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Development and characterization of a flux-pumped lumped element Josephson parametric amplifier

Abstract:

Josephson parametric amplification is a tool of paramount importance in circuit-QED especially for the quantum-noise-limited single-shot readout of superconducting qubits. We developed a Josephson parametric amplifier (JPA) based on a lumped-element LC resonator, in which the inductance L is composed by a geometric inductance and an array of 4 superconducting quantum interference devices (SQUIDs). We characterized the main figures of merit of the device, obtaining a −3 dB bandwidth BW = 15 MH...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1051/epjconf/201919800008

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
ORCID:
0000-0002-7674-9195
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Sub department:
Condensed Matter Physics
Oxford college:
Pembroke College
Role:
Author
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Sub department:
Condensed Matter Physics
Oxford college:
Keble College
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Oxford college:
St Catherine's College
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Oxford college:
St Catherine's College
Role:
Author
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Publisher:
EDP Sciences Publisher's website
Journal:
EPJ Web of Conferences Journal website
Volume:
198
Host title:
EPJ Web of Conferences
Publication date:
2019-01-15
Acceptance date:
2018-12-07
Event location:
Paris, France
DOI:
EISSN:
2100-014X
Source identifiers:
965538
Pubs id:
pubs:965538
UUID:
uuid:cf9de10d-fa44-49cb-a622-c04917e367e6
Local pid:
pubs:965538
Deposit date:
2019-01-22

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