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Enhanced five-photon photoluminescence in subwavelength AlGaAs resonators
Anastasiia Zalogina, Pavel Tonkaev, Aditya Tripathi +5
Multiphoton processes of absorption photoluminescence have enabled a wide range of applications including three-dimensional microfabrication, data storage, and biological imaging.…
Meta-Optics with Lithium Niobate
Anna Fedotova, Luca Carletti, Attilio Zilli +8
The rapid development of metasurfaces - 2D ensembles of engineered nanostructures - is presently fostering a steady drive towards the miniaturization of many optical functionalitie…
High harmonic generation from a subwavelength dielectric resonator
Anastasiia Zalogina, Luca Carletti, Aditya Tripathi +5
Higher-order optical harmonics entered the realm of nanostructured solids being observed recently in optical gratings and metasurfaces with a subwavelength thickness. Structuring m…
Efficient frequency conversion with geometric phase control in optical metasurfaces
Bernhard Reineke Matsudo, Basudeb Sain, Luca Carletti +5
Metasurfaces have appeared as a versatile platform for miniaturized functional nonlinear optics due to their design freedom in tailoring wavefronts. The key factor that limits its…