Imaging a force field via an optically levitated nanoparticle array  

作　　者：Bihu Lv Jiandong Zhang Chuang Li 吕碧沪;张建东;李闯(Research Center for Novel Computing Sensing and Intelligent Processing,Zhejiang Laboratory,Hangzhou 311121,China;School of Mathematics and Physics,Jiangsu University of Technology,Changzhou 213001,China)

机构地区：[1]Research Center for Novel Computing Sensing and Intelligent Processing,Zhejiang Laboratory,Hangzhou 311121,China [2]School of Mathematics and Physics,Jiangsu University of Technology,Changzhou 213001,China

出　　处：《Chinese Physics B》2024年第9期179-184,共6页中国物理B（英文版）

基　　金：the useful discussion.This work is supported by the Natural Science Foundation of Zhe-jiang Province(Grant No.LQ22A040010);the National Natural Science Foundation of China(Grant Nos.12304545 and 12204434).

摘　　要：Levitated optomechanical systems represent an excellent candidate platform for force and acceleration sensing.We propose a force-sensing protocol utilizing an optically levitated nanoparticle array.In our scheme,N nanoparticles are trapped in an optical cavity using holographic optical tweezers.An external laser drives the cavity,exciting N cavity modes interacting simultaneously with the N nanoparticles.The optomechanical interaction encodes the information of the force acting on each nanoparticle onto the intracavity photons,which can be detected directly at the output ports of the cavity.Consequently,our protocol enables real-time imaging of a force field.

关 键 词：OPTOMECHANICS levitated nanoparticles force field detection 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术] O439[自动化与计算机技术—计算机科学与技术]