Multi-Path Interferometric Josephson Directional Amplifier for Qubit\n Readout Article Swipe
Baleegh Abdo
,
Nick Bronn
,
Oblesh Jinka
,
Salvatore Olivadese
,
Markus Brink
,
Jerry M. Chow
·
YOU?
·
· 2017
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.1710.02521
YOU?
·
· 2017
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.1710.02521
We realize and characterize a quantum-limited, directional Josephson\namplifier suitable for qubit readout. The device consists of two nondegenerate,\nthree-wave-mixing amplifiers that are coupled together in an interferometric\nscheme, embedded in a printed circuit board. Nonreciprocity is generated by\napplying a phase gradient between the same-frequency pumps feeding the device,\nwhich plays the role of the magnetic field in a Faraday medium. Directional\namplification and reflection-gain elimination are induced via wave interference\nbetween multiple paths in the system. We measure and discuss the main figures\nof merit of the device and show that the experimental results are in good\nagreement with theory. An improved version of this directional amplifier is\nexpected to eliminate the need for bulky, off-chip isolation stages that\ngenerally separate quantum systems and preamplifiers in high-fidelity,\nquantum-nondemolition measurement setups.\n
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Metadata
- Type
- preprint
- Language
- en
- Landing Page
- http://arxiv.org/abs/1710.02521
- https://arxiv.org/pdf/1710.02521
- OA Status
- green
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4298019068
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4298019068Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.48550/arxiv.1710.02521Digital Object Identifier
- Title
-
Multi-Path Interferometric Josephson Directional Amplifier for Qubit\n ReadoutWork title
- Type
-
preprintOpenAlex work type
- Language
-
enPrimary language
- Publication year
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2017Year of publication
- Publication date
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2017-10-07Full publication date if available
- Authors
-
Baleegh Abdo, Nick Bronn, Oblesh Jinka, Salvatore Olivadese, Markus Brink, Jerry M. ChowList of authors in order
- Landing page
-
https://arxiv.org/abs/1710.02521Publisher landing page
- PDF URL
-
https://arxiv.org/pdf/1710.02521Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
- OA URL
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https://arxiv.org/pdf/1710.02521Direct OA link when available
- Concepts
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Physics, Amplifier, Interferometry, Preamplifier, Power dividers and directional couplers, Qubit, Quantum limit, Optics, Optoelectronics, Quantum, Quantum mechanics, CMOSTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
0Total citation count in OpenAlex
- Related works (count)
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10Other works algorithmically related by OpenAlex
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