Brinks Gilson & Lione
Optoelectronic device including a buried metal grating for extraordinary optical transmission (EOT)
An optoelectronic device includes an etched body comprising a buried metal contact layer on a top surface of a semiconductor structure, which comprises one or more semiconductor layers. The buried metal contact layer includes an arrangement of holes therein. A plurality of nanopillar structures protrude from the top surface of the semiconductor structure and pass through the arrangement of holes. Each nanopillar structure is surrounded at a base thereof by a portion of the buried metal contact layer. When the etched body is exposed to incident radiation having a wavelength in the range from about 300 nm to about 10 microns, at least about 50% of the incident radiation is transmitted through the etched body at a peak transmission wavelength λmax.
The Board of Trustees of the University of Illinois
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Xiuling Daniel M. Xiang
Li Wasserman Zhao