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We provide insight into the driving mechanisms and requirements to create an electro-optic spatial light modulator based on a Barium Titanate waveguide and an optically transparent electrode cladding layer. We have developed a generic framework of electric field simulations and non-linear optics to create any desired modulation in an area of interest, applicable for liquid crystals, Pockels and Kerr cells. Targeting our device structure, we have evaluated several design parameters of the arbitrarily reprogrammable SLM, capable of optical beamforming and high-quality holograms.
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Guillaume Croes, Nikolay Smolentsev, Tsang Hsuan Wang, Robert Gehlhaar, Jan Genoe, "Non-linear electro-optic modelling of a barium titanate grating coupler," Proc. SPIE 11484, Optical Modeling and Performance Predictions XI, 114840D (20 August 2020); https://doi.org/10.1117/12.2568032