Distinguishing unitary gates on the IBM quantum processor

Liu, S; Li, Y; Duan, R

Distinguishing unitary gates on the IBM quantum processor

Liu, S Li, Y Duan, R

Permalink

Publication Type:: Journal Article
Citation:: Science China Information Sciences, 2019, 62 (7)
Issue Date:: 2019-07-01

Closed Access

	Filename	Description	Size
	Distinguishing unitary gates on the IBM quantum processor.pdf	Published Version	336.67 kB	Adobe PDF	View/Open

Copyright Clearance Process

Recently Added
In Progress
Closed Access

This item is closed access and not available.

Full metadata record

Field	Value	Language
dc.contributor.author	Liu, S	en_US
dc.contributor.author	Li, Y	en_US
dc.contributor.author	Duan, R https://orcid.org/0000-0002-4388-7487	en_US
dc.date.issued	2019-07-01	en_US
dc.identifier.citation	Science China Information Sciences, 2019, 62 (7)	en_US
dc.identifier.issn	1674-733X	en_US
dc.identifier.uri	http://hdl.handle.net/10453/135109
dc.description.abstract	© 2019, Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature. An unknown unitary gate, which is secretly chosen from several known ones, can always be distinguished perfectly. In this paper, we implement such a task on IBM’s quantum processor. More precisely, we experimentally demonstrate the discrimination of two qubit unitary gates, the identity gate and the 23π-phase shift gate, using two discrimination schemes — the parallel scheme and the sequential scheme. We program these two schemes on the ibmqx4, a 5-qubit superconducting quantum processor via IBM cloud, with the help of the QSI modules. We report that both discrimination schemes achieve success probabilities at least 85%.	en_US
dc.relation.ispartof	Science China Information Sciences	en_US
dc.relation.isbasedon	10.1007/s11432-018-9703-y	en_US
dc.subject.classification	Software Engineering	en_US
dc.title	Distinguishing unitary gates on the IBM quantum processor	en_US
dc.type	Journal Article
utslib.citation.volume	7	en_US
utslib.citation.volume	62	en_US
utslib.for	0206 Quantum Physics	en_US
utslib.for	0102 Applied Mathematics	en_US
utslib.for	0804 Data Format	en_US
utslib.for	0806 Information Systems	en_US
utslib.for	0899 Other Information and Computing Sciences	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 Computer Science
pubs.organisational-group	/University of Technology Sydney/Strength - QSI - Centre for Quantum Software and Information
pubs.organisational-group	/University of Technology Sydney/Students
utslib.copyright.status	closed_access
pubs.issue	7	en_US
pubs.publication-status	Published	en_US
pubs.volume	62	en_US

Abstract:

© 2019, Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature. An unknown unitary gate, which is secretly chosen from several known ones, can always be distinguished perfectly. In this paper, we implement such a task on IBM’s quantum processor. More precisely, we experimentally demonstrate the discrimination of two qubit unitary gates, the identity gate and the 23π-phase shift gate, using two discrimination schemes — the parallel scheme and the sequential scheme. We program these two schemes on the ibmqx4, a 5-qubit superconducting quantum processor via IBM cloud, with the help of the QSI modules. We report that both discrimination schemes achieve success probabilities at least 85%.

Please use this identifier to cite or link to this item:

http://hdl.handle.net/10453/135109