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Photoconductive terahertz receivers utilizing single semiconductor nanowires

Peng, Kun; Parkinson, Patrick; Fu, Lan; Gao, Qiang; Jiang, Nian; Guo, Ya-Nan; Wang, Fan; Joyce, Hannah J; Boland, Jessica L; Tan, Hark Hoe; Jagadish, Chennupati; Johnston, Michael B.


We have demonstrated phase sensitive detectors of coherent terahertz radiation that use single nanowires as active elements. The single GaAs/AlGaAs nanowires acted as sensitive photoconductive elements within a gold antenna structure on quartz. The detectors were also implemented in a terahertz time domain spectroscopy (THz-TDS) system. Our devices show great promise as near-field terahertz sensors or as components for onchip terahertz micro-spectrometers.

CollectionsANU Research Publications
Date published: 2015
Type: Conference paper
Book Title: 2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)
DOI: 10.1109/IRMMW-THz.2015.7327691
Access Rights: Open Access


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