Weak-value measurements can outperform conventional measurements

被引:9
|
作者
Magana-Loaiza, Omar S. [1 ]
Harris, Jeremie [2 ,3 ]
Lundeen, Jeff S. [2 ,3 ]
Boyd, Robert W. [1 ,2 ,3 ]
机构
[1] Univ Rochester, Inst Opt, Rochester, NY 14580 USA
[2] Univ Ottawa, Dept Phys, Ottawa, ON K1N 6N5, Canada
[3] Univ Ottawa, Max Planck Ctr Extreme & Quantum Photon, Ottawa, ON K1N 6N5, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
quantum measurement; weak values; quantum wavefunction;
D O I
10.1088/1402-4896/92/2/023001
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
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.
引用
收藏
页数:9
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