [14.W03.31.0008]
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We study the third-harmonic generation by structured light in subwavelength silicon nanoparticles which support both electric and magnetic multipolar Mie resonances. By tailoring the vectorial structure of the pumping light, we may control both strength and polarization composition of the excited harmonic fields. In this way, we generate nonlinear fields with radial or azimuthal polarizations by addressing selectively a different type of multipolar Mie resonances, also enhancing or suppressing the optically induced nonlinear magnetic response.
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