Sensitivity optimization in quantum parameter estimation
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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 non-stationary signals, leading us to propose corresponding generalizations of the Standard Quantum Limit for force detection.Keywords
All Related Versions
- Version 1, 2001-04-24, ArXiv
- Published version: Physical Review A, 64 (3), 032111.
This publication has 1 reference indexed in Scilit:
- Stochastic Differential Equations: An Introduction with Applications.Journal of the American Statistical Association, 1987