Tunable second harmonic generation by an all-dielectric diffractive metasurface embedded in liquid crystals
Sign Up to like & getrecommendations! Published in 2022 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ac61d2
Abstract: We experimentally demonstrate the possibility to modulate the second harmonic (SH) power emitted by nonlinear AlGaAs metasurfaces embedded in a liquid crystal (LC) matrix. This result is obtained by changing the relative in-plane orientation between… read more here.
Keywords: metasurface; harmonic generation; generation dielectric; tunable second ... See more keywords
Optimisation of colour generation from dielectric nanostructures using reinforcement learning.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.005874
Abstract: Recently, a novel machine learning model has emerged in the field of reinforcement learning known as deep Q-learning. This model is capable of finding the best possible solution in systems consisting of millions of choices,… read more here.
Keywords: colour generation; generation dielectric; dielectric nanostructures; reinforcement learning ... See more keywords