Multifold Enhancement of Third-Harmonic Generation in Dielectric Nanoparticles Driven by Magnetic Fano Resonances

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 quadrumer...

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Bibliographic Details
Published inNano letters Vol. 16; no. 8; pp. 4857 - 4861
Main Authors Shorokhov, Alexander S, Melik-Gaykazyan, Elizaveta V, Smirnova, Daria A, Hopkins, Ben, Chong, Katie E, Choi, Duk-Yong, Shcherbakov, Maxim R, Miroshnichenko, Andrey E, Neshev, Dragomir N, Fedyanin, Andrey A, Kivshar, Yuri S
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 10.08.2016
Subjects
metamaterials
Fano resonance
silicon photonics
Nonlinear optics
third-harmonic generation
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ISSN1530-6984
1530-6992
1530-6992
DOI10.1021/acs.nanolett.6b01249

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Summary: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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ISSN:1530-6984
1530-6992
1530-6992
DOI:10.1021/acs.nanolett.6b01249