Tunable phonon-atom interaction in a hybrid optomechanical system
Yao Li(李耀)1, Chuang Li(李闯)2,†, Jiandong Zhang(张建东)3, Ying Dong(董莹)2, and Huizhu Hu(胡慧珠)1,2,‡
1 State Key Laboratory of Modern Optical Instrumentation&College of Optical Science and Engineering, Zhejiang University, Hangzhou 310027, China; 2 Research Center for Quantum Sensing, Zhejiang Laboratory, Hangzhou 311121, China; 3 School of Mathematics and Physics, Jiangsu University of Technology, Changzhou 213001, China
Abstract We theoretically analyze a hybrid system consisting of a levitated neutral atom and a nanoparticle coupled to a cavity. The mechanical oscillator and the atom are effectively coupled to each other through the cavity photons as a bus. By adjusting the driving lasers, we can conveniently switch the phonon-atom coupling between Jaynes-Cummings (JC) and anti-JC forms, which can be used to manipulate the motional states of the mechanical oscillator. As an application, we prepare a superposition state of the mechanical oscillator via the effective phonon-atom interaction and investigate the effects of dissipation on the state generation.
Fund: We thank Xiang Lv and Chenrong Liu for their useful discussions. This work is supported by Zhejiang Provincial Natural Science Foundation of China (Grant No. LQ22A040010) and the Major Scientific Research Project of Zhejiang Lab (Grant No. 2019 MB0AD01).
Corresponding Authors:
Chuang Li, Huizhu Hu
E-mail: lic@zhejianglab.com;huhuizhu2000@zju.edu.cn
Cite this article:
Yao Li(李耀), Chuang Li(李闯), Jiandong Zhang(张建东), Ying Dong(董莹), and Huizhu Hu(胡慧珠) Tunable phonon-atom interaction in a hybrid optomechanical system 2023 Chin. Phys. B 32 044213
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