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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Møller, C. B. et al. Nature 547, 191–195 (2017).
Abbott, B. P. et al. Phys. Rev. Lett. 116, 061102 (2016).
Arlett, J. L., Myers, E. B. & Roukes, M. L. Nature Nanotechnol. 6, 203–215 (2011).
Ekinci, K. L. & Roukes, M. L. Rev. Sci. Instrum. 76, 061101 (2005).
Bowen, W. P. & Milburn, G. J. Quantum Optomechanics (CRC Press, 2015).
Braginsky, V. B., Vorontsov, Y. I. & Thorne, K. S. Science 209, 547–557 (1980).
Tsang, M. & Caves, C. M. Phys. Rev. X 2, 031016 (2012).
Julsgaard, B., Kozhekin, A. & Polzik, E. S. Nature 413, 400–403 (2001).
Wasilewski, W. et al. Phys. Rev. Lett. 104, 133601 (2010).
Ockeloen-Korppi, C. F. et al. Phys. Rev. Lett. 117, 140401 (2016).
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Baker, C., Bowen, W. Sensing past the quantum limit. Nature 547, 164–165 (2017). https://doi.org/10.1038/547164a