Journal
OPTICS LETTERS
Volume 42, Issue 14, Pages 2810-2813Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.42.002810
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Funding
- Engineering and Physical Sciences Research Council (EPSRC) [1463878, EP/L015455/1]
- David and Susan Hibbitt Scholarship
- Engineering and Physical Sciences Research Council [1463878, 1241027] Funding Source: researchfish
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Plasmonic pixels have been shown to offer numerous advantages over pigment-based color filters used in modern commercial liquid crystal (LC) displays. However, wideband dynamic tunability across the visible spectrum remains challenging. We experimentally demonstrate transmissive electrically tunable LC-nanohole pixels operating across the visible spectrum with unpolarized input light. An ultrathin Al nanohole electrode is designed to exhibit a polarized spectral response based on surface plasmon resonances. An output analyzer in combination with a nematic LC layer enables pixel color to be electronically controlled through an applied voltage across the device, where LC re-orientation leads to tunable mixing of the relative contributions from the plasmonic color input. The nanostructured Al layer, acting as a combined electrode, polarizer, and functional color filter, is highly promising for electro-optic display applications. (C) 2017 Optical Society of America
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