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Stabilizing Rabi oscillations in a superconducting qubit using quantum feedback

Overview of attention for article published in Nature, October 2012
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About this Attention Score

  • In the top 5% of all research outputs scored by Altmetric
  • High Attention Score compared to outputs of the same age (96th percentile)
  • Above-average Attention Score compared to outputs of the same age and source (53rd percentile)

Mentioned by

blogs
2 blogs
twitter
9 X users
patent
17 patents
facebook
7 Facebook pages
wikipedia
1 Wikipedia page
reddit
1 Redditor

Citations

dimensions_citation
393 Dimensions

Readers on

mendeley
399 Mendeley
citeulike
5 CiteULike
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Title
Stabilizing Rabi oscillations in a superconducting qubit using quantum feedback
Published in
Nature, October 2012
DOI 10.1038/nature11505
Pubmed ID
Authors

R. Vijay, C. Macklin, D. H. Slichter, S. J. Weber, K. W. Murch, R. Naik, A. N. Korotkov, I. Siddiqi

Abstract

The act of measurement bridges the quantum and classical worlds by projecting a superposition of possible states into a single (probabilistic) outcome. The timescale of this 'instantaneous' process can be stretched using weak measurements, such that it takes the form of a gradual random walk towards a final state. Remarkably, the interim measurement record is sufficient to continuously track and steer the quantum state using feedback. Here we implement quantum feedback control in a solid-state system, namely a superconducting quantum bit (qubit) coupled to a microwave cavity. A weak measurement of the qubit is implemented by probing the cavity with microwave photons, maintaining its average occupation at less than one photon. These photons are then directed to a high-bandwidth, quantum-noise-limited amplifier, which allows real-time monitoring of the state of the cavity (and, hence, that of the qubit) with high fidelity. We demonstrate quantum feedback control by inhibiting the decay of Rabi oscillations, allowing them to persist indefinitely. Such an ability permits the active suppression of decoherence and enables a method of quantum error correction based on weak continuous measurements. Other applications include quantum state stabilization, entanglement generation using measurement, state purification and adaptive measurements.

X Demographics

X Demographics

The data shown below were collected from the profiles of 9 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 399 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 11 3%
China 7 2%
France 2 <1%
Japan 2 <1%
United Kingdom 2 <1%
Italy 1 <1%
Austria 1 <1%
Singapore 1 <1%
Belgium 1 <1%
Other 5 1%
Unknown 366 92%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 139 35%
Researcher 64 16%
Student > Master 35 9%
Professor > Associate Professor 23 6%
Student > Bachelor 23 6%
Other 56 14%
Unknown 59 15%
Readers by discipline Count As %
Physics and Astronomy 286 72%
Engineering 15 4%
Chemistry 7 2%
Materials Science 7 2%
Computer Science 3 <1%
Other 15 4%
Unknown 66 17%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 38. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 14 November 2023.
All research outputs
#974,485
of 23,877,717 outputs
Outputs from Nature
#30,899
of 93,511 outputs
Outputs of similar age
#5,541
of 174,546 outputs
Outputs of similar age from Nature
#492
of 1,058 outputs
Altmetric has tracked 23,877,717 research outputs across all sources so far. Compared to these this one has done particularly well and is in the 95th percentile: it's in the top 5% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 93,511 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 101.3. This one has gotten more attention than average, scoring higher than 66% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 174,546 tracked outputs that were published within six weeks on either side of this one in any source. This one has done particularly well, scoring higher than 96% of its contemporaries.
We're also able to compare this research output to 1,058 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 53% of its contemporaries.