Yagi-Uda Nanoantenna Structures for Infrared Detection Using Silicon

Detection of light below band gap energies using nanolithographic Yagi-Uda antennas is discussed. Two nonlinear mechanisms contributing to generation of photocurrent are identified and evaluated. Results of a Si near-IR photodetector are presented and application to mid-IR discussed. Additionally, f...

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Bibliographic Details
Main Authors: Rieger, William, Heremans, Jean J., Ruan, Hang, Kang, Yuhong, Claus, Richard
Format: Conference Proceeding
Language:English
Subjects:
Antenna arrays
Antenna measurements
Finite element analysis
Harmonic analysis
Photoconductivity
Yagi-Uda antennas
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Summary:Detection of light below band gap energies using nanolithographic Yagi-Uda antennas is discussed. Two nonlinear mechanisms contributing to generation of photocurrent are identified and evaluated. Results of a Si near-IR photodetector are presented and application to mid-IR discussed. Additionally, finite element modeling methods are employed.
ISSN:2376-8614
DOI:10.1109/PHOSST.2019.8794980