Journal
NANO LETTERS
Volume 16, Issue 8, Pages 4857-4861Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.nanolett.6b01249
Keywords
Nonlinear optics; metamaterials; silicon photonics; third-harmonic generation; Fano resonance
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Funding
- Australian Research Council
- Russian Science Foundation [14-12-01144]
- Russian Foundation for Basic Research [16-32-00265]
- Russian Science Foundation [14-12-01144] Funding Source: Russian Science Foundation
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Strong Mie-type magnetic dipole resonances in all-dielectric nanostructures provide novel opportunities for enhancing nonlinear effects at the nanoscale due to the intense electric and magnetic fields trapped within the individual nanoparticles. Here we study third-harmonic generation from quadrumers of silicon nanodisks supporting high-quality collective modes associated with the magnetic Fano resonance. We observe nontrivial wavelength and angular dependencies of the generated harmonic signal featuring a multifold enhancement of the nonlinear response in oligomeric systems.
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