Overwhelming Thermomechanical Motion with Microwave Radiation Pressure Shot Noise

Physical Review Letters
J D TeufelR W Simmonds

Abstract

We measure the fundamental noise processes associated with a continuous linear position measurement of a micromechanical membrane incorporated in a microwave cavity optomechanical circuit. We observe the trade-off between the two fundamental sources of noise that enforce the standard quantum limit: the measurement imprecision and radiation pressure backaction from photon shot noise. We demonstrate that the quantum backaction of the measurement can overwhelm the intrinsic thermal motion by 24 dB, entering a new regime for cavity optomechanical systems.

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Citations

Dec 22, 2016·Proceedings of the National Academy of Sciences of the United States of America·William Hvidtfelt Padkær NielsenAlbert Schliesser
May 9, 2019·Nature Communications·Itay ShomroniTobias J Kippenberg
Sep 17, 2019·Physical Review Letters·H RampJ P Davis
Sep 29, 2018·Physical Review Letters·Dominic BranfordAnimesh Datta
Mar 27, 2019·Nature·Jonathan CripeThomas Corbitt
Jul 2, 2016·Physical Review Letters·Vijay JainLukas Novotny
Jul 30, 2016·Physical Review Letters·L F BuchmannD M Stamper-Kurn
Jul 3, 2020·Nature·Haocun YuUNKNOWN members of the LIGO Scientific Collaboration
Jan 5, 2019·Physical Review Letters·C F Ockeloen-KorppiM A Sillanpää
Jan 1, 2017·Applied Physics. B, Lasers and Optics·Andreas BargAlbert Schliesser
Jul 3, 2020·Nature·Valeria Sequino, Mateusz Bawaj
Mar 19, 2020·Nature Communications·Atsushi NoguchiYasunobu Nakamura
May 8, 2021·Science·Laure Mercier de LépinayMika A Sillanpää

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