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- W4297239258 abstract "Abstract A nanomechanical oscillator can be used as a sensitive probe of a small linearized mechanical force. We propose a simple quantum optomechanical scheme using a coherent light mode in the cavity and weak short-pulsed light-matter interactions. Our main result is that if we transfer some displacement to the mechanical mode in an initialization phase, then a much weaker optomechanical interaction is enough to obtain a high-precision multiparameter estimation of the unknown force. This approach includes not only estimating the displacement caused by the force but also simultaneously observing the phase shift and squeezing of the mechanical mode. We show that the proposed scheme is robust against typical experimental imperfections and demonstrate the feasibility of our scheme using orders of magnitude weaker optomechanical interactions than in previous related works. Thus, we present a simple, robust estimation scheme requiring only very weak light-matter interactions, which could open the way to new nanomechanical sensors." @default.
- W4297239258 created "2022-09-28" @default.
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- W4297239258 date "2022-09-26" @default.
- W4297239258 modified "2023-10-18" @default.
- W4297239258 title "High-precision multiparameter estimation of mechanical force by quantum optomechanics" @default.
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- W4297239258 doi "https://doi.org/10.1038/s41598-022-20150-6" @default.
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