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Conferences > QIM > 2019 > S1C > S1C.2

Optical Back-action Evading Measurement of Mechanical Oscillator

Liu Qiu, Itay Shomroni, Daniel Malz, Andreas Nunnenkamp, and Tobias J. Kippenberg

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Abstract

Quantum mechanics sets a limit on continuous position measurement of a harmonic oscillator, due to quantum backaction from quantum fluctuations in the measurement field. We demonstrate continuous optical two-tone backaction-evading measurement of a mechanical mode of a photonic crystal nanobeam.

© 2019 The Author(s)

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