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The Route to Nanoscale Terahertz Technology: Nanowire-based Terahertz Detectors and Terahertz Modulators

Boland, Jessica L; Peng, Kun; Baig, Sarwat; Damry, Djamshid A; Parkinson, Patrick; Fu, Lan; Tan, Hark Hoe; Jagadish, Chennupati; Herz, Laura; Joyce, Hannah; Johnston, Michael B


In this work, we demonstrate novel THz detectors and modulators based on semiconductor nanowires. We show that single nanowire PC THz receivers exhibit excellent sensitivity, high SNR of 40, and a broad detection bandwidth up to 2 THz, comparable to the bulk InP PC receivers. We also demonstrate ultrafast THz modulation by GaAs nanowire polarisers with a less than 5ps switching time and a modulation depth of-8dB, We show an extinction of over 13% and dynamic range of-9dB, comparable to...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Conference paper
Source: Proceedings of the 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2018)
DOI: 10.1109/IRMMW-THz.2018.8510319


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