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Mapping the cavity optomechanical interaction with sub-wavelength-sized ultrasensitive nanomechanical force sensors

In canonical optomechanical systems, mechanical vibrations are dynamically encoded on an optical probe eld which reciprocally exerts a backaction force. Due to the weak single photon coupling strength achieved with macroscopic oscillators, most of existing experiments were conducted with large photon numbers to achieve sizeable eects, thereby hiding the original optomechanical non-linearity.

Francesco Fogliano, Benjamin Besga, Antoine Reigue, Philip Heringlake, Laure Mercier de Lépinay, Cyril Vaneph, Jakob Reichel, Benjamin Pigeau, et Olivier Arcizet
Phys. Rev. X 11, 021009 – Published 8 April 2021

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