Weak-value measurements can outperform conventional measurements

In this paper we provide a simple, straightforward example of a specific situation in which weak-value amplification (WVA) clearly outperforms conventional measurement in determining the angular orientation of an optical component. We also offer a perspective reconciling the views of some theorists,...

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Bibliographic Details
Published inPhysica scripta Vol. 92; no. 2; pp. 23001 - 23009
Main Authors Magaña-Loaiza, Omar S, Harris, Jérémie, Lundeen, Jeff S, Boyd, Robert W
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.02.2017
Subjects
quantum measurement
quantum wavefunction
weak values
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Summary:In this paper we provide a simple, straightforward example of a specific situation in which weak-value amplification (WVA) clearly outperforms conventional measurement in determining the angular orientation of an optical component. We also offer a perspective reconciling the views of some theorists, who claim WVA to be inherently sub-optimal for parameter estimation, with the perspective of the many experimentalists and theorists who have used the procedure to successfully access otherwise elusive phenomena.
Bibliography:PHYSSCR-105056.R1
Royal Swedish Academy of Sciences
ISSN:0031-8949
1402-4896
DOI:10.1088/1402-4896/92/2/023001