21 February 2018 Electro-optic polymeric reflection modulator based on plasmonic metamaterial
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Abstract
A novel low power design for polymeric Electro-Optic reflection modulator is proposed based on the Extraordinary Reflection of light from multilayer structure consisting of a plasmonic metasurface with a periodic structure of sub wavelength circular apertures in a gold film above a thin layer of EO polymer and above another thin gold layer. The interference of the different reflected beams from different layer construct the modulated beam, The applied input driving voltage change the polymer refractive index which in turn determine whether the interference is constructive or destructive, so both phase and intensity modulation could be achieved. The resonant wavelength is tuned to the standard telecommunication wavelength 1.55μm, at this wavelength the reflection is minimum, while the absorption is maximum due to plasmonic resonance (PR) and the coupling between the incident light and the plasmonic metasurface.
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A. Abbas, A. Abbas, M. Swillam, M. Swillam, } "Electro-optic polymeric reflection modulator based on plasmonic metamaterial", Proc. SPIE 10529, Organic Photonic Materials and Devices XX, 105291E (21 February 2018); doi: 10.1117/12.2300567; https://doi.org/10.1117/12.2300567
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