中国物理B ›› 2024, Vol. 33 ›› Issue (9): 90702-090702.doi: 10.1088/1674-1056/ad6b86

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Imaging a force field via an optically levitated nanoparticle array

Bihu Lv(吕碧沪)1, Jiandong Zhang(张建东)2, and Chuang Li(李闯)1,†   

  1. 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
  • 收稿日期:2024-07-08 修回日期:2024-08-02 接受日期:2024-08-06 出版日期:2024-09-15 发布日期:2024-08-22
  • 通讯作者: Chuang Li E-mail:chuangli_hit@outlook.com
  • 基金资助:
    We thank Tongtong Zhu for the useful discussion. This work is supported by the Natural Science Foundation of Zhejiang Province (Grant No. LQ22A040010) and the National Natural Science Foundation of China (Grant Nos. 12304545 and 12204434).

Imaging a force field via an optically levitated nanoparticle array

Bihu Lv(吕碧沪)1, Jiandong Zhang(张建东)2, and Chuang Li(李闯)1,†   

  1. 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
  • Received:2024-07-08 Revised:2024-08-02 Accepted:2024-08-06 Online:2024-09-15 Published:2024-08-22
  • Contact: Chuang Li E-mail:chuangli_hit@outlook.com
  • Supported by:
    We thank Tongtong Zhu for the useful discussion. This work is supported by the Natural Science Foundation of Zhejiang Province (Grant No. LQ22A040010) and 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

Abstract: 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.

Key words: optomechanics, levitated nanoparticles, force field detection

中图分类号:  (Micromechanical devices and systems)

  • 07.10.Cm
42.50.Lc (Quantum fluctuations, quantum noise, and quantum jumps) 42.50.Wk (Mechanical effects of light on material media, microstructures and particles) 03.67.-a (Quantum information)