 Replacing conventional metals such as gold and silver with doped semiconductors or intermetallics could greatly improve the performance of plasmonic and metamaterial devices. 30 January 2012
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 A silicon-based micromirror array is tested for operation at 92K, and a commercial array for a space evaluation program is presented. 30 January 2012
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 Stacked titanium and indium zinc oxide electrodes enable the fabrication of amorphous indium gallium zinc oxide thin-film transistors on transparent, pliable substrates. 20 January 2012
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 The coupling of active or nonlinear resonators provides an efficient way to implement large-bandwidth slow-light systems. 18 January 2012
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 The cost and availability of these important materials have had their ups and downs. The optics industry is using several strategies to make sure future needs are met. 9 January 2012
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 A new scheme with an inherent integer Gray code property reduces photonic analog-to-digital converter errors while enhancing resolution. 9 January 2012
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