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Precision measurement

Sensing past the quantum limit

Quantum physics ultimately constrains how well sensors of position, speed and acceleration can perform. A hybrid quantum system that avoids these constraints could give rise to improved sensor technologies. See Letter p.191

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Figure 1: Quantum back-action noise avoided.

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References

  1. Møller, C. B. et al. Nature 547, 191–195 (2017).

    Article  ADS  Google Scholar 

  2. Abbott, B. P. et al. Phys. Rev. Lett. 116, 061102 (2016).

    Article  ADS  MathSciNet  CAS  Google Scholar 

  3. Arlett, J. L., Myers, E. B. & Roukes, M. L. Nature Nanotechnol. 6, 203–215 (2011).

    Article  ADS  CAS  Google Scholar 

  4. Ekinci, K. L. & Roukes, M. L. Rev. Sci. Instrum. 76, 061101 (2005).

    Article  ADS  Google Scholar 

  5. Bowen, W. P. & Milburn, G. J. Quantum Optomechanics (CRC Press, 2015).

    Book  Google Scholar 

  6. Braginsky, V. B., Vorontsov, Y. I. & Thorne, K. S. Science 209, 547–557 (1980).

    Article  ADS  CAS  Google Scholar 

  7. Tsang, M. & Caves, C. M. Phys. Rev. X 2, 031016 (2012).

    Google Scholar 

  8. Julsgaard, B., Kozhekin, A. & Polzik, E. S. Nature 413, 400–403 (2001).

    Article  ADS  CAS  Google Scholar 

  9. Wasilewski, W. et al. Phys. Rev. Lett. 104, 133601 (2010).

    Article  ADS  CAS  Google Scholar 

  10. Ockeloen-Korppi, C. F. et al. Phys. Rev. Lett. 117, 140401 (2016).

    Article  ADS  CAS  Google Scholar 

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Correspondence to Warwick P. Bowen.

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Baker, C., Bowen, W. Sensing past the quantum limit. Nature 547, 164–165 (2017). https://doi.org/10.1038/547164a

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