Tunable superconducting qudit mediated by microwave photons

Tunable superconducting qudit mediated by microwave photons

We have investigated the time-domain characteristics of the Autler-Townes doublet in a superconducting circuit. The transition probabilities between the ground state and the Autler-Townes doublet states are shown to be controlled in a phase-coherent manner using a well-known microwave pulse pattern...

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Main Authors: Sung Un Cho, Myung-Ho Bae, Kicheon Kang, Nam Kim
Format: Article
Language:English
Published: AIP Publishing LLC 2015-08-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.4930103
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spelling doaj-342b8a80f6544252b46061f2692f28ad2020-11-24T21:54:03ZengAIP Publishing LLCAIP Advances2158-32262015-08-0158087186087186-610.1063/1.4930103085508ADVTunable superconducting qudit mediated by microwave photonsSung Un Cho0Myung-Ho Bae1Kicheon Kang2Nam Kim3Korea Research Institute of Standards and Science, Daejeon 305-340, KoreaKorea Research Institute of Standards and Science, Daejeon 305-340, KoreaDepartment of Physics, Chonnam National University, Gwangju 500-757, KoreaKorea Research Institute of Standards and Science, Daejeon 305-340, KoreaWe have investigated the time-domain characteristics of the Autler-Townes doublet in a superconducting circuit. The transition probabilities between the ground state and the Autler-Townes doublet states are shown to be controlled in a phase-coherent manner using a well-known microwave pulse pattern technique. The experimental results are well explained by a numerical simulation based on the Markovian master equation. Our result indicates that the Autler-Townes doublet states might be useful as a tunable qudit for implementation of quantum information processing, in particular as a multivalued quantum logic element.http://dx.doi.org/10.1063/1.4930103
collection DOAJ
language English
format Article
sources DOAJ
author Sung Un Cho
Myung-Ho Bae
Kicheon Kang
Nam Kim
spellingShingle Sung Un Cho
Myung-Ho Bae
Kicheon Kang
Nam Kim
Tunable superconducting qudit mediated by microwave photons
AIP Advances
author_facet Sung Un Cho
Myung-Ho Bae
Kicheon Kang
Nam Kim
author_sort Sung Un Cho
title Tunable superconducting qudit mediated by microwave photons
title_short Tunable superconducting qudit mediated by microwave photons
title_full Tunable superconducting qudit mediated by microwave photons
title_fullStr Tunable superconducting qudit mediated by microwave photons
title_full_unstemmed Tunable superconducting qudit mediated by microwave photons
title_sort tunable superconducting qudit mediated by microwave photons
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2015-08-01
description We have investigated the time-domain characteristics of the Autler-Townes doublet in a superconducting circuit. The transition probabilities between the ground state and the Autler-Townes doublet states are shown to be controlled in a phase-coherent manner using a well-known microwave pulse pattern technique. The experimental results are well explained by a numerical simulation based on the Markovian master equation. Our result indicates that the Autler-Townes doublet states might be useful as a tunable qudit for implementation of quantum information processing, in particular as a multivalued quantum logic element.
url http://dx.doi.org/10.1063/1.4930103
work_keys_str_mv AT sunguncho tunablesuperconductingquditmediatedbymicrowavephotons
AT myunghobae tunablesuperconductingquditmediatedbymicrowavephotons
AT kicheonkang tunablesuperconductingquditmediatedbymicrowavephotons
AT namkim tunablesuperconductingquditmediatedbymicrowavephotons
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