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Enhanced second-harmonic generation with structured light in AlGaAs nanoparticles governed by magnetic response
Elizaveta V. Melik-Gaykazyan, Kirill L. Koshelev, Jae-Hyuck Choi +4
We employ structured light for the second-harmonic generation from subwavelength AlGaAs nanoparticles that support both electric and magnetic multipolar Mie resonances. The vectori…
Third-harmonic generation in photonic topological metasurfaces
Daria Smirnova, Sergey Kruk, Daniel Leykam +3
We study nonlinear effects in two-dimensional photonic metasurfaces supporting topologically-protected helical edge states at the nanoscale. We observe strong third-harmonic genera…
Quantum metasurface for multi-photon interference and state reconstruction
Kai Wang, James G. Titchener, Sergey S. Kruk +9
Metasurfaces based on resonant nanophotonic structures have enabled novel types of flat-optics devices often outperforming the capabilities of bulk components, yet these advances r…