Quantum Limits of Optical Beam Deflection Measurements of a Nanomechanical Resonator

Shan Hao,Robinjeet Singh,Thomas P. Purdy

Conference on Lasers and Electro-Optics（2020）

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摘要

Optical lever detection is a simple and robust method to measure small displacements. We report on our experimental efforts toward reaching and surpassing the quantum backaction limits of this method when probing a high Q nanomechanical resonator.

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关键词

optical beam deflection measurements,optical lever detection,quantum backaction limits,displacement measurement,high Q nanomechanical resonator

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