Single nanowire photoconductive terahertz detectors

Peng, K; Parkinson, P; Fu, L; Gao, Q; Jiang, N; Guo, YN; Wang, F; Joyce, HJ; Boland, JL; Tan, HH; Jagadish, C; Johnston, MB

Single nanowire photoconductive terahertz detectors

Peng, K Parkinson, P Fu, L Gao, Q Jiang, N Guo, YN Wang, F

Joyce, HJ Boland, JL Tan, HH Jagadish, C Johnston, MB

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Publication Type:: Journal Article
Citation:: Nano Letters, 2015, 15 (1), pp. 206 - 210
Issue Date:: 2015-01-14

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Field	Value	Language
dc.contributor.author	Peng, K	en_US
dc.contributor.author	Parkinson, P	en_US
dc.contributor.author	Fu, L	en_US
dc.contributor.author	Gao, Q	en_US
dc.contributor.author	Jiang, N	en_US
dc.contributor.author	Guo, YN	en_US
dc.contributor.author	Wang, F https://orcid.org/0000-0001-7403-3305	en_US
dc.contributor.author	Joyce, HJ	en_US
dc.contributor.author	Boland, JL	en_US
dc.contributor.author	Tan, HH	en_US
dc.contributor.author	Jagadish, C	en_US
dc.contributor.author	Johnston, MB	en_US
dc.date.issued	2015-01-14	en_US
dc.identifier.citation	Nano Letters, 2015, 15 (1), pp. 206 - 210	en_US
dc.identifier.issn	1530-6984	en_US
dc.identifier.uri	http://hdl.handle.net/10453/117560
dc.description.abstract	© 2014 American Chemical Society. Spectroscopy and imaging in the terahertz (THz) region of the electromagnetic spectrum has proven to provide important insights in fields as diverse as chemical analysis, materials characterization, security screening, and nondestructive testing. However, compact optoelectronics suited to the most powerful terahertz technique, time-domain spectroscopy, are lacking. Here, we implement single GaAs nanowires as microscopic coherent THz sensors and for the first time incorporated them into the pulsed time-domain technique. We also demonstrate the functionality of the single nanowire THz detector as a spectrometer by using it to measure the transmission spectrum of a 290 GHz low pass filter. Thus, nanowires are shown to be well suited for THz device applications and hold particular promise as near-field THz sensors.	en_US
dc.relation.ispartof	Nano Letters	en_US
dc.relation.isbasedon	10.1021/nl5033843	en_US
dc.subject.classification	Nanoscience & Nanotechnology	en_US
dc.title	Single nanowire photoconductive terahertz detectors	en_US
dc.type	Journal Article
utslib.citation.volume	1	en_US
utslib.citation.volume	15	en_US
utslib.for	0205 Optical Physics	en_US
utslib.for	0204 Condensed Matter Physics	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - IBMD - Initiative for Biomedical Devices
utslib.copyright.status	closed_access
pubs.issue	1	en_US
pubs.publication-status	Published	en_US
pubs.volume	15	en_US

Abstract:

© 2014 American Chemical Society. Spectroscopy and imaging in the terahertz (THz) region of the electromagnetic spectrum has proven to provide important insights in fields as diverse as chemical analysis, materials characterization, security screening, and nondestructive testing. However, compact optoelectronics suited to the most powerful terahertz technique, time-domain spectroscopy, are lacking. Here, we implement single GaAs nanowires as microscopic coherent THz sensors and for the first time incorporated them into the pulsed time-domain technique. We also demonstrate the functionality of the single nanowire THz detector as a spectrometer by using it to measure the transmission spectrum of a 290 GHz low pass filter. Thus, nanowires are shown to be well suited for THz device applications and hold particular promise as near-field THz sensors.

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http://hdl.handle.net/10453/117560