Published September 1, 2001
| public
Journal Article
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Sensitivity optimization in quantum parameter estimation
- Creators
- Verstraete, F.
- Doherty, A. C.
- Mabuchi, H.
Abstract
We present a general framework for sensitivity optimization in quantum parameter estimation schemes based on continuous (indirect) observation of a dynamical system. As an illustrative example, we analyze the canonical scenario of monitoring the position of a free mass or harmonic oscillator to detect weak classical forces. We show that our framework allows the consideration of sensitivity scheduling, as well as estimation strategies for nonstationary signals, leading us to propose corresponding generalizations of the standard quantum limit for force detection.
Additional Information
©2001 The American Physical Society Received 24 April 2001; published 17 August 2001 This work was supported by the National Science Foundation, under Contract Nos. PHY-9987541 and EIA-0086038, the A. P. Sloan Foundation, and the K. U. Leuven. F.V. is grateful to Bart De Moor.Files
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Additional details
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- 2030
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- CaltechAUTHORS:VERpra01
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