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Trapped Ion Quantum Computing
Using technical noise to increase the signal-to-noise ratio, via imaginary weak values
arXiv
Authors: Yaron Kedem
Year
2011
Paper ID
29572
Status
Preprint
Abstract Read
~2 min
Abstract Words
80
Citations
N/A
Abstract
The advantages of weak measurements, and especially measurements of imaginary weak values, for precision enhancement, are discussed. A situation is considered in which the initial state of the measurement device varies randomly on each run, and is shown to be in fact beneficial when imaginary weak values are used. The result is supported by numerical calculation and also provides an explanation for the reduction of technical noise in some recent experimental results. A connection to quantum metrology formalism is made.
Why This Paper Matters
- This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
- It adds a 2011 reference point for readers tracking recent quantum research.
- The advantages of weak measurements, and especially measurements of imaginary weak values, for precision enhancement, are discussed.
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