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Near-infrared polarimetric imaging with nonlinear flat-optics
Evgenii Menshikov, Marco A. López Sánchez, Paolo Franceschini +4
A compact and broadband polarimetric imaging platform is presented, based on second-harmonic generation (SHG) in nonlinear flat-optics. The system employs periodic all-dielectric A…
Light structuring via nonlinear total angular momentum addition with flat optics
Evgenii Menshikov, Paolo Franceschini, Kristina Frizyuk +7
Shaping the structure of light with flat optical devices has driven significant advancements in our fundamental understanding of light and light-matter interactions, and enabled a…
Interface second harmonic generation enhancement in hetero-bilayer van der Waals nanoantennas
Andrea Tognazzi, Paolo Franceschini, Jonas Biechteler +5
Layered van der Waals (vdW) materials have emerged as a promising platform for nanophotonics due to large refractive indexes and giant optical anisotropy. Unlike conventional diele…
Third-harmonic light polarization control in magnetically-resonant silicon metasurfaces
Andrea Tognazzi, Kirill I. Okhlopkov, Attilio Zilli +9
Nonlinear metasurfaces have become prominent tools for controlling and engineering light at the nanoscale. Usually, the polarization of the total generated third harmonic is studie…