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A near–quantum-limited Josephson traveling-wave parametric amplifier

Macklin, C., O’Brien, K., Hover, D., Schwartz, M. E., Bolkhovsky, V., Zhang, X., Oliver, W. D., Siddiqi, I.·2015·Science

Abstract

Stringing together a powerful amplifier: Amplifying microwave signals with high gain and across a broad range of frequencies is crucial in solid-state quantum information processing (QIP). Achieving broadband operation is especially tricky. Macklin et al. engineered an amplifier that contains a long chain of so-called Josephson junctions (see the Perspective by Cleland). The amplifier exhibited high gain over a gigahertz-sized bandwidth and was able to perform high-fidelity qubit readout. Because the amplifier will be capable of reading out as many as 20 qubits simultaneously, it may help to scale up QIP protocols. Science , this issue p. 307 ; see also p. 280

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Metadata

Authors
Macklin, C., O’Brien, K., Hover, D., Schwartz, M. E., Bolkhovsky, V., Zhang, X., Oliver, W. D., & Siddiqi, I.
Venue
Science
Published
2015-10-16
Volume
350
Issue
6258
Pages
307-310
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W1803064406
Cited by
821
References
1
FWCI
38.79
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A near–quantum-limited Josephson traveling-wave parametric amplifier. https://app.cochat.ai/papers/10.1126/science.aaa8525
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Macklin, C., O’Brien, K., Hover, D., Schwartz, M. E., Bolkhovsky, V., Zhang, X., Oliver, W. D., & Siddiqi, I. (2015). A near–quantum-limited Josephson traveling-wave parametric amplifier. Science. https://doi.org/10.1126/science.aaa8525

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