Optimised conversion efficiency of a HTS MMIC Josephson down-converter

Du, J; Bai, DD; Zhang, T; Jay Guo, Y; He, YS; Pegrum, CM

Optimised conversion efficiency of a HTS MMIC Josephson down-converter

Du, J

Bai, DD Zhang, T

Jay Guo, Y

He, YS Pegrum, CM

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Publication Type:: Journal Article
Citation:: Superconductor Science and Technology, 2014, 27 (10)
Issue Date:: 2014-10-01

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Field	Value	Language
dc.contributor.author	Du, J https://orcid.org/0000-0001-8111-9588	en_US
dc.contributor.author	Bai, DD	en_US
dc.contributor.author	Zhang, T https://orcid.org/0000-0001-6436-125X	en_US
dc.contributor.author	Jay Guo, Y https://orcid.org/0000-0001-6008-9682	en_US
dc.contributor.author	He, YS	en_US
dc.contributor.author	Pegrum, CM	en_US
dc.date.issued	2014-10-01	en_US
dc.identifier.citation	Superconductor Science and Technology, 2014, 27 (10)	en_US
dc.identifier.issn	0953-2048	en_US
dc.identifier.uri	http://hdl.handle.net/10453/118837
dc.description.abstract	© 2014 IOP Publishing Ltd. A high-Tc superconducting (HTS) monolithic microwave integrated circuit (MMIC) Josephson down-converter that approaches zero conversion loss is reported. The all-HTS YBa2Cu3O7-x thin-film circuit consists of a step-edge Josephson junction mixer, a 10-12 GHz bandpass filter for the RF input, a lowpass filter for the IF output and a resonant strip line for local oscillator isolation; all are integrated on a single 10 mm × 20 mm MgO substrate. The DC characteristics of the junction and its mixing properties have been experimentally studied and compared to the results of (a) a single Josephson mixer without the on-chip HTS filters, and (b) our previously reported MMIC down-converter which had very different junction characteristics. The Josephson junction parameters are analysed to give insight into their effect on the mixer performance.	en_US
dc.relation.ispartof	Superconductor Science and Technology	en_US
dc.relation.isbasedon	10.1088/0953-2048/27/10/105002	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject.classification	General Physics	en_US
dc.title	Optimised conversion efficiency of a HTS MMIC Josephson down-converter	en_US
dc.type	Journal Article
utslib.citation.volume	10	en_US
utslib.citation.volume	27	en_US
utslib.for	0204 Condensed Matter Physics	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
utslib.for	0912 Materials Engineering	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 - GBDTC - Global Big Data Technologies
utslib.copyright.status	closed_access	*
pubs.issue	10	en_US
pubs.publication-status	Published	en_US
pubs.volume	27	en_US

Abstract:

© 2014 IOP Publishing Ltd. A high-Tc superconducting (HTS) monolithic microwave integrated circuit (MMIC) Josephson down-converter that approaches zero conversion loss is reported. The all-HTS YBa2Cu3O7-x thin-film circuit consists of a step-edge Josephson junction mixer, a 10-12 GHz bandpass filter for the RF input, a lowpass filter for the IF output and a resonant strip line for local oscillator isolation; all are integrated on a single 10 mm × 20 mm MgO substrate. The DC characteristics of the junction and its mixing properties have been experimentally studied and compared to the results of (a) a single Josephson mixer without the on-chip HTS filters, and (b) our previously reported MMIC down-converter which had very different junction characteristics. The Josephson junction parameters are analysed to give insight into their effect on the mixer performance.

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http://hdl.handle.net/10453/118837