An analytical model for the detection of levitated nanoparticles in optomechanics

The Review of Scientific Instruments
A T M Anishur RahmanG W Morley

Abstract

Interferometric position detection of levitated particles is crucial for the centre-of-mass (CM) motion cooling and manipulation of levitated particles. In combination with balanced detection and feedback cooling, this system has provided picometer scale position sensitivity, zeptonewton force detection, and sub-millikelvin CM temperatures. In this article, we develop an analytical model of this detection system and compare its performance with experimental results allowing us to explain the presence of spurious frequencies in the spectra.

References

May 22, 2010·Science·Tongcang LiMark G Raizen
Sep 26, 2012·Physical Review Letters·Jan GieselerLukas Novotny
Apr 1, 2014·Physical Review Letters·Jan GieselerRomain Quidant
Apr 1, 2014·Nature Nanotechnology·Jan GieselerLukas Novotny
Feb 24, 2016·Scientific Reports·A T M A RahmanP F Barker
Jul 2, 2016·Physical Review Letters·Vijay JainLukas Novotny

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Citations

Dec 12, 2019·Reports on Progress in Physics·James MillenA Nick Vamivakas

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