期刊
PHYSICAL REVIEW A
卷 83, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.83.013816
关键词
-
资金
- National Natural Science Foudation of China (NNSFC) [10974225]
- Chinese Academy of Sciences (CAS)
- National Fundamental Research Program of China (NFRPC) [2006CB921203]
We propose an experimental scheme to cool and measure the three-dimensional (3D) motion of an optically trapped nanosphere in a cavity. Driven by three lasers on TEM00, TEM01, and TEM10 modes, a single cavity can cool a trapped nanosphere to the quantum ground states in all three dimensions under the resolved-side band condition. Our scheme can also detect an individual collision between a single molecule and a cooled nanosphere efficiently. Such an ability can be used to measure the mass of molecules and the surface temperature of the nanosphere. We also discuss the heating induced by the intensity fluctuation, the pointing instability, and the phase noise of lasers, and justify the feasibility of our scheme under current experimental conditions.
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