Optically controlled beam steering in nonlinear all-dielectric metasurfaces
- Resource Type
- Conference
- Authors
- Angelis, C. De; Rocco, D.; Gandolfi, M.; Tognazzi, A.; Zograf, G.; Pashina, O.; Frizyuk, K.; Gigli, C.; Leo, G.; Makarov, S.; Celebrano, M.; Zilli, A.; Petrov, M.; Finazzi, M.
- Source
- 2021 Fifteenth International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials) Artificial Materials for Novel Wave Phenomena (Metamaterials), 2021 Fifteenth International Congress on. :108-110 Sep, 2021
- Subject
- Components, Circuits, Devices and Systems
Engineered Materials, Dielectrics and Plasmas
Fields, Waves and Electromagnetics
Photonics and Electrooptics
Optical design
Refractive index
Metasurfaces
Optical variables control
Frequency conversion
Dielectrics
Optical refraction
- Language
We demonstrate optically tunable control of second-harmonic generation in all dielectric nano-antennas: by using a control beam which is absorbed by the nano-resonator, we thermo-optically change the refractive index of the radiating element to modulate amplitude and phase of the second-harmonic signal. For a moderate temperature increase, sizeable modulation is demonstrated; the large tunability of the single meta-atom response paves the way to exciting avenues for reconfigurable homogeneous and heterogeneous metasurfaces.