When Amplification with Weak Values Fails to Suppress Technical Noise
Когда усиление с использованием слабых значений не позволяет подавить технический шум
2014-03-06
SCID: 54.1/yj6c5678
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quantum metrologysignal amplificationtechnical noiseweak-value amplification
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Abstract (AI)
``Weak-value amplification,'' a quantum-mechanical phenomenon discovered only two decades ago, has received considerable interest for its potential as a metrological tool. However, its operation requires special circumstances, therefore carries costs. A new analysis shows that the associated costs outweigh the advantages when compared to other methods of signal amplification.
Key Findings
1
A new analysis finds that weak-value amplification’s costs outweigh its potential advantages for metrological signal amplification.
2
The abstract challenges the use of weak-value amplification as a generally superior metrological tool.
3
Weak-value amplification fails to suppress technical noise relative to alternative signal-amplification methods.
4
Weak-value amplification requires special experimental circumstances, introducing substantial operational costs.
Research Object
weak-value amplification as a metrological signal-amplification method
Research Subject
the failure of weak-value amplification to suppress technical noise and its unfavorable cost–benefit performance compared with alternative amplification methods
Publication Details
Publication Date
2014-03-06
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